# STC SA788WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Grand Valley Aircraft Inc, United States
- Description: Mixture monitor (exhaust gas temperature probe and gage). See FAA-approved eligibility list for models.
- Status date: January 1, 1960
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A17WE](https://openairdocs.org/tcds/A17WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5FB9EE7217C2BC13862570D20071DA40.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA788WE

## ADs that name it (0)

None.

## Approved models (1)

- Aerostar Aircraft Corporation PA-60 Series ([TCDS A17WE](https://openairdocs.org/tcds/A17WE))

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