# STC ST09372SC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aircraft Systems & Mfg, United States
- Description: Installation of dual AlliedSignal GNS-XLS flight management system with GPS.
- Status date: August 23, 1997
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5996E20D56912C1585256CC300035E06.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST09372SC

## ADs that name it (0)

None.

## Approved models (4)

- McDonnell Douglas Corporation DC-9-81 (MD-81) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-82 (MD-82) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-83 (MD-83) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-87 (MD-87) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

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