# STC SA1-578

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Flight Enterprises Intl Aircraft Svcs Inc., United States
- Description: Cabin smoke detector system for cargo operation.
- Status date: January 1, 1960
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-763](https://openairdocs.org/tcds/A-763)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DED1A3CF374E50A0862570BD00578E55.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1-578

## ADs that name it (0)

None.

## Approved models (1)

- Lockheed Aircraft Corporation 749A-79 ([TCDS A-763](https://openairdocs.org/tcds/A-763))

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