# STC ST851SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Eastern Airlines, Inc
- Description: Installation of Sundstrand ground proximity warning system.
- Status date: August 7, 1975
- Data sheets: A23WE
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C8B1E1E296830FD885256CC3000374B0.0001
- Page: https://openairdocs.org/stc/ST851SO

## ADs that name it

None.

## Approved models (1)

- Lockheed Aircraft Corporation L-1011-385-1 (TCDS A23WE)

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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.