# STC SA523AL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sundstrand Data Control Inc
- Description: Installation of ground proximity warning system. (737-021)
- Status date: June 19, 1975
- Data sheets: A16WE
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8BD8208F112EBB0585256CC2001227C1.0001
- Page: https://openairdocs.org/stc/SA523AL

## ADs that name it

None.

## Approved models (1)

- The Boeing Company 737 (TCDS A16WE)

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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.