# STC SA503GL

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Gulfstream Aerospace Corporation
- Description: Installation of wiring changes to aircraft equipped with dual flight directors to prevent the uncoupled flight director system trim control switch (TCS) from disrupting the coupled flight director/autopilot operation.
- Status date: February 6, 1981
- Data sheets: A22CE, A22CE
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/000106864B57A53885256CC200122636.0001
- Page: https://openairdocs.org/stc/SA503GL

## ADs that name it

None.

## Approved models (2)

- The Cessna Aircraft Company 500 (TCDS A22CE)
- The Cessna Aircraft Company 550 (TCDS A22CE)

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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.