# STC SA1117WE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Potter Aircraft Svc Inc, United States
- Description: Wing flap operated aural warning system.
- Status date: July 19, 1966
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-762](https://openairdocs.org/tcds/A-762)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9971D13632E503D085256CC10080DE44.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1117WE

## ADs that name it (0)

None.

## Approved models (2)

- McDonnell Douglas Corporation C54-DC (Navy R5D) ([TCDS A-762](https://openairdocs.org/tcds/A-762))
- McDonnell Douglas Corporation DC-4 ([TCDS A-762](https://openairdocs.org/tcds/A-762))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.