# STC SA559CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Trans World Airlines Inc, United States
- Description: Installation of a single SCAT system. (727-180C)
- Status date: August 11, 1975
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F97DDEAC36AE305C85256CC200122A16.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA559CE

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 727 ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

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