# STC SA3209WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: AiResearch Aivation Service Co, United States
- Description: Installation of Collins AP-105 autopilot and FD-109 flight director.
- Status date: July 16, 1976
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A15](https://openairdocs.org/tcds/2A15)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5CD921B56AF18A4E85256CC2000A9548.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3209WE

## ADs that name it (0)

None.

## Approved models (3)

- Lockheed Aircraft Corporation 1329-23A ([TCDS 2A15](https://openairdocs.org/tcds/2A15))
- Lockheed Aircraft Corporation 1329-23D ([TCDS 2A15](https://openairdocs.org/tcds/2A15))
- Lockheed Aircraft Corporation 1329-23E ([TCDS 2A15](https://openairdocs.org/tcds/2A15))

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