STC SA1694WE

Supplemental type certificate · Franklin Engine Co Inc

Holder
Franklin Engine Co Inc · United States
Status
Current · Reissued
Status date
May 1, 1970
Applied
August 9, 1967
Product
Aircraft · Small Airplane
Certification basis
Part 21
Data sheet
TCDS3A12

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of Franklin GA-350-C2 engine, McCauley 2A31C/84S-6 propeller, and Aqua Float Corporation Model 2400, or Edo Corporation Model 248B-2440 floats

What the certificate saysOCR

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Department of Transportation Federal Aviation Administration Supplemental Type Certificate 340 Am Number SAL 694VE This certificate issued to: Franklin Engine Company, Inc. Subsidiary of Allied Aero Industries, Inc.

Syracuse, New York 13208 Purt 3* s$ the Civil Ait Reyulalions. *(CAR 3 effective November 1, 1949 as amended by 3-1 thru 3-12.)

Original Product - Type bertificate Number: 3A12 Make: CESSNA Model: 172D thru 172K Seaplane Versions Description of Type Design Change: Model 3000 main and 2000 nose skis must be installed in accordance with Fluidyne Installation of Franklin 6A-350-C2 engine, McCauley 3A31C/845-6 propeller, and Aqua Float Corporation Model 3100, or Ido Corporation Model 248B-2440 floats in accordance with Columbia Marine, Inc. Kit No. 106, for operation on wheels, floats or skis at a gross weight of 2499 pounds. For operation on skis, Fluidyne Engincering Company Drawing List No. 3650.

This approval should not be extended to other specific airplanes of these models on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse stations and tenditions:

effect upon the airworthiness of that airplane. Supplemental TYPCis a portion of Certificate Addenis Supplemental SAL 69AVE type Amendment 3, Certificate and is to dated

rendered, suspended, serked, is a lernination date is dherwise established by the dministrater of the Federal Aviation Administration .

Date of Issuance: Date of Application: 9 August 1957 28 May 1968 Jairumended 18 December 1968 Date Reissued: i MAY 1970 I MAY 1970 FEDERAL AVIATION By Direction of the Administrator D0 Bullis (Signature ) CMINISTRAIO Ally chiet, Aircraft Enrinecrina Division 47 FAA FoRM B110-2 (10-68)

Department d cranspan-pund zavalon amanoen Supplemental Type Certificate (Continuation Sheet) Number: SA169ANTE Make: 28 May 1968 STC - SA1694WE CESSNA 172D thru 172K Seaplane Versions Amendment 3, dated:

Supplemental Type Certificate ADDENDUM NO. SA1694WE The conditions and limitations of Type Certificate Data Sheet No. 3A12 apply except as follows:

This STC Addendum, which is a part of Supplemental Type Certificate No. SA1694WE, prescribes conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Federal Aviation Regula- This Addendum supersedes Part IV and Part V of Type Certificate Data required to be maintained as a part of the modified aircraft's permanent records. Sheet 3A12, Revision 25, only where noted (*). A copy of this STC Addendum is Supplemental Type Certificate Holder: Franklin Engine Company, Inc. Subsidiary of Allied Aero Industries, Inc.

Syracuse, New York 13208 V. - Model 172D, 4PCL-SM (Normal Category), Approved June 19, 1962 Model 172E, 4PCL-Shi (Normal Category), Approved June 27, 1963 Model 172F, 4PCL-SM (Normal Category), Approved April 21, 1964 Model 172G, 1PCL-SN (Normal Category), Approved June 15, 1965 Model 172H, 4PCL-SM (Normal Category), Approved June 7, 1966

- Model 1721, 4PCL-SM (Normal Category), Approved December 15, 1967 Model 172K, 1PCL-SM (Normal Category), Approved May 9, 1968 #*Fuel #*Engine limits *Engine Franklin 6A-350-C2 For all operations, 2800 RPM. (215 H.P.) 100/130 minimum grade Aviation gasoline *Propeller and Propeller limits 1. McCauley constant speed propeller (a) 2A31C21 hub with 845-6 blades

47.

Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA1 694VE Diameter 78 inches Pitch settings at 20-inch Station low - 12 degrees, high - 23 degrees

(b) Woodward 210453 governor

(c) Cessna 1552016-1 spinner #*Airspeed limits Maneuvering Maximum structural cruising 127 MPH. (109 k.) True Ind. 145 MPH. (126 k.) True Ind.

Never exceed 174 MPH. (151 k.) True Ind.

Flaps extended 100 MPH. ( 87 k.) True Ind.

*C.G. range Landplane:

Normal Category (+41.0) to (+47.3) at 2499 1bs.

(+35.0) to (+47.3) at 1950 1bs. or less Skiplane: (Fluidyne 3000 main skis, 2000 nose skis) Normal Category (+41.0) to (+47.3) at 2499 1bs.

(+35.0) to (+47.3) at 1950 lbs. or less Seaplane: (Aqua 2400 floats) Normal Category (+41.0) to (+47.3) at 2499 1bs.

(+40.0) to (+47.3) at 2225 1bs. or less Seaplane: (Edo 248B-2440 floats) Normal Category (+41.0) to (+47.3) at 2499 1bs.

(+35.0) to (+47.3) at 1950 1bs. or less **Maximum weight pty weight C.G. range Landplane, skiplane, and seaplane, Normal Category: 2499 1bs.

No. oi seats 4 (2 at +36, 2 at +70) *Fuel capacity Maximum baggage 120 1bs (+95) 42 gals. total, 38 gals, usable (two 21 gal. tanks in wings at (+48) . See NOTE 1 for weight of unusable fuel and oil.

*Oil capacity 8.8 qts. at (-19) unusable oil 5.6 lbs.)

*Control surface Wing flaps:

movements Landplane:

0 deg. - 40 deg.

Seaplane and skiplane: takeoff and climb landing 0 deg. - 40 deg.

Ailerons Up 20 deg. Down 15 deg.

Elevator tab Up 28 deg. Down 13 deg.

Elevator Up 28 deg. Down 23 deg.

(Neutral position is with bottom of balance area flush with bottom of stabilizer) Rudder (Landplane) right 16 deg., left 16 deg.

(Skiplane and Seaplane) right 19 deg., left 15 deg.

47.

Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA2694WE *Serial Nos. eligible Datum Leveling means *Certification basis Model 172D: 17249545 thru 17250572 Model 172E: 17250573 thru 17251822 Model 172F: 17251823 thru 17253392 Model 172G: 17253393 thru 17254892 Model 172H: 638, 17254893 thru 17256512 except 17256493 Model 172I: 17256493, 17256513 thru 17257161 Model 172K: 17256493, 17257162 and up Front face of firewall Upper door sill Part 3 of the Civil Air. Regulations effective November 1, 1949 as amended by 3-1 thru 3-12, Type Certificate No. 3A12 issued November 4, 1955.

Type Certificate issued and delegation option manufacturer No. CE-l authorized to issue airworthiness certificates under delegation option provisions of Part 21 of the Federal Aviation Regulations, and Supplemental Type Certificate No. SA1694WE.

*Production basis The basic required equipment as prescribed in the applicable *Equipment: airworthiness regulations (see Certification basis) must be installed in the aircraft for certification. In addition, the following items of equipment are required:

Model 172D thru 172G, Stall warning indicator, Cessna Drawing 0511062

2. Model 172H thru 172K, Stall warning system, Cessna

3. Model 172D thru 172K, Cessna 1223000-7 and -8 wing tips Drawing 0523112 Model 172D thru 172K, Cessna S-1307N2 cylinder head temperature gage (red line 390 deg. F.)

The equipment items approved by Aircraft Specification 3A12 (Rev. 17), Cessna Service News dated November 5, 1963, and applicable equipment lists for Model 172E and subsequent models are not eligible for installation on aircraft modified by STC SA1694WE unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of the modified aircraft.

*NOTE 1. Current weight and balance report together with list of equipment included in certificated empty weight and loading instructions when necessary must be included in the aircraft permanent records. The

47.

Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA1691NE *NOTE 1 certificated empty weight and corresponding center of gravity (Continued) location must include unusable fuel of 24 1bs, at (+46), and unusable oil of 5.6 1bs. at (-19).

*NOTE 2 The following placards must be displayed in full view of pilot:

THIS AIRPLANE MUST BE OPERATED IN COMPLIANCE WITH

THE OPERATING LIMITATIONS STATED IN THE FORM OF PLACARDS, MARKINGS AND MANUALS."

(2) "NORMAL CATEGORY ONLY.

MAXIMUM DESIGN WEIGHT LANDPLANE 2499 LBS.; SKIPLANE 2499 LBS; SEAPLANE 2499 LBS. REFERENCE WEIGHT AND BALANCE DATA FOR LOADING INSTRUCTIONS.

FLIGHT MANEUVERING LOAD FACTORS

FLAPS UP NO ACROBATIC MANEUVERS INCLUDING SPINS APPROVED." FLAPS DOWN +3.5

(3) "SEAPLANE AND SKIPLANE OPERATE AS NORMAL CATEGORY AIRPLANE EXCEPT :

MAXIMUM ALTITUDE LOSS IN STALL RECOVERY 120 FEET.

FLAPS - TAKEOFF AND CLIMB 10 DEGREES."

(4) "SKIPLANE: CLIMB PERFORMANCE IS ESSENTIALLY EQUAL TO THAT OF THE SEAPLAND.

"SKIPLANE: UNDER THE MOST FAVORABLE TEMPERATURE

CONDITIONS AND ON SMOOTH PACKED SNOW, TAKE-OFF DISTANCE IS ESSENTIALLY EQUAL TO LANDPLANE DISTANCE.

LANDING DISTANCE IS APPROXIMATELY TWENTY PER CENT GREATER THAN LANDPLANE DISTANCE."

(5) "SEAPLANE: RETRACT WATER RUDDER FOR FAST TAXIING, TAKE-OFF AND LANDING."

(6) "FUEL SELECTOR/LEFT 19 GALS. LEVEL FLIGHT ONLY/RIGHT 19 GALS. LEVEL FLIGHT ONLY/BOTH ALL FLIGHT ATTITUDES 38 GALS.

(b) The following placard must be displayed in the baggage compartment:

*ration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both.

M 8110-2-1 (10-69) PAGE 5 OF 6 PAGES

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA1694WE *NOTE 2 "MAXIMUM BAGGAGE 120 LBS. FOR ADDITIONAL LOADING (Continued) INSTRUCTIONS SEE WEIGHT AND BALANCE DATA.

(c) The following placard must be displayed on or adjacent to the ski-actuating pump:

APPROXINATE NUMBER OF STROKES TO RETRACT SKIS - 51;

TO EXTEND - 55."

(d) In addition to the placards specified above, the prescribed operating limitations of this STC Addendur indicated by a (#) must also be displayed by permanent markings.

- - END - - fon of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both S110-2-1 (10-69) PAGE 6 OF SPAGES

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 7

MakeModelData sheet
Cessna Aircraft Company172D3A12
Cessna Aircraft Company172E3A12
Cessna Aircraft Company172F (USAF T-41A)3A12
Cessna Aircraft Company172G3A12
Cessna Aircraft Company172H (USAF T-41A)3A12
Cessna Aircraft Company172I3A12
Cessna Aircraft Company172K3A12