# STC ST09123SC

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Keith Products Inc, United States
- Description: Installation of an electric-driven vapor cycle air conditioning system.
- Status date: January 27, 1997
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BB8B553CF3E852D785256CC300035D9A.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST09123SC

## ADs that name it (0)

None.

## Approved models (2)

- Learjet Inc. Learjet 31 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 31A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))

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