# STC SA90GL

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Northwest Airlines Inc
- Description: Installation of Bendix GPW-83 ground proximity warning system. (747SP SERIES -151) (747-2J9F)
- Status date: September 20, 1983
- Data sheets: A20WE, A20WE
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7532705A0883F7D685256CC20058EA35.0001
- Page: https://openairdocs.org/stc/SA90GL

## ADs that name it

None.

## Approved models (2)

- The Boeing Company 747 (TCDS A20WE)
- The Boeing Company 747SP Series (TCDS A20WE)

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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.