# STC SA680CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Trans World Airlines Inc
- Description: Modify the A.C. essential bus power source circuitry to provide automatic transfer. (707-124) (707-331)
- Status date: July 1, 1973
- Data sheets: 4A21, 4A26
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F9EFD0B00413A02085256CC20056A022.0001
- Page: https://openairdocs.org/stc/SA680CE

## 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.