# STC SA1217CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of dual Sperry C-6E gyrosyn compass indicators.
- Applied: April 26, 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/f2/17/f217f1d5ded2de9ca83261e52a448a29196c79fd2425ca310297255375f1cac7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0328BD4A53B544D285256CC10080E026.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1217CE

## 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/f2/17/f217f1d5ded2de9ca83261e52a448a29196c79fd2425ca310297255375f1cac7)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.