Supplemental Type Certificate
Piper J-3 Cub · Supplemental Type Certificate
Overview
This document is a Supplemental Type Certificate (STC) issued by the FAA for modifications to the Piper J-3 series aircraft. It certifies that the installation of specific Teledyne Continental engines and propellers meets the airworthiness requirements. The STC outlines the limitations and conditions for the modifications, including the requirement to carry a specific Supplemental Airplane Flight Manual during all flights. The document is intended for aircraft owners and maintenance personnel involved in the modification and operation of the Piper J-3 series aircraft. It provides detailed specifications for eligible aircraft models, engine limits, propeller specifications, and maintenance instructions necessary for compliance with the STC.
- Maximum gross weight for landplane: 1220 lbs.
- Engine options include A-65 (65 hp) and C-90 (90 hp).
- Propeller RPM limits for landplane: 2050-2250 RPM.
- Supplemental Airplane Flight Manual must be on board during flights.
- Eligibility includes multiple Piper J-3 series models.
Document
Source
Originally published by cdn.imagearchive.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Supplemental Type Certificate
- Year
- 2009
- Pages
- 5
- File size
- 50 KB
- Publisher
- cdn.imagearchive.com
Common. Rarer than 24% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the Piper J-3 Cub.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
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In this document
Description of Type Design Change
The STC allows for the installation of various Teledyne Continental engines (A-65, A-75, C-75, C-85, C-90) on Piper J-3 series aircraft, with a maximum gross weight of 1220 lbs for landplanes. Specific engine and propeller combinations are detailed, along with their respective limitations.
Limitations and Conditions
The modifications must be maintained according to the STC Installation Instructions and Instructions for Continued Airworthiness. The STC requires that the Paul Babcock Supplemental Airplane Flight Manual for Piper J3 series aircraft be carried on board during all flights.
Engine Specifications
The STC specifies various engine options, including the Teledyne Continental A-65-8 (65 hp) with a maximum RPM of 2300, and the C-90-12F (90 hp) with a takeoff RPM of 2475. Each engine has specific propeller requirements and operational limits.
Propeller Specifications
Propeller options include fixed pitch models from Sensenich and McCauley, with specific diameter and RPM limits. For example, the Sensenich M74CK must operate between 2050 and 2250 RPM for landplanes.
Eligibility List
The STC applies to various models of the Piper J-3 series, including J3C-40, J3F-50, and J3L-65, among others. Each model has specific serial numbers listed as eligible for the modifications.
Safety notes
- Alteration of this certificate is punishable by a fine or imprisonment.
- Compatibility of design changes with previous modifications must be verified.
Full document text
United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate _____________________________________________________________________________________________________________________________________ Any alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both. _____________________________________________________________________________________________________________________________________ FAA Form 8110-2(10-68) Page This certificate may be transferred in accordance with FAR 21.47. Number SA00270BO This Certificate issued to Paul G. Babcock 1647 Main Street South Weymouth, MA 02190 certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airworthiness requirements of * Original Product Type Certificate Number : *See attached Eligibility List for list of approved aircraft models and applicable airworthiness regulations. Make : Model : Description of Type Design Change: Installation of a Teledyne Continental A-65-8, A-65-8F, A-65-9, A-75-8, A-75-8F, A-75-9, C-75-8, C-75-12, C-85-8, C-85-12, C-90-8F or C-90-12F engine and corresponding propeller identified under Limitations and Conditions, and components for a landplane maximum gross weight of 1220 lbs., in accordance with STC SA00270BO Installation Instructions and Instructions for Continued Airworthiness, dated September 18, 2009, or later FAA-approved revisions. Limitations and Conditions: 1. Paul Babcock Supplemental Airplane Flight Manual for Piper J3 series aircraft, dated October 29, 2009, or later FAA-approved revisions, must be carried in the aircraft during all flights. See Continuation Sheet If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. This certificate and the supporting data which is the basis for approval shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration. Date of application : October 9, 2007 Date of issuance : October 29, 2009 Date reissued : Date amended : By direction of the Administrator _______________________________________________________ (Signature) Robert G. Mann Manager Boston Aircraft Certification Office _______________________________________________________ (Title) United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA00270BO ___________________________________________________________________________________________________________________________________ Any alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both. ___________________________________________________________________________________________________________________________________ FAA Form 8110-2-1(10-69) Page This certificate may be transferred in accordance with FAR 21.47. ELIGIBILITY LIST Piper Model Approved Type Certificate Number Certification Basis Serial Numbers Eligible J-3 660 Aeronautics Bulletin 7-A Amended October 1, 1934 1999 and up J3C-40, J3C-50, J3C-50S, J3C-65, J3C-65S A-691 CAR 4a Amended April 7, 1950 2325, 2327, 2340, 2342, 2344, 2345, 2347, 2349, 2351, 2355 and up, 2356A, 2357A and up, and 8277-1 through 8277-40. J3F-50, J3F-50S, J3F-60, J3F-60S, J3F-65 (Army L- 4D), J3F-65S A-692 CAR 4a Amended April 7, 1950 2325, 2327, 2340, 2342, 2344, 2345, 2347, 2349, 2351, 2355 and up, 2356A, 2357A and up, and 8277-1 through 8277-40. J3P 695 CAR 04 Amended November 1, 1943 2325, 2327, 2339, 2340, 2342, 2344, 2345, 2347, 2349, 2351, 2355 and up. J3L, J3L-S, J3L-65 (Army L-4C), J3L-65S A-698 CAR 4a Amended April 7, 1950 2325, 2327, 2340, 2342, 2344, 2345, 2347, 2349, 2351, 2355 and up, 2356A, 2357A and up, and 8277-1 through 8277-40. Limitations and Conditions cont’d: 2. This modification is to be maintained in accordance with STC SA00270BO Installation Instructions and Instructions for Continued Airworthiness, dated June 24, 2009, or later FAA-approved revisions. 3. Compatibility of this design change with previously approved modifications must be determined by the installer. The specifications shown on the Approved Type Certificate for the eligible Piper J3 series aircraft remains applicable except: Engine: Teledyne Continental A-65-8, A-65-8F, A-65-9 Engine Limits: All operations, 2300 r.p.m. (65 hp) United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA00270BO ___________________________________________________________________________________________________________________________________ Any alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both. ___________________________________________________________________________________________________________________________________ FAA Form 8110-2-1(10-69) Page This certificate may be transferred in accordance with FAR 21.47. Propellers: A. Sensenich fixed pitch metal model M74CK. +21lb. (-53) Static r.p.m. at maximum permissible throttle setting: (a) Landplane: Not over 2250, not under 2050. (b) Seaplane: Not over 2250, not under 2100 (Edo 92-1400 or 60-1320 floats No additional tolerance permitted. Diameter: Not over 74 inches, not under 72.5 inches. or B. Beech (Roby) R-002-205 blades (A-65-8 and A-65-9 only) +15 lb. (-51) Pitch setting at 27 in. station: Low 13˚, High 18.5˚. or C. McCauley 1A90CF or 1B90CM +26 lb. (-51) Limits: Static r.p.m. at maximum permissible throttle setting: (a) Landplane and skiplane: Not over 2250, not under 1950.
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(b) Seaplane: Not over 2250, not under 2050 (Edo 92-1400 or 60-1320 floats only) No additional tolerance permitted. Diameter: Not over 74 inches, not under 72.5 inches. or D. Wood (fixed pitch). +9 lb. (-51) Limits: Static r.p.m. at maximum permissible throttle setting: (a) Landplane and skiplane: Not over 2300, not under 1950. (b) Seaplane: Not over 2250, not under 1930 (Edo 92-1400 or 60-1320 floats only) No additional tolerance permitted. Diameter: Not over 81 inches, not under 69.7 inches. Engine: Teledyne Continental A-75-8, A-75-8F, A-75-9 Engine Limits: All operations, 2600 r.p.m. (75 hp) Propellers: A. McCauley 1A90 or 1B90 +21 lb. (-53) Static r.p.m. at maximum permissible throttle setting: Not over 2425, not under 1950. No additional tolerance permitted. Diameter: Not over 70 inches, not under 68.5 inches. or B. Wood (fixed pitch) +9 lb. (-51) Static r.p.m. at maximum permissible throttle setting: Not over 2425, not under 1950. No additional tolerance permitted. Diameter: Not over 70 inches, not under 68.5 inches. or C. Sensenich fixed pitch metal model M74CK-2. +21 lb. (-51) 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. Engine: Teledyne Continental C-75-8, C-75-12 Engine Limits: All operations, 2275 r.p.m. (75 hp) Propellers: A. McCauley 1A90 or 1B90 +21 lb. (-53) 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. United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA00270BO ___________________________________________________________________________________________________________________________________ Any alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both. ___________________________________________________________________________________________________________________________________ FAA Form 8110-2-1(10-69) Page This certificate may be transferred in accordance with FAR 21.47. or B. Wood (fixed or adjustable pitch) +9 lb. (-51) 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. Engine: Teledyne Continental C-85-8, C-85-12 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: 4 ½ qts. Propellers: A. Wood (fixed pitch) +9 lb. (-51) 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. or B. McCauley 1A90CF or 1B90CM +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. or C. Koppers F200/00-72D +30 lb. (-51) Eligible on landplane or skiplane only. Parts List Assembly No. 4369. Low pitch setting 12.7˚ measure 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 accomplished in accordance with Koppers’ “Installation Procedure and Operating Limitation” No. 29.5. or D. Sensenich fixed pitch metal model M76AK-2. +24 lb. (-53) Static r.p.m. at maximum permissible throttle setting: Not over 2550, not under 1950. No additional tolerance permitted. Diameter: Not over 74 inches, not under 72.5 inches. Engine: Teledyne Continental C-90-8F, C-90-12F 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. Carburetor heat must be modified to provide required heat rise. (Comply with Piper Service Bulletin 84) United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA00270BO ___________________________________________________________________________________________________________________________________ Any alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both. ___________________________________________________________________________________________________________________________________ FAA Form 8110-2-1(10-69) Page This certificate may be transferred in accordance with FAR 21.47. Propellers: A. McCauley 1B90, 1A90 +21 lb. (-53) Static r.p.m. at maximum permissible throttle setting: (a) Landplane: Not over 2300, not under 1950. (b) Seaplane: Not over 2300; not under 2100 (Edo 92-1400 or 60-1320 floats only). No additional tolerance permitted. Diameter: Not over 71 inches, not under 69.5 inches. or B. Wood (fixed pitch). +9 lb. (-51) Static r.p.m. at maximum permissible throttle setting: (a) Landplane: Not over 2300; not under 1950. (b) Seaplane: Not over 2300; not under 2100 (Edo 92-1400 or 60-1320 floats only). No additional tolerance permitted. Diameter: Not over 76 inches, not under 70 inches. Maximum weight: 1220 lbs. landplane, 1300 lbs. seaplane. …..END….









