# STC SA2577WE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Collins Aviation Service, United States
- Description: Installation of flight FCS-105 flight control system.
- Status date: August 14, 1978
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4BE0358799C72F4E85256CC200016001.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2577WE

## ADs that name it (0)

None.

## Approved models (3)

- Twin Commander Aircraft Corporation 690 ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 690A ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 690B ([TCDS 2A4](https://openairdocs.org/tcds/2A4))

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