# STC SA770EA

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Atlantic Aviation Corporation, United States
- Description: Installation of United Controls angle of attach system.
- Status date: December 18, 1969
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/44C93A4ACAD79B1C85256CC20056A44A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA770EA

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company DH.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

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