# STC ST00053DE-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of Collins TCAS-94 TCAS II system.
- Status date: May 7, 2002
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/969927B2F209D58985256CC2006A6FB2.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00053DE-D

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 550 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))

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