FAA-listed STC holder

Franklin Aircraft Engines Inc. STCs

The Jun 30, 2026 FAA DRS snapshot lists 12 selected supplemental type certificates with status Current under Franklin Aircraft Engines Inc.. The records span 58 public aircraft directories and 3 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

aircraft directories

modification categories

May 25, 2022

latest recorded revision

Recently revised records

Showing the 12 most recently revised records. Category directories provide the complete paginated discovery path.

12 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Franklin Aircraft Engines Inc. supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SA1199NW Installation of a Hartzell HC-C2YF-1BF/F8459A-4 to -8, Hartzell 82A4203 spinner, and associated systems on a Franklin 6A-350-C1 engine. Engine and powerplant View record	Maule Aerospace Technology Bee Dee M-4-220TTC 3A23 Maule Aerospace Technology Bee Dee M-4-220STC 3A23 Maule Aerospace Technology Bee Dee M-4-220CTC 3A23	Current at cited snapshot Revised May 25, 2022 Application: Jul 1, 1980	FAA holder: Franklin Aircraft Engines Inc. FAA authority record
SA3872NM Installation of an AVCO Lycoming IO-540-R1A5 engine as modified per STC No. SE3873NM for the addition of induction air intercoolers. Engine and powerplant View record	Piper Aircraft PA-24-260TC 1A15	Current at cited snapshot Revised May 25, 2022 Application: Mar 30, 1987	FAA holder: Franklin Aircraft Engines Inc. FAA authority record
SA4014NM Installation of a McCauley Model B3D32C412/82NDA propeller. Propellers View record	Piper Aircraft The New PA-24-260TC 1A15	Current at cited snapshot Revised May 25, 2022 Application: Dec 8, 1986	FAA holder: Franklin Aircraft Engines, Inc. FAA authority record
SA637NW Installation of oil filter kit. Other aircraft modifications View record	Maule Aerospace Technology M-4-180CTC 3A23 Maule Aerospace Technology M-4-180STC 3A23 Maule Aerospace Technology M-4-180TTC 3A23 Maule Aerospace Technology M-4-220TC 3A23 Maule Aerospace Technology M-4-220CTC 3A23 Maule Aerospace Technology M-4-220STC 3A23 Maule Aerospace Technology M-4-220TTC 3A23 Maule Aerospace Technology M-5-220CTC 3A23 Textron Aviation 172BTC 3A12 Textron Aviation 172CTC 3A12 Textron Aviation 172DTC 3A12 Textron Aviation 172ETC 3A12 Textron Aviation 172F (USAF T-41A)TC 3A12 Textron Aviation 172GTC 3A12 Textron Aviation 172H (USAF T-41A)TC 3A12 Textron Aviation 172ITC 3A12 Textron Aviation 172KTC 3A12 Textron Aviation 172LTC 3A12 Textron Aviation 172MTC 3A12 Textron Aviation 175TC 3A17 Textron Aviation 175ATC 3A17 Textron Aviation 175BTC 3A17 Textron Aviation 175CTC 3A17 Textron Aviation 170BTC A-799 Univair Aircraft 108TC A-767 Univair Aircraft 108-1TC A-767 Univair Aircraft 108-2TC A-767 Univair Aircraft 108-3TC A-767	Current at cited snapshot Revised May 25, 2022 Application: Mar 13, 1978	FAA holder: Franklin Aircraft Engines Inc. FAA authority record
SA906NW Installation of additional Harrison oil cooler and associated systems. Other aircraft modifications View record	Maule Aerospace Technology M-4-220CTC 3A23 Univair Aircraft 108TC A-767 Univair Aircraft 108-1TC A-767 Univair Aircraft 108-2TC A-767 Univair Aircraft 108-3TC A-767	Current at cited snapshot Revised May 25, 2022 Application: Jan 29, 1980	FAA holder: Franklin Aircraft Engines Inc. FAA authority record
SE3873NM Installation of two AiResearch induction air intercoolers. Other aircraft modifications View record	Textron Lycoming AVCO IO-540-R1A5TC 1E4	Current at cited snapshot Revised May 25, 2022 Application: Mar 30, 1987	FAA holder: Franklin Aircraft Engines Inc. FAA authority record
SE4178NM Installation of oil filter kit. Other aircraft modifications View record	Franklin Sp zoo 6A4-150-B3TC E-238 Franklin Sp zoo 6A4-165-B3TC E-238 Franklin Sp zoo 6A-335-BTC E-244 Franklin Sp zoo 6A-335-B1ATC E-244 Franklin Sp zoo 6AS-350-ATC E18EA Franklin Sp zoo 6AS-350-A1TC E18EA Franklin Sp zoo 6A-350-C1TC E9EA Franklin Sp zoo 6A-350-C2TC E9EA	Current at cited snapshot Revised May 25, 2022 Application: Oct 10, 1986	FAA holder: Franklin Aircraft Engines Inc. FAA authority record
SA293NW Installation of Franklin 6A-350-C1 or 6A-350-C2 engines, Hartzell HC-C2YF-1BF/F8459A -4 to -8, HC-C2YF-1BF/F8459A-4Q to -8Q, or McCauley 2A31C21/84S-4 to -8 propellers in accordance with Seaplane Flying, Inc. Assembly and Installation Instructions SF 20690, SF20821, or SF 20820, on Cessna Models 170A, 170B, 172, 172A, 172B through P, 175, 175A, 175B and 175C as defined in AML. 2.) Installation of Franklin 6A-350-C1R engines, Hartzell HC-C2YF-1BF/F8459A-4 to -8, HC-C2YF-1BF/F8459-4Q to -8, McCauley 2A31C21/84S-4 to -8 or 2A34C201/90DA-10 to -14 propellers in accordance with Seaplane Flying Inc. Assembly and Installation Instructions SF 20690 on Cessna Models 170A, 170B (Serial Numbers 20267 to 26504) as defined in AML. Other aircraft modifications View record	Cessna Aircraft 172TC 3A12 Cessna Aircraft 172ATC 3A12 Cessna Aircraft 172BTC 3A12 Cessna Aircraft 172CTC 3A12 Cessna Aircraft 172DTC 3A12 Cessna Aircraft 172ETC 3A12 Cessna Aircraft 172F (USAF T-41A)TC 3A12 Cessna Aircraft 172GTC 3A12 Cessna Aircraft 172H (USAF T-41A)TC 3A12 Cessna Aircraft 172ITC 3A12 Cessna Aircraft 172KTC 3A12 Cessna Aircraft 172LTC 3A12 Cessna Aircraft 172MTC 3A12 Cessna Aircraft 172NTC 3A12 Cessna Aircraft 172PTC 3A12 Cessna Aircraft 175TC 3A17 Cessna Aircraft 175ATC 3A17 Cessna Aircraft 175BTC 3A17 Cessna Aircraft 175CTC 3A17 Cessna Aircraft 170ATC A-799 Cessna Aircraft 170BTC A-799	Current at cited snapshot Revised Apr 21, 2011 Application: Mar 1, 1976	FAA holder: Franklin Aircraft Engines Inc. FAA authority record
SA1666NM Installation of a Franklin 6A-335-B or 6A-335-B1 engine, McCauley 2A31C/84S-4 to -8 propeller, spinner and associated systems. Modification includes installation of a 40 amp alternator, Model SFA 5582. Engine and powerplant View record	Univair Aircraft 108-2TC A-767 Univair Aircraft 108-3TC A-767	Current at cited snapshot Revised Jul 2, 2001 Application: Apr 6, 1982	FAA holder: Franklin Aircraft Engines Inc. FAA authority record
SA599WE Installation of Franklin Engine 6A-335-B, McCauley propeller 2A31C21/84S-8 with Woodward governor 201453, and Firestone DFA-180 wheel assembly and CFA-252 brake assembly or equivalent. Engine and powerplant View record	Bellanca Aircraft 14-13-3WTC A-773 Bellanca Aircraft 14-13 SeriesTC A-773 Bellanca Aircraft 14-13-3TC A-773 Bellanca Aircraft 14-13-2TC A-773 Bellanca Aircraft 14-13TC A-773	Current at cited snapshot Revised Mar 7, 2001 Application: Not listed	FAA holder: Franklin Aircraft Engines Inc. FAA authority record
SA1078WE Installation of Franklin 6A-335-B engine with McCauley 2A31C/84S-6 propeller using EDO 89-2000 floats. (172B, 172C, 172D, 172E, 172F, 172G LAND OR SEAPLANE). Engine and powerplant View record	Cessna Aircraft 172GTC 3A12 Cessna Aircraft 172ETC 3A12 Cessna Aircraft 172CTC 3A12 Cessna Aircraft 172BTC 3A12 Cessna Aircraft 172DTC 3A12 Cessna Aircraft 172F (USAF T-41A)TC 3A12	Current at cited snapshot Revised Jul 19, 2000 Application: Not listed	FAA holder: Franklin Aircraft Engines Inc. FAA authority record
SA1334WE Installation of Franklin 6A-350-C2 engine and McCauley 2A31C/84S-6 propeller using Columbia Marine Inc. Kit No. 105. Engine and powerplant View record	Textron Aviation 172BTC 3A12 Textron Aviation 172CTC 3A12 Textron Aviation 172DTC 3A12 Textron Aviation 172ETC 3A12 Textron Aviation 172F (USAF T-41A)TC 3A12 Textron Aviation 172GTC 3A12	Current at cited snapshot Revised Jul 19, 2000 Application: Jan 17, 1967	FAA holder: Franklin Aircraft Engines Inc. FAA authority record

Franklin Aircraft Engines Inc. STCs

Modification mix

Aircraft represented

Recently revised records

Installation of a Hartzell HC-C2YF-1BF/F8459A-4 to -8, Hartzell 82A4203 spinner, and associated systems on a Franklin 6A-350-C1 engine.

Installation of an AVCO Lycoming IO-540-R1A5 engine as modified per STC No. SE3873NM for the addition of induction air intercoolers.

Installation of a McCauley Model B3D32C412/82NDA propeller.

Installation of oil filter kit.

Installation of additional Harrison oil cooler and associated systems.

Installation of two AiResearch induction air intercoolers.

Installation of oil filter kit.

Installation of a Franklin 6A-335-B or 6A-335-B1 engine, McCauley 2A31C/84S-4 to -8 propeller, spinner and associated systems. Modification includes installation of a 40 amp alternator, Model SFA 5582.

Installation of Franklin Engine 6A-335-B, McCauley propeller 2A31C21/84S-8 with Woodward governor 201453, and Firestone DFA-180 wheel assembly and CFA-252 brake assembly or equivalent.

Installation of Franklin 6A-335-B engine with McCauley 2A31C/84S-6 propeller using EDO 89-2000 floats. (172B, 172C, 172D, 172E, 172F, 172G LAND OR SEAPLANE).

Installation of Franklin 6A-350-C2 engine and McCauley 2A31C/84S-6 propeller using Columbia Marine Inc. Kit No. 105.