# STC SA656EA

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Butler Aviation-Friendship Inc, United States
- Description: Cabin and cockpit interior installation including seating for eleven passengers.
- Status date: September 30, 1971
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A16EU](https://openairdocs.org/tcds/A16EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5418F6D9A2A7E13385256CC200569FA0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA656EA

## ADs that name it (0)

None.

## Approved models (1)

- Dornier-Werke G.m.b.H. Do 28D-1 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))

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