# STC SA1293GL

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: GTE Airfone Incorporated, United States
- Description: Installation of an Air-to-Ground Public Telephone Communication System.
- Applied: October 19, 1987
- Status date: October 1, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2CFC5CEE6A7EA45886256CE0005931FF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1293GL

## ADs that name it (0)

None.

## Approved models (3)

- The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747SP Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

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