# STC SA686EA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Butler Aviation-Friendship Inc, United States
- Description: Installation of a Dual Collins 860E-2 DME.
- Status date: January 1, 1960
- 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/F1941E394F8B5F61862570D20051EE2C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA686EA

## ADs that name it (0)

None.

## Approved models (1)

- Dornier-Werke G.m.b.H. Do 228-100 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))

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