# STC SA4-776

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Alcan Airways, United States
- Description: Replacement of fabric on trailing edge of wing with sheet metal.
- Status date: January 1, 1960
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: TCDS 785
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6A208E552CE80965862570D00077D65E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-776

## ADs that name it (0)

None.

## Approved models (1)

- General Dynamics Corporation 28-5ACF (TCDS 785)

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