# STC SA4-85

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Brunton F K, United States
- Description: Manually operated landing gear locks.
- Status date: January 1, 1960
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-734](https://openairdocs.org/tcds/A-734)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/813A7060A4D66A7286256CDA007212E9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-85

## ADs that name it (0)

None.

## Approved models (3)

- Gulfstream Aerospace Corporation G-44 Series ([TCDS A-734](https://openairdocs.org/tcds/A-734))
- Gulfstream Aerospace Corporation G-44A ([TCDS A-734](https://openairdocs.org/tcds/A-734))
- Gulfstream Aerospace Corporation Scan Type 30 ([TCDS A-734](https://openairdocs.org/tcds/A-734))

---
From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.