# STC SA2811SO

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: GTE Airfone Incorporated, United States
- Description: Installation of an air to ground public telephone communication system (Seatfone).
- Applied: June 12, 1990
- Status date: October 17, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E0B525C633D3901C86256CE0005A54C7.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2811SO

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-8-62 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))

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