# STC ST00074WI

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Learjet Inc, United States
- Description: Installation of Mach Trim system, flight director system, and air data computer.
- Status date: June 16, 1993
- 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/5407A0E74D421F4E85256CC2006A6FE9.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00074WI

## ADs that name it (0)

None.

## Approved models (1)

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

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