# STC SA604SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Avitas Engineering
- Description: Installation of a dual Collins FD-109 integrated flight system (Flight Director). (727-25)
- Status date: June 5, 1992
- Data sheets: A3WE
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F23E8F027DDFD39885256CC200569E29.0001
- Page: https://openairdocs.org/stc/SA604SO

## ADs that name it

None.

## Approved models (1)

- The Boeing Company 727 (TCDS A3WE)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.