# STC SA247CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Trans World Airlines Inc, United States
- Description: Autopilot variable angle intercept.
- Status date: January 1, 1960
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A21](https://openairdocs.org/tcds/4A21), [TCDS 4A26](https://openairdocs.org/tcds/4A26)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B8C71A41771DC2F1862570C9005FD2AA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA247CE

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 707 Series ([TCDS 4A21](https://openairdocs.org/tcds/4A21))
- The Boeing Company 707 Series ([TCDS 4A26](https://openairdocs.org/tcds/4A26))

---
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.
