# STC SA1-545

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: R H Haynes, Inc, United States
- Description: External electrical power receptacle.
- Status date: October 15, 1974
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A17](https://openairdocs.org/tcds/3A17), [TCDS A-799](https://openairdocs.org/tcds/A-799)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4DEB97148EF4C01885256CCB00601826.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1-545

## ADs that name it (0)

None.

## Approved models (5)

- The Cessna Aircraft Company 170 ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- The Cessna Aircraft Company 170A ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- The Cessna Aircraft Company 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- The Cessna Aircraft Company 172 Series ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 175 Series ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

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