# STC SA1211CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of a single Sperry C-12 gyro compass system.
- Applied: April 5, 1976
- Status date: June 22, 1990
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/7f/ad/7fad7f308f29c17819ac47438c85bb0ae0c1c1578e9e05d91609ae1d36f062fd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BD4E022CD2C9CE4885256CC10080E00D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1211CE

## 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))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- June 22, 1990: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7f/ad/7fad7f308f29c17819ac47438c85bb0ae0c1c1578e9e05d91609ae1d36f062fd)

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