# STC SA577CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Trans World Airlines Inc
- Description: Replace Bendix type 15866, 15897 and 19903 vertical gyros with Bendix type 19911 or 19912 vertical gyros. (707-124) (707-331)
- Status date: January 1, 1960
- Data sheets: 4A21, 4A26
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CD3CB375038487F3862570D100719C64.0001
- Page: https://openairdocs.org/stc/SA577CE

## ADs that name it

None.

## Approved models (2)

- The Boeing Company 707 (TCDS 4A21)
- The Boeing Company 707 (TCDS 4A26)

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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.