# STC SA2539CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Astra Jet Corporation, United States
- Description: Install Collins APS-85 Autopilot systems.
- Status date: December 29, 1989
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A16NM](https://openairdocs.org/tcds/A16NM)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5C0272FB747E2C0B85256CCB00601884.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2539CE

## ADs that name it (0)

None.

## Approved models (1)

- Israel Aircraft Industries Ltd. 1125 Westwind Astra ([TCDS A16NM](https://openairdocs.org/tcds/A16NM))

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