The Aviation DataBase®
Complete Aviation Regulatory Library
Sept. 11 Sept. 11
DataBases updated: Apr 4th, 2025
Home Products Library Support Account Login Contact

STC Holder: Franklin Aircraft Engines Inc.

The Aviation DataBase -- STC Selection System
Aviation DataSource, Inc.

No. of STCs: 21

STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA1078WEStatus: CurrentApp Date: Rev Date: 07/19/2000
TC Nos.: 3A12,
Models:
The Cessna Aircraft Company:
172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G
ACO: AIR-770: West Certification Branch DEN
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)
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA1199NWStatus: CurrentApp Date: 07/01/1980Rev Date: 05/25/2022
TC Nos.: 3A23,
Models:
Maule Aerospace Technology Inc.:
Bee Dee M-4-220C, Bee Dee M-4-220S, Bee Dee M-4-220T
ACO: AIR-770: West Certification Branch DEN
Installation of a Hartzell HC-C2YF-1BF/F8459A-4 to -8, Hartzell 82A4203 spinner, and associated systems on a Franklin 6A-350-C1 engine.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA1334WEStatus: CurrentApp Date: 01/17/1967Rev Date: 07/19/2000
TC Nos.: 3A12,
Models:
Textron Aviation Inc.:
172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G
ACO: AIR-770: West Certification Branch DEN
Installation of Franklin 6A-350-C2 engine and McCauley 2A31C/84S-6 propeller using Columbia Marine Inc. Kit No. 105.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA1417NMStatus: CurrentApp Date: 03/23/1981Rev Date: 04/09/1999
TC Nos.: A-777,
Models:
Hawker Beechcraft Corporation:
C35, D35
ACO: AIR-770: West Certification Branch DEN
Installation of a Franklin 6AS-350-A or 6AS-350-A1 engine with an AiResearch TE-0657turbosupercharger and Hartzell HC-C2YF-1BF/F8459A-4 to -8 or Hartzell HC-C2YF-1BF/8459A-4Q or -8Q propeller.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA1647NMStatus: CurrentApp Date: Rev Date: 11/19/1999
TC Nos.: A-767,
Models:
Univair Aircraft Corporation:
108-2, 108-3
ACO: AIR-770: West Certification Branch DEN
Installation of EDO Model 44-2425 seaplane floats and auxiliary fin (108-3901002).
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524
Contact us to have your company added here!
STC No.: SA1666NMStatus: CurrentApp Date: 04/06/1982Rev Date: 07/02/2001
TC Nos.: A-767,
Models:
Univair Aircraft Corporation:
108-2, 108-3
ACO: AIR-770: West Certification Branch DEN
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.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA1666NMStatus: HistoricalApp Date: Rev Date: 07/02/2001
TC Nos.: A-767,
Models:
Univair Aircraft Corporation:
108-2, 108-3
ACO: AIR-770: West Certification Branch DEN
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.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA206NWStatus: CurrentApp Date: Rev Date: 04/09/1999
TC Nos.: 3A12,
Models:
The Cessna Aircraft Company:
172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A), 172I, 172K, 172L, 172M
ACO: AIR-770: West Certification Branch DEN
Installation of Franklin 6AS-350-A or 6AS-350-A1 engine with an AiResearch TE-0657 turbosuper- charger and McCauley 2A31C21/84S-6 or Hartzell HC-C2YF-1BF/F8459-4, to -8, or Hartzell HC-C2YF-1BF/ F8459A-4Q, or -8Q propeller. (172B, 172M LANDPLANE AND SEAP LANES
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA293NWStatus: HistoricalApp Date: 03/27/1976Rev Date: 11/09/1999
TC Nos.: 3A12, 3A17, A-799,
Models:
Cessna Aircraft Company:
170A, 170B, 172, 172A, 172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P, 175, 175A, 175B, 175C
ACO: Denver ACO Branch, Tel: +1 (303) 342-1080
Installation of Franklin 6A-350-C1 or 6A-350-C2 engines, Hartzell HC-C2YF-1BF/F8459-4 to -8, HC-C2YF-1BF/F8459A-4Q to -8Q, or McCauley 2A31C21/84S-4 to -8 propellers.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA293NWStatus: CurrentApp Date: 03/01/1976Rev Date: 04/21/2011
TC Nos.: 3A12, 3A17, A-799,
Models:
Cessna Aircraft Company:
170A, 170B, 172, 172A, 172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P, 175, 175A, 175B, 175C
ACO: AIR-770: West Certification Branch DEN
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.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA313NWStatus: CurrentApp Date: Rev Date: 11/19/1999
TC Nos.: A-767,
Models:
Univair Aircraft Corporation:
108-1, 108-2, 108-3
ACO: AIR-770: West Certification Branch DEN
Installation of Franklin 6A-350-C1 or 6A-350-C2 engine, Hartzell HC-C2YF-1BF/ F8459-4 to -8 propeller, Hartzell HC-C2YF-1BF/F8459A-40 to -80, or McCauley 2A31C21/84S-4 to -8 propeller.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA340NWStatus: CurrentApp Date: 05/26/1979Rev Date: 04/08/1999
TC Nos.: 3A12,
Models:
Cessna Aircraft Company:
172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P
ACO: AIR-770: West Certification Branch DEN
Installation of Franklin 6A-350-C1 or 6A-350-C2 engine, McCauley2A31C21/84S-6 or Hartzell HC- C2YF-1BF/F8459 series propellers.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA3872NMStatus: CurrentApp Date: 03/30/1987Rev Date: 05/25/2022
TC Nos.: 1A15,
Models:
Piper Aircraft Inc.:
PA-24-260
ACO: AIR-770: West Certification Branch DEN
Installation of an AVCO Lycoming IO-540-R1A5 engine as modified per STC No. SE3873NM for the addition of induction air intercoolers.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524
Contact us to have your company added here!
STC No.: SA4014NMStatus: CurrentApp Date: 12/08/1986Rev Date: 05/25/2022
TC Nos.: 1A15,
Models:
Piper Aircraft, Inc., The New:
PA-24-260
ACO: AIR-770: West Certification Branch DEN
Installation of a McCauley Model B3D32C412/82NDA propeller.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA511NWStatus: CurrentApp Date: Rev Date: 11/19/1999
TC Nos.: A-767,
Models:
Univair Aircraft Corporation:
108-3
ACO: AIR-770: West Certification Branch DEN
Installation of Franklin 6AS-350-A and 6AS-350-A1 engines, AiResearch TE-0657 turbosupercharger system, and Hartzel HC-C2YF-1BF/F8459A-4 to -8 and HC-C2YF-1BF/F8459A-4Q to -8Q propellers.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA586NWStatus: CurrentApp Date: 03/10/1978Rev Date: 04/09/1999
TC Nos.: 3A17,
Models:
Cessna Aircraft Company:
175, 175A, 175B, 175C
ACO: AIR-770: West Certification Branch DEN
Installation of a Franklin 6AS-350-A and -A1 engine.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA599WEStatus: CurrentApp Date: Rev Date: 03/07/2001
TC Nos.: A-773,
Models:
Bellanca Aircraft Corporation:
14-13, 14-13 Series, 14-13-2, 14-13-3, 14-13-3W
ACO: AIR-770: West Certification Branch DEN
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.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA637NWStatus: CurrentApp Date: 03/13/1978Rev Date: 05/25/2022
TC Nos.: 3A12, 3A17, 3A23, A-767, A-799,
Models:
Maule Aerospace Technology Inc.:
M-4-180C, M-4-180S, M-4-180T, M-4-220, M-4-220C, M-4-220S, M-4-220T, M-5-220C
Textron Aviation Inc.:
170B, 172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 175, 175A, 175B, 175C
Univair Aircraft Corporation:
108, 108-1, 108-2, 108-3
ACO: AIR-770: West Certification Branch DEN
Installation of oil filter kit
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SA906NWStatus: CurrentApp Date: 01/29/1980Rev Date: 05/25/2022
TC Nos.: 3A23, A-767,
Models:
Maule Aerospace Technology Inc.:
M-4-220C
Univair Aircraft Corporation:
108, 108-1, 108-2, 108-3
ACO: AIR-770: West Certification Branch DEN
Installation of additional Harrison oil cooler and associated systems.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SE3873NMStatus: CurrentApp Date: 03/30/1987Rev Date: 05/25/2022
TC Nos.: 1E4,
Models:
Textron Lycoming AVCO Corporation:
IO-540-R1A5
ACO: AIR-770: West Certification Branch DEN
Installation of two AiResearch induction air intercoolers.
STC Holder: Franklin Aircraft Engines Inc.
Address: 136 Racquette Drive, Fort Collins, CO 80524, United States
Contact us to have your company added here!
STC No.: SE4178NMStatus: CurrentApp Date: 10/10/1986Rev Date: 05/25/2022
TC Nos.: E-238, E-244, E18EA, E9EA,
Models:
Franklin Sp. z.o.o.:
6A-335-B, 6A-335-B1A, 6A-350-C1, 6A-350-C2, 6A4-150-B3, 6A4-165-B3, 6AS-350-A, 6AS-350-A1
ACO: AIR-770: West Certification Branch DEN
Installation of oil filter kit