# STC SA5747SW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Wall Colmonoy Corp, United States
- Description: Manufacture of Wall Colmonoy muffler P/N PI M006 which is interchangeable with Piper P/N 12433-14 and 12433-15.
- Status date: April 22, 1985
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/901735F404C8BE4485256CC200122B22.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5747SW

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-18"105" (Special) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))

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