# STC SA02549AT

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Power Flow Systems Inc, United States
- Description: Modification of engine exhaust system for improved engine performance.
- Applied: January 7, 2002
- Status date: January 9, 2003
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EA2DE06250F0FBBF86256D0A00672375.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02549AT

## ADs that name it (0)

None.

## Approved models (4)

- Mooney Aircraft Corporation M20B ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aircraft Corporation M20C ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aircraft Corporation M20D ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aircraft Corporation M20G ([TCDS 2A3](https://openairdocs.org/tcds/2A3))

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