# STC SA1220CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of Collins FD-109Z Flight Director
- Applied: April 26, 1976
- Status date: June 22, 1990
- Product: Aircraft, Small/Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/a1/6c/a16cf968fddb5a0f6b70897c1c314b1a61cc90165919d8331b54426f8645b3a3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9A7821BCD0E01A9F862581C9006AA0C5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1220CE

## ADs that name it (0)

None.

## Approved models (1)

- Learjet Inc. 35 ([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/a1/6c/a16cf968fddb5a0f6b70897c1c314b1a61cc90165919d8331b54426f8645b3a3)

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