# STC SA4-1399

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Cooper Engineering Corporation, United States
- Description: Ceconite 101 covering of all fabric-covered surfaces.
- Status date: January 1, 1960
- 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/EFAC9F83D7345702862570CF00777FD9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-1399

## ADs that name it (0)

None.

## Approved models (2)

- McDonnell Douglas Corporation C54-DC Series ([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.