# STC SA3854WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Transinternational Airlines, United States
- Description: Installation of Tracor 7640A ONS.
- Status date: March 21, 1979
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AB140FF39591217785256CC2000C5B08.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3854WE

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-8-63 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))

---
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.