# STC SH169WE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Lear Avia Corporation, United States
- Description: Installation of exhaust muffler assembly.
- Status date: January 31, 1975
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H-1](https://openairdocs.org/tcds/H-1)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2F5E09435026566985256CC2005C2EEC.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH169WE

## ADs that name it (0)

None.

## Approved models (7)

- Bell Helicopter Textron 47B ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47B3 ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47D1 Series ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47E (Navy HTL-3) ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47G Series ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47G-2 (USAF H-13H) ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47H-1 ([TCDS H-1](https://openairdocs.org/tcds/H-1))

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