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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.

12
listed Current at snapshot
58
aircraft directories
3
modification categories
May 25, 2022
latest recorded revision

Modification mix

Engine and powerplant6
Other aircraft modifications5
Propellers1

Aircraft represented

Cessna Aircraft 172154 STCsCessna Aircraft 172K147 STCsCessna Aircraft 172D146 STCsCessna Aircraft 172E146 STCsCessna Aircraft 172M146 STCsCessna Aircraft 172I145 STCsCessna Aircraft 172N145 STCsCessna Aircraft 172G142 STCsCessna Aircraft 172L141 STCsCessna Aircraft 172B140 STCsCessna Aircraft 172C140 STCsCessna Aircraft 172A138 STCsCessna Aircraft 172P133 STCsCessna Aircraft 172F (USAF T-41A)132 STCsCessna Aircraft 172H (USAF T-41A)122 STCsCessna Aircraft 170B80 STCsCessna Aircraft 17576 STCsCessna Aircraft 170A67 STCsCessna Aircraft 175A64 STCsCessna Aircraft 175B64 STCs

Recently revised records

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

SA293NWOther aircraft modifications

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.

FAA holder: Franklin Aircraft Engines Inc.

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