# STC SA299CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Trans World Airlines Inc, United States
- Description: 1-70071 auto thrust servo assembly provisions.
- 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/00593FEEB54E89B7862570C9007A690D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA299CE

## 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))

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.