# STC SA76SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Tom Roland, United States
- Description: Installation of Lycoming IGSO-540-A1A or -B1A engines with associated powerplant changes and increase gross weight to 7300 pounds takeoff and 7000 pounds landing.
- Status date: February 11, 1999
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 5A4](https://openairdocs.org/tcds/5A4)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4181DF6B774E4C2685256CC20056A447.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA76SW

## ADs that name it (2)

- [AD 79-01-02 R2](https://openairdocs.org/ad/79-01-02-R2): In-Flight Fires · Textron 65, 65-80, 65-88 and 17 more. Effective Sep 22, 1980. Cited in the text
- [AD 79-13-01](https://openairdocs.org/ad/79-13-01): Powerplant Fire Detection/Containment · Lycoming IGSO-540-A1A or -B1A engines (Tom Roland STC SA76SW). Effective Jul 5, 1979. Named in the applicability

## Approved models (11)

- Raytheon Aircraft Company C50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company D50 (L-23E) ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company D50A ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company D50B ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company D50C ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company D50E ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company E50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company F50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company G50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company H50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company J50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))

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