# TCDS A-691: Piper Aircraft Inc.

- Type: Type certificate data sheet
- Status: Current
- Holder: Piper Aircraft Inc.
- Revision: 34
- Revised: March 8, 2011
- Product: Aircraft, Small Airplane
- Registered aircraft: 488, by the registry models matched to it (OpenAirDocs)
- Data sheet PDF: https://openairdocs.org/files/sha256/3c/c1/3cc1964b5bcb96d80e9ddc201c747cb1ed7f8821ed38941e1d33c09082857329
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EC36F12E6E139C5B8625785C006C09C8.0001
- Page: https://openairdocs.org/tcds/A-691

## Models (7)

As the data sheet lists them.

- J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1); L-4H; L-4J (Navy NE-2))
- PA-11
- J3C-40
- PA-11S
- J3C-65S
- J3C-50
- J3C-50S

## What the data sheet says

From the PDF's text layer, line by line; tables lose their columns. The PDF is the record.

```text
Page No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 8 
Rev. No. 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 34
 
DEPARTMENT OF TRANSPORTATION 
FEDERAL AVIATION ADMINISTRATION 
 
A-691 
Revision 34 
Piper Aircraft, Inc 
 J3C-40 
 J3C-50 
 J3C-50S 
 J3C-65 
 J3C-65S 
 PA-11 
 PA-11S 
 
March 8, 2011 
 
AIRCRAFT SPECIFICATION NO. A-691 
 
Type Certificate Holder Piper Aircraft, Inc. 
 2926 Piper Drive 
 Vero Beach, Florida  32960 
 
Typc Certification Holder Record The New Piper Aircraft, Inc transferred TC A-691 to Piper Aircraft, Inc on August 7, 
2006. 
 
I - Model J3C-40, 2 PCLM, Approved July 14, 1938. 
 
Engine Continental A-40-4  (See Item 311A for optional engine) 
 
Fuel 73 minimum octane aviation gasoline 
 
Engine Limits For all operations, 2575 r.p.m.    (40 hp) 
 
 Airspeed Limits (CAS)  Level flight or climb   85 mph (  74 knots) 
  Glide or dive 115 mph (100 knots) 
 
Propeller Limits Maximum permissible diameter 81 inches 
 
C. G. Range (+10.6) to (+22.7) 
 See NOTE 3 for restricted limits on certain Serial Nos. below 4502. 
 
Empty Weight C. G. Range If placard "Solo flying in rear seat only" is installed (See NOTE 2):   (+7.8)  to  (+20.0) 
 
 When empty weight C. G. falls within range  given, computation of critical fore and aft 
C. G. positions is unnecessary.  Range is not valid for non-standard arrangements. 
 
Maximum Weight 1025 lb. 
 
Number of Seats 2 (one at +9 and one at +36) 
 
Maximum Baggage 20 lb.  (+49) 
 
Fuel Capacity 12 gallons  (-18) 
 
Oil Capacity 1 gallon   (-39)

A-691  Page 2 of 21 
I - Model J3C-40    (cont'd) 
Control Surface Movements Elevator 34° Up 29° Down 
 Rudder 30° Left 30° Right 
 Aileron 18° Up 18° Down 
 Stabilizer 2.5° Up 4° Down 
 
Serial Numbers Eligible 2325, 2327, 2339, 2340, 2342, 2344, 2345, 2347, 2349, 2351 and up;  
 2356-A and up; and 8277-1 through 8277-40. 
 
Required Equipment In addition to the pertinent required basic equipment specified in CAR 4a, the following 
items of equipment must be installed: 
 Items 101, 102, 103 and 104(b). 
 
II - Model J3C-50, 2 PCLM, Approved July 14, 1938. 
Same as Model J3C-40 except engine installation. 
 
Engine Continental A-50-1  (See Item 311B for optional engines) 
 
Fuel 73 minimum octane aviation gasoline 
 
Engine Limits For all operations, 1900 r. p.m. (50 hp) 
 
Airspeed Limits  (CAS) Level flight or climb   90 mph (  78 knots) 
 Glide or dive 122 mph (106 knots) 
 
Propeller Limits Maximum permissible diameter 81 inches 
 
C. G. Range (+10.6)   to   (+22.7) 
 See NOTE 3 for restricted limits on certain Serial Nos. below 4502. 
 
Empty Weight C. G. Range If placard "Solo flying in rear seat only" is installed (See NOTE 2):  (+8.1)   to   (+21.1) 
 
 When empty weight C. G. falls within range  given, computation of critical fore and aft 
C. G. positions is unnecessary.  Range is not valid for non-standard arrangements. 
 
Maximum Weight 1100 lb. 
 
Number of Seats 2 (one at +9 and one at +36) 
 
Maximum Baggage 20 lb. (+49) 
 
Fuel Capacity 12 gallons (-18) 
 
Oil Capacity 1 gallon (-29) 
 
Control Surface Movements Elevator 34° Up 29° Down 
 Rudder 30° Left 30° Right 
 Aileron 18° Up 18° Down 
 Stabilizer 2.5° Up 4° Down 
 
Serial Numbers Eligible 2325, 2327, 2339, 2340, 2342, 2344, 2345,  2347, 2349, 2350, 2351, and up;  
 2356-A and up; and 8277-1 through 8277-40. 
 
Required Equipment In addition to the pertinent required basic equipment specified in CAR 4a, the following 
items of equipment must be installed: 
 Items 101, 103 and 104(a).

Page 3 of 21 A-691 
 
III - Model J3C-50S, 2 PCSM, Approved July 14, 1938. 
Same as Model J3C-50 except landing gear. 
 
Engine Continental A-50-1   (See Item 311B for optional engines) 
 
Fuel 73 minimum octane aviation gasoline 
 
Engine Limits For all operations, 1900 r.p.m.  (50 hp) 
 
Airspeed Limits   (CAS) Level flight or climb   90 mph (  78 knots) 
  Glide or dive 122 mph (106 knots) 
 
Propeller Limits With Edo floats:  Maximum pe rmissible diameter - 76 inches 
 With McKinley floats: Static r.p.m. at maximum permissible throttle setting: 
       Not over 1900, not under 1725. 
       No additional tolerance permitted 
      Diameter:  Not over 83 inches, not under 73 inches. 
 
C. G. Range (+10.6) to (+19.7)  with Edo floats 
 (+13.7) to (+19.7)  with McKinley floats. 
 See NOTE 3 for restricted limits on certain Serial Nos. below 4502. 
 
Empty Weight C. G. Range If placard "Solo flying in rear seat only" is installed (See NOTE 2): 
 (+8.3) to (+16.8)  with Edo floats 
 (+13.2) to (+18.7)  with McKinley floats 
 When empty weight C. G. falls within range  given, computation of critical fore and aft 
C. G. positions is unnecessary.  Range is not valid for non-standard arrangements. 
 
Maximum Weight 1160 lb. with Edo floats 
 1130 lb. with McKinley floats 
 
Number of Seats 2 (one at +9 and one at +36) 
 
Maximum Baggage 20 lb. (+49) 
 
Fuel Capacity 12 gallons (-18) 
 
Oil Capacity 1 gallon (-29) 
 
Control Surface Movements Elevator 34° Up 29° Down
 Rudder 30° Left 30° Right 
 Aileron 18° Up 18° Down
 Stabilizer 2.5° Up 4° Down
 
Serial Numbers Eligible 2325, 2327, 2339, 2340, 2342, 2344, 2345,  2347, 2349, 2351, 2355 and up;  
 2356-A and up; and 8277-1 through 8277-40. 
 
Required Equipment In addition to the pertinent required basic equipment specified in CAR 4a, the following 
items of equipment must be installed: 
 Items 101, 104(a) and 151. 
 
IV. - Model J3C-65 (Army L-4, L-4A, L-4B (Navy NE-1), L-4H, L-4J (Navy NE-2)), 2 POLM, Approved July 6, 1939. 
See NOTE 7 regarding conversion to 2 PCLM. 
Army L-4 (previously Army 0-59) is the same as Model J3C-65.  Army L-4A (previously Army 0-59A) and Army L-4B 
are the same as Model J3C-65 except for transparent turtledeck enclosure, revised rear seat with seat back belts, addition of  
rear shelf and rear floorboard.  Army L-4H is same as L-4A except for G. F. radio equipment and revised method of  
installing the transparent cockpit enclosure.  Army L-4J  (Navy NE-2) same as any L-4, L-4A, L-4B and L-4H except for  
installation of propeller, Item 1.

A-691  Page 4 of 21 
IV. - Model J3C-65, L-4H, L-4J   (cont'd) 
Engine Continental A-65-1    (See Item 311C for optional engines) 
 
Fuel 73 minimum octane aviation gasoline 
 
Engine limits For all operations, 2350 r.p.m. (65 hp) 
 
Airspeed Limits   (CAS) Level flight or climb   90 mph (  78 knots) 
 Glide or dive 122 mph (106 knots) 
 
Propeller Limits Static r.p.m. at maximum permissible thro ttle setting (No additional tolerance permitted): 
 (a) With A-65-1 engine:   Not over 2300, not under 2000. 
 (b) With optional engines (Item 311C) and propeller Item 2 or 101: 
   Not over 2300, not under 1950. 
 Diameter: Not over 81 inches, not under 69.7 inches (with fixed pitch wood propeller). 
    Not over 74 inches, not under 72 inches (with propeller Item 2). 
 
C. G. Range (+10.6) to (+22.7) 
 See NOTE 3 for restricted limits on certain Serial Nos. below 4502. 
 
Empty Weight C. G. Range If placard "Solo flying in rear seat only" is installed (See NOTE 2): 
 (+8.5) to (+20.3) 
 When empty weight C. G. falls within range  given, computation of critical fore and aft 
C. G. positions is unnecessary.  Range is not valid for non-standard arrangements. 
 
Maximum Weight Serial Nos. 7842, 7845 through 7883, and 7912 and up are eligible for 1170 lb. maximum 
weight.  These airplanes are also eligible for 1220 lb. maximum weight provided the 
landing gear is revised in accordance with Piper Dwgs. 31472 and 31423. 
 Serial Nos. prior to 7912, and not listed a bove, are eligible for 1100 lb. maximum weight.  
These airplanes are also eligible for 1170 lb. maximum weight provided the lift 
struts and attachments are revised in accordance with Piper Dwgs. No. 12352, 
13233 and 21642 and for further increase to 1220 lb. upon revision of the landing 
gear in accordance with Piper Dwgs. No. 31472 and 31423. 
 Serial Nos. 10339 and up and 2356-A and up of Model J3C-65 eligible for 1220 lb. 
maximum weight. 
 
Number of Seats 2 (one at +9 and one at +36) 
 
Maximum Baggage 20 lb. (+49) 
 
Fuel Capacity 12 gallons (-18) 
 
Oil Capacity 1 gallon  (-29) 
 
Control Surface Movements Elevator 34° Up 29° Down 
 Rudder 30° Left 30° Right 
 Aileron 18° Up 18° Down 
 Stabilizer 2.5° Up 4° Down 
 
Serial Numbers Eligible 2325, 2327, 2339, 2340, 2342, 2344, 2345,  2347, 2349, 2351, 2355 and up;  
 2356-A and up; and 8277-1 through 8277-40. 
 
Required Equipment In addition to the pertinent required basic equipment specified in CAR 4a, the following 
items of equipment must be installed: 
 Items 101, 102, 103 and 104(a).

Page 5 of 21 A-691 
 
V - Model J3C-65S, 2 PCSM, Approved May 27, 1940. 
Same as J3C-65 except landing gear. 
 
Engine Continental A-65-1     (See Item 311C for optional engines) 
 
Fuel 73 minimum octane aviation gasoline 
 
Engine Limits For all operations, 2350 r.p.m.    (65 hp) 
 
Airspeed Limits   (CAS) Level flight or climb   90 mph (  78 knots) 
  Glide or dive 122 mph (106 knots) 
 
Propeller Limits Static r.p.m. at maximum permissible thro ttle setting (No additional tolerance permitted): 
 With Edo floats  (Items 151, 206 or 208): 
  1. With A-65-1 engine (N ot eligible with Item 208): 
    Not over 2300, not under 2000. 
  2. With optional engines (Item 311C) and Item 2 or 101: 
    Not over 2250, not under 1930. 
 With McKinley floats: 
  1. With A-65-1 engine: 
    Not over 2300, not under 2100. 
  2. With optional engines (Item 311C) and Item 2 or 101: 
    Not over 2250, not under 2050. 
 With Wollam floats: 
  1. With optional engines (Item 311C) and Item 2 or  
   101 and 1200 lb. maximum weight: 
    Not over 2250, not under 2050. 
  2. With A-65-1 engine and 1300 lb. maximum weight: 
    Not over 2300, not under 2050. 
  3. With optional engines (Item 311C) and Item 2 
   or 101 and 1300 lb. maximum weight: 
    Not over 2300, not under 2000. 
 With Heath floats: 
  1. With A-65-1 engine or any engi ne of Item 311C and Item 2 or 101: 
     Not over 2300, not under 2100. 
 Diameter: 
  With Edo, McKinley, Wollam and Heath fl oats, with any engine of Item 311C and 
 Item 2 propeller: 
   Not over 74 inches, not under 72 inches. 
  With Edo floats (at maximum weight up to 1200 lb.) and McKinley floats, with  
  A 65-1 or any Item 311C engine and Item 101 propeller: 
   Not over 76 inches, not under 69.7 inches. 
  With Wollam and Heath floats, with A- 65-1 or any Item 311C engine, and Item 
 101 propeller: 
   Not over 72 inches, not under 70 inches. 
  With Edo 60-1320 or 92-1400 floats at 1300 lb. maximum weight with A-65-1 or  
  any Item 311C engine and Item 2 or 101 propeller: 
   Not over 76 inches, not under 70 inches. 
 
C. G. Range See NOTE 3 for restricted limits on certain Serial Nos. below 4502. 
 (+10.6) to (+19.7) with Edo fl oats and 1200 lb. maximum weight 
 (+13.7) to (+19.7) with McKinley floats 
 (+10.6) to (+19.7) with Wollam floats and 1200 lb. maximum weight 
 (+10.2) to (+17.1) with Heath floats 
 (+10.6) to (+19.0) with Edo 60-1320 or Wollam 1200 floats and 
    1300 lb. maximum weight 
 (+10.6) to (+18.4) with Edo 92-1400 floats and 1100 lb. maximum 
    weight or less 
 (+12.0) to (+17.0) with Edo 92-1400 floats and 1300 lb. maximum weight

A-691  Page 6 of 21 
Empty Weight C. G. Range If placard "Solo flying in rear seat only" is installed (See NOTE 2): 
 (+8.4) to (+17.4) with Edo fl oats and 1200 lb. maximum weight 
 (+13.2) to (+17.3) with McKinley  floats and 1160 lb. maximum weight 
 (+8.4) to (+17.4) with Wollam floats and 1200 lb. maximum weight 
 (+7.8) to (+14.0) with Heath floats and 1200 lb. maximum weight 
 (+8.7) to (+16.8) with Edo 60-1320 or Wollam 1200 floats and 
    1300 maximum weight 
 (+8.1) to (+15.3) with Edo 92-1400 floats and 1100 lb. maximum weight 
 (+10.8) to (+14.3) with Edo 92-1400 floats and 1300 lb. maximum  
 When empty weight C. G. falls within per tinent range, computation of critical fore and 
aft C. G. positions is unnecessary.  Range is not valid for non-standard arrangements. 
 
Maximum Weight 1160 lb. with McKinley floats 
 1200 lb. with Edo, Wollam or Heath floats 
 1300 lb. with Edo 60-1320, Edo 92-1400 or Wollam 1200 floats 
 
Number of Seats 2 (one at +9 and one at +36) 
 
Maximum Baggage 20 lb. (+49) 
 
Fuel Capacity 12 gallons (-18) 
 
Oil Capacity 1 gallon  (-29) 
 
Control Surface Movements Elevator 34° Up 29° Down 
 Rudder 30° Left 30° Right 
 Aileron 18° Up 18° Down 
 Stabilizer 2.5° Up 4° Down 
 
Serial Numbers Eligible 2325, 2327, 2339, 2340, 2342, 2344, 2345,  2347, 2349, 2351, 2355 and up;  
 2356-A, and up; and 8277-1 through 8277-40. 
 
Required Equipment In addition to the pertinent required basic equipment specified in CAR 4a, the following 
items of equipment must be installed: 
 Items 101, 104(a) and 151. 
 
VI - Model PA-11, 2 PCLM, Approved April 30, 1947.   See NOTE 7 regarding conversion to 2 POLM. 
Model PA-11 is generally similar to the J3C-65 except vertical location of engine mount, cowling, forward fuselage structure, 
types of seats, fuel system (including gas tank location), lift struts, required equipment, and eligibility of certain equipment 
items, as listed.  Elevator bungee (Piper Drawing number 80352) must be installed in order that the aircraft conform to the 
pertinent flight requirements. 
 
Engine Continental A-65-8F (See Item  311D for optional engines) 
 
Fuel 73 min. octane aviation gasoline 
 80 min. octane aviation gasoline with Item  311D(3) when it is approved for use as 75 hp 
engine in this model aircraft.  Also required with Items 311D(4) and 311D(5). 
 
Engine Limits For all operations, 2300 r.p.m.  (65 hp) 
 
Airspeed Limits Level flight or climb   90 mph   (78 knots) 
(CAS) Glide or dive 122 mph (106 knots) 
 
Propeller Limits Static r.p.m. at maximum permissible throttle setting: 
  Not over 2300, not under 1950.  No additional tolerance permitted. 
  (Same limits for Items 311D(1), 311D(2) and 311D(3).) 
 Diameter: Not over 72 inches, not under 70 inches.

Page 7 of 21 A-691 
 
 
C. G. Range (+12.9) to (+22.0) or 
 (+12.9) to (+20.0) when Item 311D(4) or 311D(5) is installed. 
 
Empty Weight C. G. Range (+13.8) to (+18.3) or 
 (+13.8) to (+15.5) when Item 311D(4) or 311D(5) is installed. 
 Both ranges valid for solo from either seat. 
 When empty weight C. G. falls within per tinent range, computation of critical fore and 
aft C. G. positions is unnecessary.  Ranges are not valid for non-standard arrangements. 
 
Maximum Weight 1220 lb. 
 
Number of Seats 2 (one at +9 and one at +36) 
 
Maximum Baggage 20 lb.  (+55) 
 
Fuel Capacity 17 gallons  (wing tank)  (+24) 
 
Oil Capacity 1 gallon (-33.5) 
 
Control Surface Movements Elevator 34° Up 29° Down 
 Rudder 30° Left 30° Right 
 Aileron 18° Up 18° Down 
 Stabilizer 2.5° Up 4° Down 
 
Serial Nos. Eligible 11-1 and up. 
 
Required Equipment In addition to the pertinent required basic equipment specified in CAR 4a, the following 
items of equipment must be installed: 
  Item 101, 304(d), and 305(c). 
 
VII - Model PA-11S, 2 PCSM, Approved September 11, 1947. 
Same as PA-11 except for landing gear and seaplane finish in accordance with Piper Specification No. 10, or equivalent. 
 
Engine Continental A-56-8F (See Item  311D for optional engines) 
 
Fuel 80 minimum octane aviation gasoline 
 
Engine Limits For all operations, 2300 r.p.m. (65 hp) 
 
Airspeed Limits Level flight or climb    90 mph  (78 knots) 
     (CAS) Glide or dive   122 mph  (106 knots) 
 
Propeller Limits Static r.p.m. at maximum permissible throttle setting: 
  Not over 2250, not under 2050.  No additional tolerance permitted. 
 Diameter: Not over 72 inches, not under 70.5 inches. 
 
C. G. Range (+12.9) to (+20.0) 
 
Empty Weight C. G. Range (+13.7) to (+16.1)  solo from either seat. 
 When empty weight C. G. falls within this  range, computation of critical fore and aft 
C. G. positions is unnecessary.  Range is not valid for non-standard arrangements. 
 
Maximum Weight 1350 lb. 
 
Number of Seats 2 (one at +9 and one at +36) 
 
Maximum Baggage 20 lb. (+55)

A-691  Page 8 of 21 
VII - Model PA-11S    (cont'd) 
Fuel Capacity 17 gallons  (wing tank) (+24) 
 
Oil Capacity 1 gallon (-33.5) 
 
Control Surface Movements Elevator 34° Up 29° Down 
 Rudder 30° Left 30° Right 
 Aileron 18° Up 18° Down 
 Stabilizer 2.5° Up 4° Down 
 
Serial Nos. Eligible 11-1 and up. 
 
Required Equipment In addition to the pertinent required basic equipment specified in CAR 4a, the following 
items of equipment must be installed: 
  Items 101, 206 or 209. 
 
SPECIFICATIONS PERTINENT TO ALL MODELS 
 
Datum Wing leading edge. 
 
Leveling Means Top longeron between front and rear seats. 
 
Certification Basis Type Certificate No. 691  (CAR 4a). 
 
Production Basis Approved for manufacture of spare part s only under Production Certificate No. 206. 
 
Export Limitations None. 
 
Equipment A plus (+) or minus (-) sign preceding the weight of an  item indicates net weight change when that item is 
installed. 
 
 Approval for the installation of all items of equipm ent listed herein has been obtained by the aircraft 
manufacturer except those items preceded by an asterisk (*).  The asterisk denotes that approval has been 
obtained by someone other than the aircraft manufacturer.  An item marked with an asterisk may not have 
been manufactured under a FAA monitored or approved quality control system, and therefore attention 
should be paid to workmanship and conformity with pertinent data called for in this specification. 
 
Propellers and Propeller Accessories 
 1. Propeller - Beech (Roby) R-002-205 blades  +15 lb.  (-51) 
    Eligible on Models J3C-65 (L-4J - See NOTE 5) and J3C-65S 
  (a) Pitch setting at 27 in. station:  Low 13°, High 18.5°  
   with Items 311C(1), (2) or (3) engines 
  (b) Pitch setting at 27 in. station:  Low 9.5°, High 16.5°  
   with Item 311C(5) engines 
 
 2. Propeller - McCauley 1A90CF or 1B90CM  +26 lb.  (-51) 
    Eligible with Item 311C (1 through 6) or Item 311D (1 through 3) engine  
  Limits: 
  Static r.p.m. at maximum permissible throttle setting: 
  (a) Landplane and skiplane: 
   Not over 2250, not under 1950. 
   No additional tolerance permitted. 
  (b) Seaplane: 
   Not over 2250, not under 2050. 
   No additional tolerance permitted. 
  Diameter:  Not over 74 inches, not under 72.5 inches

Page 9 of 21 A-691 
 
Propellers and Propeller Accessories (cont.) 
 3. Propeller - McCauley 1A90CF or 1B90CM.   Eligible  with Item 311D(4) or 311C(9) engine +21 lb.  (-53) 
  Static r.p.m. at maximum permissible throttle setting: 
   Not over 2550, not under 1950. 
   No additional tolerance permitted. 
  Diameter:  Not over 71 inches, not under 68.5 inches. 
 
 4. Propeller - Hartzell ground adjustable hub HA12U, blades 7414 to 6814 or 7214M to 6814M. +18 lb.  (-51) 
  Eligible on all models and all engines at diam eter and static r.p.m. limits shown on specification 
  for fixed pitch wood propellers.  Where no limits are specified use those of the propeller being  
  replaced. 
  NOTE:  7414 blades not eligible on Item 311C(5) for takeoff rating or on Item 311C(8). 
 
 5. Propeller - McCauley 1B90 or 1A90.   +21 lb.  (-53) 
  Eligible with Item 311C( 10) and Item 311D(5) engines. 
 
 6. Propeller - McCauley 1A90 to 1B90.   +21 lb.  (-53) 
  Eligible with Item 311C(7), 311C (8), 311C(10) or 311D(5) engines. 
 
 7. Propeller - Koppers F200/00-73E   +30 lb.  (-51) 
  Eligible with Item 311D(5) engine on landplane or seaplane. 
  Parts List Assembly No 4348. 
  Low pitch setting 12.5° measured at 24 in. station. 
  Static r.p.m. at maximum permissible throttle setting: 
   Not over 2425, not under 2375. 
   No additional tolerance permitted. 
  Diameter:  Not over 73 inches, not under 71.5 inches. 
  Installation and operation must be accomplished in accordance with Koppers'  
  "Installation Procedure and Operating Limitation" No. 33. 
 
 8. Propeller - Koppers F200/00-72D   +30 lb.  (-51) 
  Eligible with Item 311C(9) or 311D(4 ) engine on landplane or skiplane only. 
  Parts List Assembly No. 4369. 
  Low pitch setting 12.7° measured at 24 in. station. 
  Static r.p.m. at maximum permissible throttle setting: 
   Not over 2525, not under 2475. 
   No additional tolerance permitted. 
  Diameter:  Not over 72 inches, not under 70.5 inches. 
  Installation and operation must be accomplis hed in accordance with Koppers' "Installation  
    Procedure and Operating Limitation" No. 29. 
 
 9. Propeller - Sensenich fixed pitch metal model M76AK-2. +24 lb.  (-53) 
  Eligible with Items 311D(5) and 311C(9) engines only. 
  Static r.p.m. at maximum permissible throttle setting: 
   No additional tolerance permitted. 
   Item 311D(5):  Not over 2425, not under 1950. 
   Item 311C(9):  Not over 2550, not under 1950. 
  Diameter:  Not over 74 inches, not under 72.5 inches. 
 
 10. Propeller - Sensenich fixed pitch metal model M76AM-2. +24 lb.  (-53) 
  Eligible with Item 311D(6) engine only. 
  Diameter:  Not over 74 inches, not under 72.5 inches. 
 
 11. Propeller - McCauley fixed pitch metal model 1C90-LM7249. +23 lb.  (-53) 
  Eligible with Item 311D(6) engine only. 
  Diameter:  Not over 72 inches, not under 70.5 inches.

A-691  Page 10 of 21 
Propeller and Propeller Accessories (cont.) 
 12. Propeller - Sensenich fixed pitc h metal model M74CK +21 lb.  (-53) 
    Eligible with Items 311C(1) through 311C(6) engines only 
  Static r.p.m. at maximum permissible throttle setting: 
   Landplane and skiplane only: 
    Not over 2250, not under 2050. 
   Seaplane only: 
    Not over 2250, not under 2100. 
   No additional tolerance permitted. 
  Diameter:  Not over 74 inches, not under 72.5 inches. 
 
 13. Propeller - Sensenich fixed pitch metal model M74CK-2. +21 lb.  (-51) 
  Eligible with Item 311C(8) engine only. 
  Static r.p.m. at maximum permissible throttle setting: 
   Not over 2440, not under 2340. 
   No additional tolerance permitted. 
  Diameter:  Not over 72 inches, not under 70 inches. 
 
 101. Propeller - Wood (fixed or adjustable pitch).  +9 lb.  (-51) 
 
Engines and Engine Accessories - Fuel and Oil System 
No aircraft of these models shall be eligible for original certification with single ignition engines after August 1, 1941.  In 
addition, no aircraft of these models shall be eligible for recertification with single ignition engines unless such aircraft was 
either previously certificated with single ignition engines or was originally certificated prior to August 1, 1941. 
 
 104. Carburetor air heater: 
  (a) D78C (for Models J3C-50, J3C-50S , J3C-65 and J3C-65S) +2 lb.    (-39) 
  (b) J2-A902 (for Model J3C-40)    +2 lb.    (-39) 
 
 105. Carburetor air intake and filter (Continental A 5810) (for Models J3C-65 and J3C-65S) +3 lb.    (-44) 
 
 106. Carburetor air scoop and air filter (Ski nner Purifiers, Inc. +3 lb.     (-43) 
  Model S-300-A scoop and F-300 filter) (for Models J3C-65 and J3C-65S) 
 
 107. Starter and controls:  McDowell Ma nufacturing Company +11 lb.    (-33) 
  (Installation Dwg. No. 26)   (for A-65 and A-75 engines only) 
 
 108. Alternate fuel gauge (Scott Model A-22P)  +0.5 lb.  (-18) 
  (Installed in accordance with Scott Bulletin No. I-136) 
 
 109. Oil filter, Fram PB-5 
  (a) Kit No. K-510, Fram Installation Dwg. No. 61542   
   (Models J3C-50 and J3C-50S)   +5 lb.  (-22.5) 
   (Models J3C-65 and J3C-65S)   +5 lb.  (-27) 
 
  (b) Kit No. 510, Fram Installation Dwg. No. 61624 +5 lb.  (-28) 
   (PA-11 with Continental A-65 engine) 
 
 *110. Caulkins Model I, Mark II muffl ers and Model I,   -12 lb.  (-39) 
  Mark I carburetor heat system eligible on M odels J3C-65 and J3C-65S with Continental A-65  
  series engine when installed in accordance with Caulkins Instructions and Kit No. 1  
  dated June 9, 1949. 
 
 *111. Auxiliary Fuel Tank (6 gallon capacity)   +6 lb.  (+24) 
  (a) Installed in accordance with Kit and Dwg. No. P-18 supplied by J. J. Villnave,  
     5607 Virginia, Kansas City, Missouri. 
   (Eligible only on Model J3C-65 with metal spars.) 
  (b) Installed in accordance with Kit and Dwg. Nos. P-18 and P-19 supplied by  
     J. J. Villnave, 5607 Vi rginia, Kansas City, Missouri. 
   (Eligible on land and seaplanes with wood spars.)

Page 11 of 21 A-691 
 
Engines and Engine Accessories - Fuel and Oil System (cont.) 
 302. Heater: 
  (a) Carburetor air, Model D723C  (for Models J3C-50, J3C-50S, J3C-65, and J3C-65S) +1 lb.  (-39) 
  (b) Cabin and carburetor, Model D743-C  (for Models J3C-50, J3C-50S, J3C-65, and J3C-65S) +1 lb.  (-39) 
  (c) Cabin and carburetor, Model J2-A929  (for Model J3C-40) +1 lb.  (-39) 
 
 308. Alternate fuel tank    (9 gallons)   Use actual weight change 
 
 311. Engine (Continental unless otherwise noted)   (-39) 
  (See Engine Spec. Nos. 72, 180, 205, 233) 
 
  A. Model J3C-40: 
   (1) A-40-5      +12 lb. 
 
  B. Models J3C-50 and J3C-50S: 
   (1) A-50-2      +6 lb. 
   (2) A-50-3 or A-50-8    +10 lb. 
   (3) A-50-4      +3 lb. 
   (4) A-50-5 or A-50-9    +13 lb. 
   (5) A-50-6  `    +16 lb. 
   (6) A-50-7    No weight change 
 
  C. Models J3C-65 and J3C-65S: 
   (1) A-65-3 or A-65-8    +10 lb. 
    Engine Limits:  All operations, 2300 r.p.m.  (65 hp) 
 
   (2) A-65-6 or A-65-9 
    Engine Limits:  All operations, 2300 r.p.m.  (65 hp) +13 lb. 
 
   (3) A-65-7      No weight change 
 
   (4) A-65-14 (with Item 2 or 101 propeller)  Use actual weight change 
    Engine Limits:  All operations, 2300 r.p.m.   (65 hp) 
 
   (5) A-65-14 (with Item 1B propeller)  Use actual weight change 
    Engine Limits: 
        Takeoff (one minute), 2675 r.p.m.   (75 hp), 29 in. Hg. 
        All other operations, 2300 r.p.m.   (65 hp), 29 in. Hg. 
 
   (6) A-65-8F      +8 lb. 
    Engine Limits:  All operations, 2300 r.p.m.  (65 hp) 
 
   (7) C-75-8 or C-75-12    Use actual weight change 
    (with Item 6 or 101 propeller) 
    Engine Limits:  For all operations, 2275 r.p.m.  (75 hp) 
    Propeller Limits: 
    Static r.p.m. at maximum permissible throttle setting: 
     Not over 2100, not under 2000. 
     No additional tolerance permitted. 
    Diameter:   Not over 74 inches, not under 72.5 inches. 
   NOTE: The installation of Item 311C(7) or Item 311C(8) engine is satisfactory  
     only if no changes are made to  structure, engine mount, engine  
     cowl, carburetor heater, exhaust stacks, fuel systems, etc.  Any  
     alterations or substitutions  are subject to special approval.

A-691  Page 12 of 21 
Engines and Engine Accessories - Fuel and Oil System (cont.) 
311.  C. (8) A-75-8-9   (land and s eaplane)  Use actual weight change 
    (See NOTE above regarding installation changes.) 
    Engine Limits:  For all operations, 2600 r.p.m.     (75 hp) 
    Propeller Limits: 
    Static r.p.m. at maximum permissible throttle setting: 
     Not over 2425, not under 1950 (with Items 101 and 6). 
     No additional tolerance permitted. 
    Diameter:   Not over 70 inches , not under 68.5 inches (Items 101 and 6). 
 
   (9) C-85-8 or C-85-12   (landplane skipla ne and seaplane) Use actual weight change 
    Engine Limits: Takeoff,   2575 r.p.m.  (85 hp) 
       All other operations,  2525 r.p.m.  (80 hp) 
    Fuel:    80 minimum octane aviation gasoline 
    Oil capacity:  4½ qts. 
    Propeller Limits: 
    (a) with Item 101 propeller: 
     Static r.p.m. at maximum permissible throttle setting: 
      Not over 2350, not under 1950. 
      No additional tolerance permitted. 
     Diameter:  not over 72 inches, not under 70 inches. 
    (b) Item 3, 4 and 8 propellers as specified: 
    NOTE: C-85 engine installation may be accomplished using original engine  
      installation components or in accordance with Kit and Dwg. P4-400 by  
      Ong Aircraft Corporation, P.O. Box 214, Kansas City, Missouri. 
 
   (10) C-90-8F (landplane, skiplane and seaplane) Use actual weight change 
    Engine Limits:  Takeoff, 2475 r.p.m.    (90 hp) 
        All other operations, 2375 r.p.m.    (80 hp) 
    Fuel: 80 minimum octane aviation gasoline 
    Oil Capacity 5 qts. 
    Propeller Limits: 
     Static r.p.m. (with Item 101, 5 or 6 propellers) at maximum permissible throttle setting: 
      Not over 2300; not under 1950 for land a nd skiplane, and and not under 2100 for seaplane. 
      No additional tolerance permitted. 
    Diameter: 
    (a) With Item 5 or 6 propellers: 
     Not over 71 inches, not under 69.5 inches. 
    (b) With Item 101 propeller: 
     Not over 76 inches, not under 70 inches. 
    Carburetor heat system must be m odified to provide required heat rise.   
    Approved modification made by M. Mullis, York, South Carolina. 
 
  D. Model PA-11: 
   (1) A-65-3 of A-65-8 
    Engine Limits:  All operations, 2300 r.p.m.     (65 hp) -1 lb.  (-40) 
   (2) A-65-6 or A-65-9 
    Engine Limits:  (same as Item 311D(1)) +2 lb.  (-40) 
   (3) A-65-14 
    Engine Limits:  (same as Item 311D(1)) +12 lb.  (-40) 
   (4) C-85-8FJ or C-85-12 with Item 101, 3 or 8 propeller  Use actual weight and arm 
    Eligible on landplane only. 
    Engine Limits:  All operations, 2575 r.p.m.  (85 hp.) 
    Propeller Limits (with Item 101 propeller): 
     Static r.p.m. at maximum permissible throttle setting: 
      Not over 2350, not under 1950. 
      No additional tolerance permitted. 
    Diameter:   Not over 72 inches, not under 70 inches. 
   NOTE: C-85-8FJ engine should be inst alled in accordance with or equivalent  
     to Piper Dwg. No. SK-192.  Because fuel valve is not accessible from rear  
     seat, rear cockpit must be placarded:  "Solo flying from front seat only"

Page 13 of 21 A-691 
 
Engines and Engine Accessories - Fuel and Oil System (cont.) 
311.  D. (5) C-90-8F (with propeller Item 5, 6, 7, 9, or 101) Use actual weight change 
  (Bendix-Stromberg carburetor, Continental Part No. 530726 and engine  
  cooling baffles per Piper Dwg. 11258 Cha nge E are required with this engine.) 
   Engine Limits:   All operations, 2475 r.p.m.  (90 hp) 
   Propeller Limits: 
    Static r.p.m. at maximum permissible throttle setting: 
     Not over 2350, not under 1950 for landplane and not under 2050 for seaplane.   
     No additional tolerance permitted. 
   Diameter: (with Item 5 propeller) not  over  71 inches, not under 69.5 inches. 
     (with Item 101 propeller) not  over 76 inches, not under 70 inches. 
 
   (6) Lycoming O-235-C     Use actual weight and arm 
    Eligible on landplane only and when installed in accordance with Piper Dwg. No 12447. 
    Engine Limits:  All operations, 2600 r.p.m.  (100 hp) 
    Fuel:  80 minimum octane aviation gasoline. 
    Oil Capacity:   6 qts.   (-31) 
    Propeller Limits:  (with propeller, Item 10 or 11 only) 
     Static r.p.m. at maximum permissible throttle setting: 
      Not over 2450, not under 2250. 
      No additional tolerance permitted. 
    C. G. Range:  (+12.9) to (+17.3) 
    Aircraft weight and balance s hould be checked to determine need for 
     11¼ lb. ballast at (+179) or limitation to solo from rear seat only. 
    Placard required in full view of pilot:  "All acrobatics, including spins, prohibited." 
 
 312. Revised engine mount (Dwg. D71112- C, Change E) No weight change 
  for engines incorporating integral rubber bushings. 
 
 313. Muffler and heater installation.    +3 lb.  (-39) 
 
Landing Gear and Floats 
(Note: The listed floats are eligible onl y on those models whose designation ends with "S", unless otherwise indicated.) 
 
 102. 8.00-4 wheels (Goodrich 840) with tires   +20 lb. (+3) 
 
 103. Tail skid       +4 lb.  (+190) 
 
 151. Edo 54-1140 floats with water rudder (147 lb.)  +106 lb.  (+18) 
 
 201. McKinley pneumatic PF-2 floats  (118 lb.)  +77 lb.  (+18) 
  Placard float inflation pressure: 
  Minimum operating intern al pressure:  1.25 psi 
  Maximum operating intern al pressure:  1.75 psi 
  Recommended operating internal pressure: 1.50 psi 
 
 203. Dual brake installation (Dwg. D 4101-C)    Use actual weight change 
 
 204. Heath Model 1460A float installation (Model J3C-56S only)   (166 lb.)  +121 lb.  (+14) 
  Bungee must be installed in the elev ator control system per Piper Dwg. 80352. 
 
 205. Scott Aviation Corporation Model B-711 br ake pressure unit Neglect weight change 
 
 206. Edo 60-1320 floats with water rudders   (171 lb.)   +130 lb.  (+17) 
  (Maximum seaplane wei ght 1200 lb. for all models 
  except J3C-65S and PA-11S only 1300 lb.). 
 
 207. Scott Model 4200 -B1 hydraulic parki ng brake valve  Neglect weight change 
  (see Scott Bulletin No. 1-116, Parking Brake Installation Instructions) 
  (Not eligible on Model PA-11)

A-691  Page 14 of 21 
Landing Gear and Floats (cont.) 
 208. Edo 92-1400 floats with water rudder (Model J3C-65S only)  +118 lb.  (+1) 
  Bungee must be installed in the elevator control system  
  per Piper Dwg. 80352. 
 
 209. Edo 92-1400 floats   (Model PA-11S only)   +115 lb.  (+9) 
  Note: When these floats are insta lled, revised engine cooling baffles  
   in accordance with Piper Dwg. 11258 must be installed on airplanes  
   Serial Nos. 11-1 through 11-1391, excep t Serial Nos. 11-233, 11-243, 11-248, 11-260, 
   11-261, 11-266, 11-288, 11-290, 11-300 through 11-1353, 11-1389, and 11-1390.   
   Serial Nos. 11-1392 and up incorporate these baffles. 
 
 210. One nose wheel, 5.00-4, Type III, Fi restone Model 5C2M-1,  +8 lb.  (-31) 
  with 5.00-4 4-ply rating tire and tube .  (Use with Testerman Tricycle-Type 
  Landing Gear, Item 211) 
 
 *211. Tricycle landing gear - Testerman Model SPM -1(Models J3C-65 and PA-11) +17 lb.  (-29.5) 
  Install in accordance with St ewart-Pearce Company, Tulsa, Oklahoma, Dwg. Nos. SPD-1-1  
  through SPD-1-15 and Installation Manual (Re port No. SPR-6) dated July 9, 1949.  Placard  
  all airplanes "SOLO FROM REAR SE AT" and restrict C. G. range to: 
   Model J3C-65: (+11.2) to (+18.3) 
   Model PA-11: (+12.9) to (+20) 
  New weight change for SPM-1 inst allation (including Items 210 and 305(c)). 
 
 *212. Scott parking brake installati on     Neglect weight change 
  (Scott Aviation Corporation, Lancaster, New York,  
  Kit No. 2715-AK installed in accord ance with their Bulletin No. I-169). 
 
 *213. LCN shock strut in accordance with LCN Corporation +7 lb.  (+3) 
  Dwg. 11000 and kit installation instructions.  
  Each shock strut must be identified with the symbol "FAA-PMA". 
 
 *214. Consolidair Model 17 wheel fenders in stalled in accordance with +9 lb.  (+3) 
  Dwg. 0041 per Consolidair Inc., Alliance, Ohio. 
 
 *215. Tandem Gear Model GW-100 installed in accordance with +46 lb.  (+3) 
  with A. W. Whitaker, 5001 N.E.  Union Avenue, Portland, Oregon, 
  Dwg. T-10 and Installation Inst ructions dated June 8, 1949. 
 
 216. Shock strut - cord and hydraulic type, Piper P/N 12843, +4 lb.  (+3) 
  installed per Piper Dwg. 10534. 
 
 304. Tail wheels 
       Models J3C-40,   
       J3C-50, J3C-65  Model PA-11  
  (a) 6x2.00 steerable, Aircraft Associates +3 lb.   (+197) -1 lb.   (+197) 
  (b) 6x2.00 steerable, Scott Model CST-12 +3 lb.   (+197) -1 lb.   (+197) 
  (c) 6x2.00 steerable, Scott Model 3-21 +5 lb.   (+197) +1 lb.  (+197) 
  (d) 6x2.00 steerable, Scott Model 3000 +4 lb.   (+197) Req.    (+197) 
  (e) 6x2.50 steerable full-swivel  
   Maule Model SFS-14 +2 lb.   (+197) -2 lb.   (+197) 
  (f) 6x2.50 steerable, straight,  
   Maule Model SS-12 +2 lb.   (+197) -2 lb.   (+197) 
  (g) 6x2.50 steerable automatic full-swivel, 
   Maule Model SAFS-14 +2 lb.   (+197) -2 lb.   (+197) 
  (h) Imperial Model B-100 
  (i) Maule Model SFS-1-4-P8 +2 lb.   (+197) -2 lb.   (+197) 
  *(j) Steerable - Lang  
   (Formerly Decker) Model D-501A +2 lb.   (+197) -2 lb.   (+197)

Page 15 of 21 A-691 
 
Landing Gear and Floats (cont.) 
 305. Wheels 
  (a) 18x8-3 Goodyear 3LNBM with tires (Not eligible on Model PA-11) -2 lb.  (+3) 
  (b) 7.00-4 Firestone 2A or 2AV with tires (Not eligible on Model PA-11) -1 lb.  (+3) 
  (c) 8.00-4, Type III, wheel brake asse mblies Goodrich Model 841: +12 lb.  (+3) 
    Wheel Assembly No. D-3-13, Brake Asse mbly No. D-2-113, with 8.00-4, 4-ply rating  
    tires and tubes (Delivered equi pment on Model PA-11 at 20 lb. at +3). 
    Used with Item 211. 
  (d) Goodyear Model CL6HBM, 7.00-6,  (cross-wind wheel) +29 lb.  (+3) 
   Wheel Assembly No. 266AX36 
   Brake Assembly No. 266AX55 
   Wheel Installation No. 266AX54 
 
 307. Wheel streamlines     +6 lb.  (+3) 
 
 310. Skis         Use actual weight change 
  Eligible on any airplane of these m odels provided the propeller installation  
  meets the minimum ground clearance.  The maximum weight for the skiplane will be  
  the same as for the corresponding landplane or that shown in parenthesis after ski model,  
  whichever is less. 
  (a) Piper S-1000  (maximum 1200 lb.) 
  (b) Fairbanks MF-5   (maximum 1310 lb.) 
  (c) Federal SA-1   (maximum 1200 lb.) 
  (d) Federal SC-1  (maximum 1400 lb.) 
  (e) Aviation Service B  (maximum 1100 lb.) 
  (f) Air Transport 1220-480  (maximum 1220 lb.) 
  (g) Air Transport 1460-580  (maximum 1460 lb.) 
  (h) Marston MFS-1600  (maximum 1600 lb.) 
  (i) Heath 655 (maximum 1310 lb.). 
  (j) Heath 725  (maximum 1450 lb.) 
  (k) Air Transport 1224-580-1  (maximum 1220 lb.) 
  (l) Marston MFS-1200  (maximum 1200 lb.) 
  (m) Wollam W-1650  (maximum 1650 lb.) 
  (n) Heath 725A  (maximum 1450 lb.) 
  (o) Federal SKT-1  (maximum 1400 lb.) 
  (p) Federal SA-2  (maximum 1400 lb.) 
  (q) Federal SC-2  (maximum 1650 lb.) 
  (r) Washington Aircraft 1200  (maximum 1200 lb.) 
  (s) Federal A-1500 or A- 1500A  (maximum 1500 lb.) 
  (t) Call S1 (with 8.00-4 tires only) in accordance with Call Dwg. 1002 
   (maximum 1800 lb.) 
  (u) Federal A-1850  (maximum 1850 lb.)  per Federal Dwg. 11R262 
  (v) Federal A-2000 or A-2000A  (max imum 2000 lb.) per Federal Dwg. 11R262 
  *(w) Federal Model AWB-1500A wheel-ski , installed in accordance with Federal  
   Aircraft Works, Minneapolis, Minne sota, Dwg. 11R560.  The following placards  
   are required on ski position selector box: 
"SKI CONTROL" 
"UP-NEUTRAL-DOWN" 
  *(x) Federal AWB-2100 wheel-ski 
   Installed in accordance with Federal Aircraft Works,  
   Minneapolis, Minnesota  Dwg. 11R1101 
   The following placards are required: 
   (1) "Do not extend or retract skis while in motion on the ground." 
   (2) On the ski position selector box:   
"SKI CONTROL" 
"UP-NEUTRAL-DOWN" 
  *(y) Wesco A-15  (maximum 1500 lb.) 
    A-20 or AS-2  (maximum 2000 lb.) 
    A-25, AS-2A or AS-2B  (maximum 2500 lb.) 
   per Western Aircraft Equipm ent Company Dwg. Nos. 12 and 148.

A-691  Page 16 of 21 
Landing Gear and Floats (cont.) 
 315. Wollam Model 1200 plywood float installa tion (Model J3C-65S only) +137 lb.  (+16) 
  (182 lb.)  Bungee must be installed in the elevator control system per Piper Drawing C-85. 
 
Electrical Equipment 
 303. Batteries 
  (a) Exide 3AC-7      +10 lb.    (-19) 
  (b) Willard SYR-7-3     +10 lb.    (-19) 
  (c) Reading 3-BRL-6     +8 lb.    (+41) 
  (d) Reading 324 LD  (with box)    +16 lb.    (-19) 
 
 314. Generator installations (wind driven)  
  (a) General Armature AG-40    +11 lb.  (+3) 
 
 316. Landing lights in wing leading edge  per Piper Dwg. 12534  +4 lb.  (+5) 
 
Interior Equipment 
 
 401. Cabin heater installation - surface combustion    10 lb.  (+53) 
  Model AAV-15M-L2  (Models L-4A and L-4B only) 
 
 402. Windshield defroster  (Not applicab le to Model PA-11)  +1 lb.  (-17) 
 
Miscellaneous  (Not listed above) 
 
 306. Emergency exit      Neglect weight change 
 
 309. Friese type ailerons replacing unbala nced type   Neglect weight change 
 
 501. Two hinge tail surfaces  (Dwgs. D- 4152-C and D-4157-C) Neglect weight change 
 
 *601. Arresting Gear Model UN-11 (ins talled in accordance  +22 lb.  (+65) 
    with All American Aviation Dwg. 3250) 
  Upon installation of the arresting gear device the aircraft must be placarded in the following  
    manner: 
 
  (a) The following placard should be located at the control box:   
    "DANGER - Aircraft Arrest er, WARNING - Before flight, after use of this gear, the  
    aircraft must be inspected in accordan ce with instructions in the All American  
    Aviation Handbook of Instructions for M odel UN-11 Aircraft Arresting Gear (Piper  
    J3 Cub)." 
 
  (b) The following placard should be located at the arresting cord box:   
    "After arresting gear has been used, a nd before the airplane is again considered  
    airworthy, a certified airplane mechanic or other authorized personnel must visually  
    inspect the entire airplane for any evidence of damage with particular attention to the  
    following points: 
  (1) Right rear landing gear fitting where the static cable is attached. 
  (2)  Tail wheel and its supporting structure. 
  (3) Alignment of the aft portion of fuselage. 
  (4) Tube cluster adjacent to the aft cable fairlead. 
  (5) Tube structure supporting th e "UNOLYN" holding box and firing tube. 
    After this inspection, the aircra ft must be signed off as airworthy." 
 
 *602. Crop spraying installation, "Aero Sp ray King Model P-1"  +65 lb.  (+41) 
  (Model J3C-65 only)  (Installed in accordance with Ong Dwg. P-1-100 and Data No. P1-101 
     submitted by Ong Aircraft Corpor ation, P.O. Box 214, Kansas City, Mo.) 
  The following placards are required: 
  (a) "Never exceed 100 mph TIAS with spray equipment installed." 
  (b) "All acrobatics including spins prohib ited with spray equipment installed."

Page 17 of 21 A-691 
 
Miscellaneous  (Not listed above) (cont.) 
 *603. Slip-Not stabilizer control Model 10-C    +2 lb.  (+72) 
  (installed in accordance with Westfield I ndustries, Salem, Illinois, Dwg. 1 and Kit  
  installation instructions) 
 
 *604. ODA spraying installation  (Models J3 C-65 and PA-11 only)  +77 lb.  (+13) 
  installed in accordance with ODA Spray and Equipment Company,  
  Buffalo, Oklahoma, Dwgs. H-100 and H-102. 
  The following placards are required: 
  (a) "Never exceed 100 mph TIAS with spray equipment installed." 
  (b) "All acrobatics including spins prohib ited with spray equipment installed." 
 
 *605. Crop dusting installation (Models J3C-65 and PA-11 only) installed in accordance with Use actual weight 
  A. W. Whitaker, 5001 N.E. Union Avenue , Portland, Oregon, Dwgs. 100 and 100A, and  
  Data Sheet No. 100B.  See NOTE 6 for limitations applicable to crop dusters. 
 
 *606. Crop spraying installation, "Aero Sp ray King Model P1-49"  +85 lb.  (+40) 
  (Models J3C-65 and PA-11 only) installed in accordance with Ong Aircraft Corporation,  
  P.O. Box 214, Kansas City, Missouri, Dwg. P1-100-49. 
  The following placards are required: 
  (a) "Never exceed 100 mph TIAS with spray equipment installed." 
  (b) "All acrobatics including spins prohib ited with spray equipment installed." 
 
 *607. Crop spraying installation (Models J3 C-65 and PA-11 only)  +51 lb.  (+26) 
  installed in accordance with Johnson Flyi ng Service, Inc., P.O. Box 1382, Missoula, 
  Montana, Dwgs. S-100 through S-106. 
  The following placards are required: 
  (a) "Never exceed 100 mph TIAS with spray equipment installed." 
  (b) "All acrobatics including spins prohib ited with spray equipment installed." 
 
 *608. Crop spraying installation, "Arrow Sprayer Model C-1" Use actual weight 
  (Model J3C-65 only) installed in accordance with Arrow Sprayer Manufacturing  
  Company, Clinton Airport, Box 188, Clinton,  Illinois, Installation Instructions dated  
  November 1, 1948. 
 
 *609. Crop spraying installation, "Pipestone Av iation Services Sprayer" +69 lb.  (+42.5) 
  (Models J3C-65 and PA-11 only) installed in accordance with Pipestone Aviation Service,  
  Pipestone, Minnesota, Drawing and Insta llation Instructions dated January 19, 1949. 
  The following placards are required: 
  (a) "Never exceed 100 mph TIAS with spray equipment installed." 
  (b) "All acrobatics including spins prohib ited with spray equipment installed." 
 
 *610. Crop spraying installation (Models J3C-65 a nd PA-11 only) installed in accordance with  
  Broyhill Company's, Dakota City, Nebraska, following drawings: 
  Dwg. No. BC-J3-1 for Model J3C-65   +73 lb.  (+24.5) 
  Dwg. No. BC-PA11-1 for Model PA-11   +68 lb.  (+16.5) 
  The following placards are required: 
  (a) "Never exceed 100 mph TIAS with spray equipment installed." 
  (b) "All acrobatics including spins prohib ited with spray equipment installed." 
 
 *611. Crop spraying installation (Models J3 C-65 and PA-11 only) +54 lb.  (+22.5) 
  installed in accordance with Savdy-Sorensen Aviation Inc., Worthington, Minnesota  
  Installation Instructi ons dated March 8, 1949. 
  The following placards are required: 
  (a) "Never exceed 100 mph TIAS with spray equipment installed." 
  (b) "All acrobatics including spins prohib ited with spray equipment installed."

A-691  Page 18 of 21 
Miscellaneous  (Not listed above) (cont.) 
 *612 Crop spraying installation "Safe- Way Model P.M."  +63 lb.  (+30) 
  (Models J3C-65 and PA-11 only) installed in accordance with Beedleston Air Service, Municipal  
  Airport, Docatur, Illinois, Installa tion Instructions dated April 11, 1949. 
  Eligible for certification in Normal and/or Restricted Category (See NOTE 6). 
  The following additional placard is required when  certificated in the Restricted Category in  
  accordance with NOTE 6:   "All acrobatics incl uding spins prohibited with spray equipment  
  installed." 
 
 *613. Crop spraying installation (Models J3 C-65 and PA-11 only)  +56 lb.  (+23) 
  Martin Airways Model A in accordance with Martin Airways, Inc., Municipal Airport,  
  Monmouth, Illinois, Installation Instructions dated March 1, 1949. 
  The following placards are required: 
  (a) On instrument panel in full view of pilot:   "All acrobatics including spins prohibited  
   when spray equipment is installed." 
  (b) On tank "Maximum capacity ____ gal. water or ____ lb." Values to be determined from  
   weight and balance of aircraft. 
   Eligible for certification in Normal  and/or Restricted Category (See NOTE 6). 
   When certificated in Restricted Category in accordance with NOTE 6, the C. G. range is 
   (+11.5) to (+19.4) and the following static r.p.m. limits at maximum permissible throttle  
   setting apply (no additional tolerance permitted): 
  (a) With Items 311C (1 through 6) and Item 311D  (1 through 3) engines and Items 2, 4, and  
   101 propellers:  Not over 2250, not under 2000. 
  (b) With Item 311C(8) engine and Items 6 or 101 propellers:  Not over 2425, not under 2000. 
  (c) With Item 311C(7) engine and Items 6 or 101 propellers:  Not over 2100, not under 2000. 
 
 *614. Crop spraying installation (Model PA-11 with C-90 engine only) installed +80 lb.  (+19.5) 
  in accordance with A. W. Whitaker, 5001 N.E.  Union Avenue, Portland, Oregon, Installation 
  Instructions and Dwg. W-49 dated January 1, 1949. 
  The following placard is required: 
  "All acrobatics including spins prohibite d with spray equipment installed." 
 
 *615. Crop spraying installation "NAAC Sprayer"    +53 lb.  (+22) 
  (Models J3C-65 and PA-11 only) installed in accordance with Northwest Agricultural Aviation  
  Corporation, Chouteau, Montana, Dwg. No. N-14S. 
  Disposable spray fluid    (Weight at loaded)    (+34) 
  The following placards are required: 
  (a) "Never exceed 100 mph TIAS with spray equipment installed." 
  (b) "All acrobatics including spins prohib ited with spray equipment installed." 
 
 *616. Crop installation, "Frye Model 113" (Mode ls J3C-65 and PA-11 only)  +36 lb.  (+12) 
  installed in accordance with Frye Manuf acturing Company, Anadarko, Oklahoma,  
  Installation Instructions: 
  Disposable spray fluid    (Weight at loaded)      (+33) 
  The following placards are required: 
  (a) "Never exceed 100 mph TIAS with spray equipment installed." 
  (b) "All acrobatics including spins prohib ited with spray equipment installed." 
 
 *617. Wing tip spill plates (Models J3C-65 and PA-11 only) Neglect weight change 
  installed in accordance with Flo-Trol Splate Company, Wahpeton, North Dakota,  
  Kit No. 100, dated September 1, 1949, fo r wings with wood spars and Kit No. 200,  
  dated October 1, 1949, for wings with metal spars.  The following lower static r.p.m.  
  propeller limits apply: 
  (a) With Item 311C (1 through 6), 311D (1  through 3) and 311C(8), not under 2200 r.p.m. 
  (b) With Items 311C(7), 311C(10) and 311D(5),  with Item 101 propeller, not under 2200 r.p.m. 
  (c) With Items 311C (10) and 311D (5) with  Items 5 and 6 propellers, not under 2000 r.p.m. 
  (d) With Items 311C (9) and 311D (4) with Items 101, 3 or 4 propellers, not under 2000 r.p.m. 
    and with Items 8 propeller with limits as specified. 
  (e) With Item 311D(5) with It em 7 propeller limits as specified. 
  (f) With Item 311D(5) with Item  9 propeller, not under 2000 r.p.m.

Page 19 of 21 A-691 
 
Miscellaneous  (Not listed above) (cont.) 
 *618. Crop spraying installation for Model J3C-65 and Model PA-11 when installed Use actual weight and 
  in accordance with Independent Crop Dusting,  Inc., Campbell, California, balance change 
  instruction, "I-C-D Model 700 Rotary Spra yer Installation," revised June 1, 1949, or  
  "Instructions for Installation Two Se ries 700 Rotors," dated January 14, 1930. 
  The following placards are required: 
  (a) "Never exceed 100 mph TIAS with spray equipment installed." 
  (b) "All acrobatics including spins prohib ited with spray equipment installed." 
  Independent Crop Dusting, Inc. Spra y Tank may be  Use actual weight and  
  used in conjunction with the above  Rotary Spray Units balance change 
  or with other approved sprayer installa tions when installed in accordance with  
  "Instructions for Installation Spra y Tank Kit," dated February 1, 1950. 
 
 *619. Brodie Suspending Gear 
  (Aircraft of 1220 lb. maximum weight, and 65 hp minimum) 
  installed in accordance with Brodie Engi neering Corporation, 2107 Maryland Avenue,  
  Baltimore, Maryland, Dwg. No. X46R6187. 
 
  (a) Complete installation includi ng fixed mount, hook,   +37 lb.  (-2) 
   arm and cables.  The following placards are required: 
 (1) "Intentional spins prohibited with Brodie Hook installed: 
  (Spins permitted with fixed mount only installed)". 
 (2) At the release handle:  "Warning - Suspending gear hook release." 
 
  (b) Installation of fixed mount only, in accordance with Dwgs.  +15 lb.  (-3) 
   X45D17370, X45G17375, X45C17393 and X45B17394 
  Aircraft incorporation Item (a) may be operated, in accordance with required operating  
  instructions, on the Brodie Aerial Track Airport erected at Diffendall (Eastern) Airport,  
  Baltimore, Maryland.  These operating instructions  are contained in the CAA (FAA) approved Brodie  
  Pilot Operating Manual entitled "Pilot Operating In structions for Piper J3 and PA-11 Airplanes  
  for Landing and Takeoff on Aerial Track Airports " which must remain in the airplane during  
  such operation, and must retain its identity as an individual manual. 
 
 *620. Crop dusting installation, "Aero Dust  King, Model DP-7"  +56 lb.  (35) 
  (Models J3C-65 and PA-11 only) installed in accordance with Ong Aircraft Corporation, 
  P.O. Box 214, Kansas City, Missouri, Installation Instructions and Dwg. DP-700. 
 
  Disposable dust      (Weight as loaded)  (+32) 
  Eligible for certification in Normal or Restricted category. 
  See NOTE 6 for applicable limitations and placards. 
 
 *621. Crop spraying installation, "Aero Spra y King Jr., Model SP-9"  +48 lb.  (+25) 
  (Models J3C-65 and PA-11 only) installed in accordance with Ong Aircraft Corporation,  
  P.O. Box 214, Kansas City, Missouri,  Installation Instructions and Dwg. SP-900 
 
  Disposable spray fluid    (Weight as loaded)  (+36) 
  Eligible for certification in Normal or Restricted category. 
  See NOTE 6 for applicable limitations and placards. 
 
 *622. Crop spraying installation, "Pipestone  Aviation Services   +60 lb.   (+28) 
  Model 100"  (Models J3C-65 and PA-11 only) insta lled in accordance with Pipestone Aviation Services,  
  Pipestone, Minnesota, Installati on Instructions dated February 23, 1950 and installation drawing. 
  The following placards are required: 
  (a) "Never exceed 90 mph TIAS with spray equipment installed." 
  (b) "All acrobatics including spins prohib ited with spray equipment installed." 
  Eligible with propellers as listed except Item 101 which requires static r.p.m. limits: 
   Not over 2300, not under 2050.

A-691  Page 20 of 21 
Miscellaneous  (Not listed above) (cont.) 
 *623. Crop spraying installation "Sevdy-S orenson Model 10  +56 lb.   (+29) 
  Low Gallonage"  (Models J3C and PA-11 ha ving 80 hp. engines or higher) installed in 
  accordance with Sevdy-Sorenson in structions dated April 1, 1950.  Eligible for certification in  
  Normal and/or Restricted Category (See NOTE 6). 
  The following placards are required: 
  (a) "Never exceed 100 mph TIAS with spray equipment installed." 
  (b) "All acrobatics including spins prohib ited with spray equipment installed." 
 
 *624. Ross control system conversion kit Models 7R100, 7R100A and 7R100B.  Use actual weight and  
  Install in accordance with Ross (Frederick W.  Ross, 719 North Melborn Avenue, balance change 
  Dearborn, Michigan)  Dwgs. 7R100 through 7A120 revised November 4, 1955, and Ross  
  Installation Instructions dated April 6,  1953.  Model 7R100 approved for Models J3C-65 
  and PA-11 only when both a 65 hp engine and It em 211, Testerman Tricycle Landing Gear, are  
  installed.  Models 7R100A and 7R100B appr oved for Models J3C-65 and PA-11 with any  
  approved 65 to 90 hp engine and either type landing gear .  The following placard is required  
  on the instrument panel: 
  "Equipped with Ross Control System." 
 
 *625. Clipped wing installation.  40 ½ inches rem oved from root of each wing Use actual weight and  
  in accordance with Reed Aircraft Modificati on Manual dated October 7, 1953. balance change 
  (Earl C. Reed, Kansas City, Missour i).  The following restrictions apply: 
   
  (1) C. G. Range: (+10.9)   to   (+19.4) 
  (2) Maximum Weight: 1100 lb. 
  (3) Items 311C(1) through 311C(6), and 311C(8 ) engines only with McCauley 1A90-CF,  
   1A90-CH, and 1B90-CM fixed pitch metal pr opellers only at following static r.p.m. and  
   diameter limits:  2250 to 2150 and 71.0 to 69. 5 inches, respectively (No other tolerances 
   permitted). 
  (4) Required placard in view of pilot: 
    "Equipment with Reed Clipped Wing" 
 
NOTE 1 Current weight and balance report including list of equipment included in certificated weight empty, and 
loading instructions when necessary, must be in each aircraft at the time of original certification and at all 
times thereafter (except in the case of air carrier operators having an approved weight control system). 
 
NOTE 2 Placard front cockpits of Models J3C-50, J3C-65,  J3C-50S with McKinley floats and J3C-65S with 
McKinley floats:  "Solo flying from rear seat only."  Placard may be removed if individual aircraft actual 
weight and balance shows that the approved C. G. limits will not be exceeded under any loading condition.  
Manufacturer recommends that all J-3 airplanes be flown solo from the rear seat. 
 
NOTE 3 Serial Nos. 4373, 4419, 4435, 4438, 4445, 4446, 4447, 4449, 4450 ,4451, 4452, 4457, 4458, 4459, 4460, 
4464, 4466, 4467, 4471, 4473, 4474, 4475, 4477, 4478, 4495, and 4502 are eligible with the following C. G. 
range: 
 Landplane  (+10.6) to (+21.5) 
 Seaplane (Edo floats) (+10.6) to (+18.5) 
 Seaplane (McKinley floats) (+13.7) to (+18.5) 
 
NOTE 4 Army TG-8 gliders having Serial Nos. G-1 and up ar e eligible for certification as J3C series airplanes under 
the provisions of this specification provided that they have been converted to J3C airplanes and are in 
conformity with the approved Piper data.  Conversion procedure is given in Safety Regulation Release 
No. 188. 
 
NOTE 5 The following parts from TG-8 gliders can be us ed directly on Piper J3C series airplanes.   
 The replacement of such complete component parts is considered a minor repair in accordance with 
FAA Advisory Circular 43.13-1.  Tail surfaces; landing gear tires and wheels; tail wheel; wing, provided the 
spoiler and spoiler controls are removed; the control system from (and including) the middle occupant aft; 
wing struts; instruments, same as or equivalent to those used on powered aircraft.

Page 21 of 21 A-691 
 
NOTE 6 Models J3C-65 and PA-11 aircraft certificated in the Restricted Category prior to October 11, 1950 for crop 
dusting, spraying or seeding may continue to operate with the additional limitations: 
 
  Model J3C-65 eligible Model J3C-65 eligible  Model 
            at 1100 lb.                        at 1220 lb.           PA-11   
 (a) Maximum landing weight  1100 lb. 1220 lb. 1220 lb. 
  Maximum takeoff weight  1210 lb. 1250 lb. 1250 lb. 
  Maneuvering speed at    
     maximum weight   93 mph 78 mph  84 mph 
 
 (b) The following placard must be in full view of pilot: 
 "Maneuvering speed at maximum weight not to  exceed (See NOTE 6(a) above) mph -- all acrobatics 
including spins prohibited." 
 All original certification in the Restricted Cate gory after October 11, 1950 must be in accordance with 
CAR and CAM 8. 
 
NOTE 7 Model J3C-65 or PA-11 may be converted from a closed (2 PCLM) to an open landplane (2 POLM) by 
removal of doors and side windows in accordance with Piper Dwg. 10670, at a decrease of 13.5 lb. at +16 
inches from datum. 
 
 
....END....
```

## ADs (21, in force first)

- [AD 2025-02-11](https://openairdocs.org/ad/2025-02-11): Rudder Structure · FS 2001 J5A (Army L-4F), J5A-80, J5B (Army L-4G) and 67 more. Effective Mar 20, 2025
- [AD 2015-08-04](https://openairdocs.org/ad/2015-08-04): Wings · FS 2000 L-14, AE-1, HE-1 and 77 more. Effective Jun 3, 2015
- [AD 2006-03-08](https://openairdocs.org/ad/2006-03-08): Vacuum pumps · Aero Advantage 14-19, 14-19-2, 14-19-3 and 299 more. Effective Mar 10, 2006
- [AD 2001-23-17](https://openairdocs.org/ad/2001-23-17): GNS 430 units · Cessna 172, 182, 206 and 209 more. Effective Dec 28, 2001
- [AD 96-09-06](https://openairdocs.org/ad/96-09-06): Air Filter Assemblies · Maule Aerospace Technology 7ACA, 7ECA, 7FC and 180 more. Effective Jun 7, 1996
- [AD 85-06-04](https://openairdocs.org/ad/85-06-04): Fuel Tank · FS 2001 AE-1, HE-1, J5A-80 and 60 more. Effective May 4, 1985
- [AD 78-10-03](https://openairdocs.org/ad/78-10-03): Fuel Venting · FS 2001 AE-1, HE-1, J5A-80 and 66 more. Effective May 23, 1978
- [AD 68-05-01](https://openairdocs.org/ad/68-05-01): Exhaust Mufflers · FS 2001 J5A-80, J5A (Army L-4F), J5B (Army L-4G) and 67 more. Effective Mar 31, 1968
- [AD 58-12-02](https://openairdocs.org/ad/58-12-02): Aileron Hinge Brackets · Piper J-3, J3C-40, J3C-50 and 20 more
- [AD 58-01-07](https://openairdocs.org/ad/58-01-07): Control System Turnbuckles · FS 2001 J5A-80, J5A (Army L-4F), J5B (Army L-4G) and 18 more
- [AD 52-07-03](https://openairdocs.org/ad/52-07-03): Lift Strut Rework · Piper J-3, J3C-40, J3C-50 and 15 more
- [AD 46-37-01](https://openairdocs.org/ad/46-37-01): Fuel Strainer Gasket · Piper PA-12, PA-12S, J3C-65S and 1 more
- [AD 46-37-02](https://openairdocs.org/ad/46-37-02): Fuel Strainer Position · Piper J3C-65S and J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1); L-4H; L-4J (Navy NE-2))
- [AD 47-50-03](https://openairdocs.org/ad/47-50-03): Canvas Seat Inspection · Piper J-3, J3C-40, J3C-50 and 14 more
- [AD 47-50-06](https://openairdocs.org/ad/47-50-06): Shock Strut Cracks · Piper J3C-65S, PA-11 and J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1); L-4H; L-4J (Navy NE-2))
- [AD 48-03-03](https://openairdocs.org/ad/48-03-03): Header Tank Installation · Piper PA-11
- [AD 49-14-01](https://openairdocs.org/ad/49-14-01): Elevator Connector Tube Fitting · FS 2003 J-3, J3C-40, J3C-50 and 17 more
- [AD 50-05-01](https://openairdocs.org/ad/50-05-01): Nicopress Sleeve Rework · Piper PA-12, PA-12S, J3C-40 and 6 more
- [AD 99-01-05 R1](https://openairdocs.org/ad/99-01-05-R1) (historical): Wings · FS 2000 L-14, AE-1, HE-1 and 73 more. Effective Jan 14, 2014
- [AD 99-01-05](https://openairdocs.org/ad/99-01-05) (historical): Wing Lift Struts or Forks · FS 2000 L-14, AE-1, HE-1 and 73 more. Effective Feb 8, 1999
- [AD 93-10-06](https://openairdocs.org/ad/93-10-06) (historical): Corroded Wing Lift Struts or Cracked Forks · Piper Aircraft, Inc., The New J-2, J-3, J4 and 28 more. Effective Jul 9, 1993

## Registered aircraft by registry model (OpenAirDocs)

- [Piper PA-11](https://openairdocs.org/model/piper-pa-11): 439 aircraft (registry codes 7101102, 7101106)
- [Piper J3C-65S](https://openairdocs.org/model/piper-j3c-65s): 27 aircraft (registry code 7100526)
- [Piper J3C-50](https://openairdocs.org/model/piper-j3c-50): 13 aircraft (registry code 7100506)
- [Piper PA-11S](https://openairdocs.org/model/piper-pa-11s): 4 aircraft (registry code 7101104)
- [Piper / Harris PA-11](https://openairdocs.org/model/piper-harris-pa-11): 1 aircraft (registry code 7101108)
- [Piper J3C-50S](https://openairdocs.org/model/piper-j3c-50s): 1 aircraft (registry code 7100508)
- [Piper J3C65](https://openairdocs.org/model/piper-j3c65): 1 aircraft (registry code 7104217)
- [Piper-Carter PA-11](https://openairdocs.org/model/piper-carter-pa-11): 1 aircraft (registry code 7101105)
- [Piper-Smith PA-11](https://openairdocs.org/model/piper-smith-pa-11): 1 aircraft (registry code 7101103)
- [Piper / Duke PA-11](https://openairdocs.org/model/piper-duke-pa-11): 0 aircraft (registry code 7101107)
- [Piper J3C-40](https://openairdocs.org/model/piper-j3c-40): 0 aircraft (registry code 7100504)

## STCs approved under this data sheet (233, first 50)

- [STC SA01233SE](https://openairdocs.org/stc/SA01233SE): Fabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assembly. ABI, LLC
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position  Light System, and applicable associated power supplies. Whelen Aerospace Technologies
- [STC SA00079NY](https://openairdocs.org/stc/SA00079NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines of 450 horsepower or less.. Airwolf Filter Corporation
- [STC SA02525LA](https://openairdocs.org/stc/SA02525LA): Installation of Wheel and Brake Assemblies. Game Aerospace LLC
- [STC SA01005DE](https://openairdocs.org/stc/SA01005DE): Installation of a EarthX ETX900-TSO Lithium battery. EarthX Inc.
- [STC SA01704LA](https://openairdocs.org/stc/SA01704LA): Installation of the Grove Disk Brake System. Grove Aircraft Landing Gear Systems Inc.
- [STC SA00081NY](https://openairdocs.org/stc/SA00081NY): Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector.. Alcor LLC
- [STC SA7965SW](https://openairdocs.org/stc/SA7965SW): Application of fabric and polyurethane finishing system.. Shady Aviation LLC
- [STC SA252CH](https://openairdocs.org/stc/SA252CH): Installation of replacement wing ribs.. Yakima Aerosport
- [STC SA02764SE](https://openairdocs.org/stc/SA02764SE): Installation of Acme Aero Shock landing gear shock absorbers. Acme Suspensions LLC
- [STC SA02765SE](https://openairdocs.org/stc/SA02765SE): Installation of Acme Stinger tailwheel landing gear shock absorber. Acme Suspensions LLC
- [STC SA00715CH](https://openairdocs.org/stc/SA00715CH): Installation of Air Energy Service P/N J-3-212 ball type, sight fuel tank quantity gauge on the side of an AESI P/N AESI-125 12-gallon wing tank.. Crown MN Aviation LLC
- [STC SA1496GL](https://openairdocs.org/stc/SA1496GL): Installation of a 12-gallon fuel tank and fuel system in the left wing or left and right wings.. Crown MN Aviation, LLC
- [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC
- [STC SA03898NY](https://openairdocs.org/stc/SA03898NY): Installation and maintenance of ORATEX covering and coating material. Aircraft Design & Certification Ltd
- [STC SA01343WI](https://openairdocs.org/stc/SA01343WI): Installation of B&C Specialty Products BC400 alternator. B & C Specialty Products Inc.
- [STC SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc.
- [STC SA02582AK](https://openairdocs.org/stc/SA02582AK): Installation of Airframes Alaska Brake Pedal and Master Cylinder Assembly. Airframes Alaska LLC
- [STC SA02579AK](https://openairdocs.org/stc/SA02579AK): Installation of Swing bar. Willow Mountain Ranch
- [STC SA1038SO](https://openairdocs.org/stc/SA1038SO): Installation of Aqua Model 1500 floats.. Outpost X Aviation Inc.
- [STC SA02576AK](https://openairdocs.org/stc/SA02576AK): Installation of Cleveland and ABI, LLC Wheel and Brake Kits. ABI LLC
- [STC SA02233AK](https://openairdocs.org/stc/SA02233AK): Installation of high visibility fuel sight gauge.. Dakota Cub Aircraft Inc.
- [STC SA3-356](https://openairdocs.org/stc/SA3-356): Installation of Wipaire Skis Model C-2200 main ski and Model AWT-2500 or AWT-2500A tail wheel skis.. F.Atlee Dodge Aircraft Services
- [STC SA3-357](https://openairdocs.org/stc/SA3-357): Installation of Wipaire Skis Model C-2200 main skis and Model AWT-2500 or AWT-2500A tail wheel ski.. F.Atlee Dodge Aircraft Services
- [STC SA3-424](https://openairdocs.org/stc/SA3-424): Installation of Wiparie Skis Model CTF-2200 (Acft Skis) (FluiDyne) (Federal) tail ski on airplanes equipped with Scott Model 3000 tail wheel.. F.Atlee Dodge Aircraft Services
- [STC SA02987CH](https://openairdocs.org/stc/SA02987CH): Installation of the Electroair Electronic Ignition System. Electroair Acquisition Corporation
- [STC SA5-33](https://openairdocs.org/stc/SA5-33): Removed unbalanced tail surfaces and installed balanced tail surfaces. Install elevators, Piper P/N
12789-00 and 12789-01 and stabilizers, Piper P/N 12790-00 and 12790-01. Wilbur Repair Service Marguerite Benson or Anne Wilbur
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc.
- [STC SA36CH](https://openairdocs.org/stc/SA36CH): Installation of Baumann Model 1420 floats.. Baumann Floats LLC
- [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc.
- [STC SA02153AK](https://openairdocs.org/stc/SA02153AK): Installation of Burl's Aircraft Rebuild Magnum I tail wheel Penetration ski. Burl's Aircraft Rebuild LLC
- [STC SA02214AK](https://openairdocs.org/stc/SA02214AK): Installation of Alpha Omega Suspension System in place of original bungees or bungees and hydasorbs.. Burl's Aircraft Rebuild LLC
- [STC SA01015SE](https://openairdocs.org/stc/SA01015SE): Installation of eligible Alaska Bushwheel, Inc. wheels and TSO-C62d tires. ABI LLC
- [STC SA02553AK](https://openairdocs.org/stc/SA02553AK): Fabrication and installation of a Tail Wheel Anti-Shimmy Dampener. Keller Engineering Group LLC
- [STC SA220SO](https://openairdocs.org/stc/SA220SO): Tow bar, release mechanism, and safety tow link.. Fliegen Works Inc. 
      d/b/a Pacific Aerial Tow Hooks
- [STC SA02546AK](https://openairdocs.org/stc/SA02546AK): Installation of a replacement baggage compartment. Charles R. Gerbi
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation
- [STC SA04032CH](https://openairdocs.org/stc/SA04032CH): Install rocker switch assemblies. Electroair Acquisition Corporation
- [STC SA615EA](https://openairdocs.org/stc/SA615EA): Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights.. Whelen Aerospace Technologies
- [STC SA2057SO](https://openairdocs.org/stc/SA2057SO): Installation of shoulder harness.. Alpha Aviation Inc
- [STC SA02212AK](https://openairdocs.org/stc/SA02212AK): Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems. Seaplanes North LLC
- [STC SA3606NM](https://openairdocs.org/stc/SA3606NM): Installation of landing gear fueling step.. F. Atlee Dodge Aircraft Services, LLC
- [STC SA10077SC](https://openairdocs.org/stc/SA10077SC): Installation of push-button starter system.. Hartzell Engine Technologies, LLC
- [STC SA01734SE](https://openairdocs.org/stc/SA01734SE): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.. Andrew D. Humphrey
- [STC SA00780SE](https://openairdocs.org/stc/SA00780SE): Installation of the True Lock Safety Retention Axle Lock Nut System. True Lock LLC
- [STC SA02566CH](https://openairdocs.org/stc/SA02566CH): Installation of the Custom Fiberglass Molding, Inc. (CFMI) Model 1500, 2250-001, or 2250-002 Aircraft Main Landing Gear Skis. Silveraire LLC
- [STC SA02452AK](https://openairdocs.org/stc/SA02452AK): Installation of F. Atlee Dodge Aircraft Services, LLC, Pilot s Safety Barrier Net. F. Atlee Dodge Aircraft Services, LLC
- [STC SA00478CH](https://openairdocs.org/stc/SA00478CH): Installation of Cooper Superflite 102 Fabric.. Aviation Products Systems Inc.

All 233: https://openairdocs.org/tcds/A-691/stcs.md

---
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