# STC SA1539GL

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Masten Products Inc, United States
- Description: Installation of on-board engine analyzer system.
- Status date: November 26, 1990
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A23CE](https://openairdocs.org/tcds/A23CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/73CAD8296A9411A985256CC1008212E9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1539GL

## ADs that name it (0)

None.

## Approved models (2)

- Raytheon Aircraft Company 58P ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))
- Raytheon Aircraft Company 58PA ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))

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