# STC SA1634CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Collins Aviation Service, United States
- Description: Installation of Collins 334D-6 electric pitch trim system.
- Status date: February 27, 1981
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A17](https://openairdocs.org/tcds/1A17)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E2998343974BEAD485256CC1008214C2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1634CE

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream Aerospace Corporation G-159 ([TCDS 1A17](https://openairdocs.org/tcds/1A17))

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