- Holder
- FS 2001 Corp.
- Revision
- 4
- Revised
- March 30, 2001
- Status
- Current
- Product
- Aircraft · Small Airplane
- Certification basis
- CAR 4a
- Models
- 6
- Registered
- 299 aircraft
The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.
On this page
Models · 6
| Model | Also known as | Note |
|---|---|---|
| J5B (Army L-4G) | Formerly Piper Aircraft, Inc. | |
| AE-1 | Formerly Piper Aircraft, Inc. | |
| J5A-80 | Formerly Piper Aircraft, Inc. | |
| J5A (Army L-4F) | Formerly Piper Aircraft, Inc. | |
| HE-1 | Formerly Piper Aircraft, Inc. | |
| J5C | Formerly Piper Aircraft, Inc. |
Airworthiness directives · 12
ADs whose products are models on this data sheet, matched by model and maker.
AD 2025-02-11Rudder StructureAD 2015-08-04WingsAD 2006-03-08Vacuum pumpsAD 2001-23-17GNS 430 unitsAD 96-09-06Air Filter AssembliesAD 85-06-04Fuel TankAD 78-10-03Fuel VentingAD 68-05-01Exhaust MufflersAD 58-01-07Control System TurnbucklesAD 99-01-05 R1HistoricalWingsAD 99-01-05HistoricalWing Lift Struts or ForksAD 93-10-06HistoricalCorroded Wing Lift Struts or Cracked Forks
Registered aircraft
Registry models that point at this data sheet, with their registered aircraft.
Piper J5A268 registered aircraftPiper J5C19 registered aircraftPiper J5B5 registered aircraftPiper AE-13 registered aircraftPiper J5A-802 registered aircraftPiper/Fielder J-5A1 registered aircraftPiper/Morris J5A1 registered aircraftPiper HE-10 registered aircraftPiper/Marketello J5-A0 registered aircraft
STCs approved under this data sheet · 96
STC SA01233SEFabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assemblySTC SA04837NYInstallation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lightsSTC SA04652CHTo allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification
See all 96 STCsWhat the data sheet says
From the PDF’s text layer, line by line: tables lose their columns. The PDF is the record.
P a g e N o . 123456789 1 0
R e v . N o . 4243222222
DEPARTMENT OF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
A-725
Revision 4
FS 2001 Corp.
J5A (Army L-4F)
J5A-80
J5B (Army L-4G)
J5C
AE-1
HE-1
March 30, 2001
AIRCRAFT SPECIFICATION NO. A-725
Type Certificate Holder FS 2001 Corp
709 Dupont Street, P. O. Box 1678
Bellingham, WA 98227-1678.
The New Piper Aircraft, Inc.
2926 Piper Drive
Vero Beach, FL 32960
TC 725 transferred 9-25-00, reissued 3-30-01
I - Model J5A (Army L-4F), 3 PCLM, Approved April 13, 1940; Model J5A-80, 3 PCLM, Approved July 31, 1942
and Model J5B (Army L-4G), 3 PCLM, Approved June 17, 1940.
The three models are all similar except for engine installation.
Engine J5A: Continental A-75-8
J5A-80: Continental A-80-8
J5B: Lycoming GO-145-C2
See Item 307 for optional engines.
Fuel J5A and J5B: 73 min. octane aviation gasoline
J5A-80: 80 min. octane aviation gasoline
Engine Limits J5A: For all operations, 2600 rpm (75 hp.)
J5A-80: For all operations, 2700 rpm (80 hp.)
J5B: For all operations, 3200 rpm (75 hp.)
Airspeed Limits Level flight or climb 104 mph True Ind.
Glide or dive 140 mph True Ind.
Propeller Limits Static rpm at full throttle and diameter, respectively:
(with Item 101 or 107) J5A: Not over 2525, not under 2300
Not over 82 inches, not under 68 inches
J5A-80: Not over 2550, not under 2300
Not over 70 inches, not under 68 inches
J5B: Not over 3200, not under 2750
Not over 83 inches, not under 74 inches
No additional tolerance on rpm permitted.
A-725 2
I - Model J5A (Army L-4F), Model J5A-80, Model J5B (Army L-4G) (cont'd)
C. G. Range (+12.2) to (+21.0) or
(+9.6) to (+21.0) when elevator bungee per Piper Dwg. C-40 is installed.
Empty Weight C. G. Range (+14.0) to (+17.4) for Serial Nos. 5-2 to 5-783
(+15.7) to (+19.2) for Serial Nos. 5-784 and up
Ranges are not valid for non-standard arrangements except that they may be used when
auxiliary fuel tank Item 316 is installed. When empty weight C. G. falls within the
pertinent range, computation of critical fore and aft C. G. positions is unnecessary.
Datum Wing leading edge
Leveling Means Chord line at wing root rib - zero incidence when level.
Maximum Weight 1450 lbs.
Number of Seats 3 (one at +6 and two at +34)
Maximum Baggage 41 lbs. (+566) When Serial Nos. 5-2 to 5-783 are flown solo from rear seat,
maximum baggage is 20 lbs.
Fuel Capacity Serials 5-2 to 5-783: 19 gallons Wing tank, 18 gallons at +23 and
Header tank, 1 gallon at -21.
Serials 5-784 and up: 25 gallons Wing tank, 18 gallons at +23 and
Header tank, 7 gallons at -15.5.
Oil Capacity Serials 5-2 to 5-783: 4 quarts (-36).
Serials 5-784 and up: 5 quarts (-36).
Control Surface Elevators 30° Up 30° Down
Movements Ailerons 31° Up 25° Down
Rudder 30 Right 30° Left
Stabilizer 1°47' Up 4° 57' Down
Serial Numbers Eligible 5-2 and up
Required Equipment J5A: Items 101, 102, 103 and 104
J5A-80: Items 101, 102, 103, 104 and 106.
J5B: Items 101, 102, 103, 104 and 105.
II - Model J5C, 3 PCL-SM, Approved December 21, 1942 and Model AE-1 or HE-1, 2 PCL-SM Approved
December 21, 1942.
Model J5C same as model J5A except for redesigned landing gear and engine installation. Model AE-1, identical to Model
HE-1, is same as model J5C except for the removal of rear seat and baggage compartment, the addition of several fuselage
members to support the litter, and minor rudder and aileron control system changes.
Engine Lycoming 0-235 (See Item 307 for optional engine.)
Fuel 73 min. octane grade aviation gasoline
Engine Limits For all operations, 2550 rpm (100 hp.)
Airspeed Limits Level flight or climb 110 mph True Ind.
Glide or dive 140 mph True Ind.
Propeller Limits Static rpm at full throttle:
(with Item 101 or 107) Landplane: Not over 2450, not under 2050.
Seaplane: Not over 2450, not under 2290.
No additional tolerance permitted.
Diameter: Not over 74 in., not under 72 in.
3 A-725
II - Model J5C, Model AE-1 or HE-1 (cont'd)
C.G. Range Landplane: J5C (+9.0) to (+18.6)
AE-1, HE-1 (+10.9) to (+20.5)
Seaplane: (+11.3) to (+18.2)
Landplane: J5C (+10.2) to (+14.3)
AE-1, HE-1 (+12.3) to (+17.7)
Seaplane: J5C (+13.1) to (+13.5)
AE-1, HE-1 (+12.7) to (+14.4)
Ranges are not valid for non-standard arrangements except that they may be used when
auxiliary fuel tank Item 316 is installed. When empty weight C. G. falls within the
pertinent range, computation of critical fore and aft C. G. positions is unnecessary.
Datum Wing leading edge
Leveling Means Plumb bob from machine screw at door frame channels near upper rear corner of door to
hole in plate near rear seat.
Maximum Weight 1550 lbs.
Number of Seats J5C: 3 (one at +6 and two at +34)
AE-1, HE-1: 2 (one at +6 and one at +59)
Maximum Baggage J5C: 41 lbs. (+56)
AE-1, HE-1: None
Fuel Capacity 20 gallons (18 gallon tank in right wing at +23 and 2 gallon header tank in fuselage
at -15.5). See Item 316 for auxiliary tank.
Oil Capacity 2 gallons (-40)
Control Surface Elevators 27° Up 32° Down
Movements Ailerons 31° Up 25° Down
Rudder 20° Right 20° Left
Stabilizer 0.5° Up 6° Down
On AE-1 and HE-1 only: Elevator trim tab: 43° Up (fixed)
Serial Numbers Eligible J5C: 5-1309, 5-1388 and up
AE-1, HE-1: 5-1400 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 102, 103, 104 and 107
Data Pertinent to All Models
Certification Basis Type Certificate No. 725 (CAR 4a)
Production Basis None.
Export Eligibility Deleted as of July 31, 1995
Equipment: A plus (+) or minus (-) sign preceding the weight of an item of equipment indicates net weight change when
that item is installed.
Approval for the installation of all items of equipment 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 an
FAA monitored or approved quality control system, and therefore conformity must be determined if the item is not
identified by a Form FAA-186, PMA or other evidence of FAA production approval.
A-725 4
Propellers and Propeller Accessories
J5A
J5A-80 J5B J5C
AE-1
HE-1
101. Propeller - wood (fixed or adj pitch) +12 lbs. (-54) (-56) - - - - - - - - - - - -
107. Propeller - wood (fixed pitch) - - - - - - - - - - - - 14 lbs. (-54) (-54)
*1. Propeller - Beech, controllable, R 002, +18 lbs. (-54) - - - - - - - - - - - - - - - -
Hub R002-101 or R-003-100, Blades
R002-205-72 (including Beech
mechanical propeller control)
Diameter: 72 inches
Pitch at 27 in station:
Low 14 ½°, High 19°
(Eligible on J5A with A-75 series
engines only.)
*2. Propeller - McCauley 1A90
a. (Models J5A with Continental
A-75 series engine)
+9 lbs. (-54) - - - - - - - -- - - - -- - - - -
Static rpm at max. permissible
throttle setting:
Not over 2440, not under 2340.
No additional tolerance permitted.
Diameter: Not over 70 inches,
not under 68.5 inches.
See Items 307(d), (e) and (g) and
NOTE 3 for other limits when those
engines are installed.
b. (Models J5A, J5A-80 and J5B
with Item 307(h) only)
Static rpm at full throttle:
Not over 2200, not under 2100.
No additional tolerance permitted.
Diameter: Not over 73 inches,
not under 71.5 inches.
+9 lbs (-54) (-56) - - - - - - - -- - - - -
*3. Propeller - Koppers Aeromatic
F200/00-74E
(Eligible with Item 307(f) only)
Parts List Assembly No. 4330
Low pitch setting at 24 in. sta: 11°
Static rpm at max. permissible throttle
setting: Not over 2600, not under 2500.
No additional tolerance permitted
Diameter: Not over 74 inches,
not under 72.5 inches.
(When this Item is installed,
installation and flight check must be
done per Koppers "Installation
Procedure and Operating Limitations"
dated May 28, 1948.)
- - - - - - - - - - - -- +18 lbs. (-54) (-54)
5 A-725
Propellers and Propeller Accessories (cont'd)
J5A
J5A-80 J5B J5C
AE-1
HE-1
*4. Propeller - Beech, controllable
R002, with R002-205-72 blades
(including Beech Mechanical Control)
Pitch settings at 27 in. station:
Low 12.5°, High 19.25°
Diameter: Not over 72 inches,
not under 70.5 inches.
Eligible on J5A with C-85-12 engine,
Item 307(g).
Harrison oil cooler HE-212 or
equivalent must be installed.
+18 lbs. (-54) - - - - - - - -- - - - - - - - -
*5. Propeller - McCauley 1C90
(with Lycoming O-235-B engine only)
Static rpm at max. permissible throttle
setting:
Not over 2300, not under 2150.
No additional tolerance permitted.
Diameter: Not over 72 inches,
not under 70.5 inches.
- - - - - - - - - - - - 23 lbs. (-54) (-54)
*6. Propeller - Sensenich M74CK-2, fixed
pitch metal (Model J5A with A75 engine
only).
Static rpm at max. permissible throttle
setting:
Not over 2440, not under 2340
No additional tolerance permitted
Diameter: Not over 72 inches,
not under 70 inches
21 lbs. (-54) - - - - - - - - - - - --- - - - -
*7. Propeller - Sensenich M76AK-2, fixed
pitch metal.
(a) Model J5A with Continental C-75
engine only
Static rpm at max. permissible throttle
setting:
Not over 2150, not under 2000.
No additional tolerance permitted.
Diameter: Not over 74 inches,
not under 72.5 inches.
24 lbs. (-54) - - - - - - - -- - - - - - - - -
(b) Model J5A with Continental C-85
engine only
Static rpm at max. permissible throttle
setting:
Not over 2430, not under 2170.
No additional tolerance permitted.
Diameter: Not over 74 inches,
not under 72 inches.
24 lbs. (-54) - - - - - - - -- - - - - - - - -
(c) Model J5 with Continental C90
engine only
Static rpm at max. permissible throttle
setting:
Not over 2250, not under 2100.
No additional tolerance permitted.
Diameter: Not over 74 inches,
not under 72.5 inches.
24 lbs. (-56) (-56) - - - - - - - -- - - - --
A-725 6
Propellers and Propeller Accessories (cont'd)
J5A
J5A-80 J5B J5C
AE-1
HE-1
*8. Propeller - Sensenich M76AM-2, fixed
pitch metal
Model J5 with Lycoming O-235 engine
only.
Static rpm at max. permissible throttle
setting:
Not over 2300, not under 2150.
No additional tolerance permitted.
Diameter: Not over 74 inches,
not under 72 inches.
- - - - - - - - - - - -- 24 lbs. (-54) (-54)
Engines and Engine Accessories - Fuel and Oil System
J5A
J5A-80 J5B J5C
AE-1
HE-1
No aircraft of these models is eligible
for original certification with single
ignition engine after August 1, 1941.
104. Carburetor air and cabin heater 3 lbs. (-33) (-33) 3 lbs. (-33) (-33)
106. Oil cooler (Harrison HE212) (J5A-80 only) 5 lbs. (-49) - - - - - - - - - - - - - - - -
*108. Oil filter, Fram PB-5
(a) Kit No. 520, Fram Install. Dwg.
No. 6158
5 lbs. - - - - (-27.5) - - - - - - - - - - - -
(b) Kit No. 510, Fram Install. Dwg.
No. 61542
5 lbs. (-27.5) - - - - - - - -- - - - - - - - -
*307. Engines
(a) Continental A-75-9 +3 lbs. (-31) - - - - - - - -- - - - - - - - -
(b) Lycoming GO-145-C1 -11 lbs. - - - - (-30) - - - - - - - -- - - - -
(c) Lycoming GO-145-C3 +2 lbs. - - - - (-30) - - - - - - - - - - - -
(d) Continental C-75-12 (Model J5A only)
Engine Limits - for all operations,
2275 rpm (75 hp.)
Propeller limits (With Item 101):
(See NOTE 3 when installed with
McCauley 1A90 propeller.)
Static rpm at max. permissible
throttle setting: Not over 2100,
not under 2000.
No additional tolerance permitted.
Diameter: Not over 74 inches,
not under 72.5 inches.
+12 lbs. (-31) - - - - - - - - - - - - - - - -
(e) Continental C-75-8 (Model J5A only)
Engine and propeller limits same as
for (d) above. See NOTE 3 when
installed with McCauley 1A90 propeller.
+7 lbs. (-32) - - - - - - - - - - - -- - - - -
(f) Lycoming O-235-B
Engine limits - for all operations,
2600 rpm (104 hp.)
Propeller limits same as for engine
model O-235
- - - - - - - - - - - - Use actual weight change.
7 A-725
Engines and Engine Accessories - Fuel and Oil
System (cont'd)
J5A
J5A-80 J5B J5C
AE-1
HE-1
(g) Continental C-85-12 (Model J5A only)
Engine limits. For all operations,
2575 rpm (85 hp.)
When this engine is installed, the
following are required: Propeller
Item 4 may be substituted for the
McCauley propeller).
Propeller -McCauley 1A90
Static rpm at max. permissible throttle
setting: Not over 2430,
not under 2170.
No additional tolerance permitted.
Diameter: Not over 71 inches,
not under 69.5 inches.
Oil cooler (Harrison HE-212)
+12 lbs. (-31) - - - - - - - - - - - - - - - -
(h) Continental C-90-8F
Engine limits - for all operations
2475 rpm (90 hp.) Propeller limits
(with Item 101) - Static rpm at max.
permissible throttle setting: Not over
2200, not under 2100. No additional
tolerance permitted.
Diameter: Not more than 74 inches,
not less than 72.5 inches
No muffler installed.
Bendix Stromberg Carburetor,
Continental Part No. 530625
+14 lbs. (-31) (-31) - - - - - - - - - - - -
308. Oil cooler (Harrison HE212) (J5A only) 5 lbs. (-49) - - - - - - - -- - - - -- - - - -
309. Starter installation - Hummer Model X
(Piper Dwg. C-83)
11 lbs. (-13) (-13) - - - - - - - - - - - -
313. Exhaust muffler
a. Piper Dwg. C-702 3 lbs. (-31) - - - - - - - - - - - - - - - -
b Piper Dwg. C-72 3 lbs. - - - - (-31) - - - - - - - - - - - -
316. Left wing auxiliary fuel tank (18 gals.)
Additional placards required:
(a) "Auxiliary fuel system 18 gal. capacity."
(b) Near left filler neck: "Fill right wing
tank first."
- - - - - - - - - - - - 16 lbs. (+23) (+23)
Landing Gear and Floats
J5A
J5A-80 J5B J5C
AE-1
HE-1
102. 8.00-4 wheels with brakes and 4-ply
tires
(Wheels must be placarded for these
tires)
31 lbs. (+1) (+1) 31 lbs. (+1) (+1)
103. Tail Wheels
(a) 6x2.00 with solid rubber tire 2 lbs. (+201) (+201) 2 lbs. (+201) (+201)
(b) 2x2.50 steerable, full swivel-Maule
Model SFS-14
6 lbs. (+201) (+201) 6 lbs. (+201) (+201)
(c) 6x2.50 steerable, straight-Maule
Model SS-14
6 lbs. (+201) (+201) 6 lbs. (+201) (+201)
203. Scott Aviation Corp. Model B-711
brake pressure unit
(J5A, J5A-80, J5B and J5C only)
Neglect weight change
A-725 8
Landing Gear and Floats (cont'd)
J5A
J5A-80 J5B J5C
AE-1
HE-1
204. Edo 89-2000 floats with water rudder
and seaplane fin Piper Dwg. No. 11030
in accordance with Edo Dwg. 89-S-180A.
All airplanes must have additional fuselage
brace tubes (Parts Nos. 11026 and 11027) in
accordance with Piper Dwg. No. 11031.
- - - - - - - - - - - - +183 lbs. (+14.5) (+14.5)
*302. Wheel streamlines 6 lbs. (+2) (+2) 6 lbs. (+2) - - - -
303. Parking brake 3 lbs. (-8) (-8) 3 lbs. (-8) (-8)
306. 6x2.00 pneumatic tail wheel Neglect weight change
*311. Skis (Eligible on any airplane of these
models 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) (Use actual weight
change)
Use Actual Weight Change
(a) Federal SC-2 (maximum 1650 lbs.)
(b) Heath 725 (maximum 1450 lbs.)
(c) Marston MFS-1600 (maximum 1600 lbs)
(d) Air Transport 1620-750 (maximum
1620 lbs.)
(e) Jack Carr Service 16 (maximum 1600 lbs)
(f) Wollam W-1650 (maximum 1650 lbs.)
(g) Heath 725A (maximum 1450 lbs.)
(h) Federal A-1500 or A-1500A
(maximum 1500 lbs.) per Federal
Dwg. 11R262. (Eligible on J5A and
J5B only)
(i) Federal A-1850 (maximum 1850 lbs.)
per Federal Dwg. 11R262
(j) Federal A-2000 or A-2000A
(maximum 2000 lbs.) per Federal
Dwg. 11R262.
(k) Wesco per Western Aircraft
Equipment Company Dwgs. Nos. 12
and 148:
(1) A-15 (maximum 1500 lbs.)
(2) A-20 or AS-2 (maximum 2000 lbs.)
(3) A-25, AS-2A or AS-2B (maximum
2500 lbs.)
9 A-725
Electrical Equipment
J5A
J5A-80 J5B J5C
AE-1
HE-1
105. Batteries
(a) Reading 333 LD or 324 LD (6 volt)
Serial Nos. 5-784 and up
16 lbs. - - - - (+57) - - - - - - - - - - - -
(b) Exide 6AC-7-1 or Willard SYR-7-6
(with box)
(12 volt Serial Nos. 5-784 and up)
16 lbs. - - - - (+57) - - - - - - - - - - - -
201. General Armature AG-40 or AG-42
wind-driven generator installation.
Serial Nos. 5-784 and up
11 lbs. - - - - (+2) - - - - - - - - - - - -
310. Generator installation
(a) General Armature AG-40 or AG-42
(Wind-driven)
(1) Serial Nos. 5-2 to 5-783 11 lbs. (+2) (+2) - - - -- - - - - - - - -
(2) Serial Nos. 5-784 and up 11 lbs. (+2) - - - - - - - - - - - - - - - --
312. Batteries
(a) Willard SYR-7-3 with box (6 volt)
(1) Serial Nos. 5-2 to 5-783 11 lbs. (-20) (-20) - - - - - - - - - - - -
(2) Serial Nos. 5-784 and up 11 lbs. (-20) - - - - - - - -- - - - -- - - - -
(b) Reading 333LD or 324LD (6 volt)
Serial Nos. 5-784 and up
16 lbs. (+57) - - - - - - - -- - - - - - - - -
(c) Exide 6AC-7-1 or Willard SYR-7-6
(with box) (12 volt)
Serial Nos. 5-784 and up
16 lbs. (+57) - - - - - - - - - - - - - - - -
314. Landing light (Grime ST-250
retractable) (Generator, Item 310,
required when Item 312(c) is used)
4 lbs. (+15) (+15) - - - - - - - - - - - -
Interior Equipment
J5A
J5A-80 J5B J5C
AE-1
HE-1
202. Three 1½ minute flares (International) 17 lbs. (+83) (+83) - - - -- - - - -- - - - -
*317. Litter - - - - - - - -- - - - - 25 lbs. - - - - (+67)
*318. Splint - - - - - - - - - - - - 5 lbs. - - - - (+32)
Miscellaneous (not listed above)
J5A
J5A-80 J5B J5C
AE-1
HE-1
*601. Slip-not stabilizer control, Model 10-C
(Installed in accordance with Westfield
Industries, Salem, Illinois. Dwg. No. 1
and Kit installation instructions.)
+2 lbs. (+72) (+72) 2 lbs. (+72) (+72)
*602. Fuselage metal plating when installed
in accordance with Met-Co-Aire's Dwg.
12108, 13108 and installation
instructions dated June 17, 1954 issued
by Met-Co-Aire Co., Municipal
Airport, Fullerton, California.
Use Actual Weight Change and Moment Arm
A-725 10
NOTE 1 Current weight and balance report including list of equipment included in certificated empty weight, 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 baggage compartment of models J5A and J5A-80 (Serial Nos. 5-2 to 5- 783) as follows:
"Maximum capacity 41 lbs."
"Maximum when flown solo from rear seat 20 lbs."
Placard required for models J5C, AE-1 and HE-1: "Main fuel valve must be "ON" for all operations. Main
fuel system 20 gallon capacity."
When left wing tank (Item 316) is installed, the following additional placards are required:
(a) "Auxiliary fuel system 18 gallon capacity."
(b) Near the left filler neck, "fill right wing tank first."
The following placard must be displayed in full view of the pilot on models AE-1 and HE-1 only:
"Intentional Spinning Prohibited."
NOTE 3 With Item 307(d) or (e) the following Item may be installed:
Propeller - McCauley 1A90 +9 lbs. (-54)
Static rpm at maximum permissible throttle setting:
Not over 2100, not under 2000.
No additional tolerance permitted
Diameter - not more than 74 inches, not less than 72.5 inches.
...END...