# STC SA251GL

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: American Trans Air
- Description: Installation of Canadian Marconi Model CMA-740 Omega/VLF navigation system. (720-025)
- Status date: December 29, 1978
- Data sheets: 4A28
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C9285A1976869CC085256CC200015F44.0001
- Page: https://openairdocs.org/stc/SA251GL

## ADs that name it

None.

## Approved models (1)

- The Boeing Company 720 (TCDS 4A28)

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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.