# STC SA1531GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Masten Products Inc, United States
- Description: Installation of on-board engine analyzer system.
- Status date: October 25, 1990
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A15](https://openairdocs.org/tcds/1A15)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/833EC17D52B0C99C85256CC1008212C2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1531GL

## ADs that name it (0)

None.

## Approved models (4)

- The New Piper Aircraft Inc. PA-24 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- The New Piper Aircraft Inc. PA-24-250 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- The New Piper Aircraft Inc. PA-24-260 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- The New Piper Aircraft Inc. PA-24-400 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))

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