# STC ST00019DE-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc., United States
- Description: Replacement of N1, N2 and/or ITT engine indicators with Litton Special Devices engine indicators.
- Status date: January 4, 1995
- 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/B61AF30858006D4C85256CC2006A6F47.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00019DE-D

## ADs that name it (0)

None.

## Approved models (4)

- Learjet Inc. Learjet 35 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 35A (C-21A) ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 36 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 36A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))

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