# STC SA1689CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Avcon Industries Inc, United States
- Description: Installation of radar equipment console on seat rails.
- Status date: November 5, 1981
- 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/172FEE968AD2939D85256CC10083CED5.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1689CE

## 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))

---
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.