# STC SA206NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Franklin Aircraft Engines Inc., United States
- Description: 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
- Status date: April 9, 1999
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BBD3D41C80F8523985256CC10083D5DD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA206NW

## ADs that name it (0)

None.

## Approved models (11)

- The Cessna Aircraft Company 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.