# STC ST00136DE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of Universal Navigation Corp UNS-1M navigation management system.
- Status date: March 7, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A31SO](https://openairdocs.org/tcds/A31SO)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/106F8C0AB7EFC36E85256CC2006A70B9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00136DE

## ADs that name it (0)

None.

## Approved models (2)

- Embraer - Empresa Brasileira de Aeronautica S.A. EMB-120ER ([TCDS A31SO](https://openairdocs.org/tcds/A31SO))
- Embraer - Empresa Brasileira de Aeronautica S.A. EMB-120RT ([TCDS A31SO](https://openairdocs.org/tcds/A31SO))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
