# STC SA22GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Hartzell Propeller, Inc, United States
- Description: Installation of Hartzell synchrophaser.
- Status date: August 27, 1973
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CC057EFE315C3C3F85256CC200015C3F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA22GL

## ADs that name it (0)

None.

## Approved models (8)

- Raytheon Aircraft Company 65 (L-23F) ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company 65-80 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company 65-A80 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company 65-A80-8800 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company 65-B80 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company 70 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company A65 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company A65-8200 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))

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