# STC SA494CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Trans World Airlines Inc
- Description: Installation of dual doppler navigation systems with autopilot tie-in.
- Status date: January 1, 1960
- Data sheets: 4A21
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9C069AFC8877E284862570D10065AB14.0001
- Page: https://openairdocs.org/stc/SA494CE

## ADs that name it

None.

## Approved models (1)

- The Boeing Company 707 Series (TCDS 4A21)

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