# STC SA8603SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Adees Inc, United States
- Description: Installation of a single channel Honeywell/Racal satellite communi- cation system and provisions for inflight phone.
- Status date: February 26, 1993
- 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/7ADD64AA194FD65685256CC20058E857.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA8603SW

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 747-300 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.