# STC SA1253CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of the Delco Carousel IV-A Inertial Navigation System
- Applied: July 22, 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/sha256/06/a7/06a739f0ec9875930b3516825342dcb3f687794c4b3d9796d36c6a49128a023a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0A360AE040ED4E20862581C9006AA0D6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1253CE

## ADs that name it (0)

None.

## Approved models (1)

- Learjet Inc. 35A (C-21A) ([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/sha256/06/a7/06a739f0ec9875930b3516825342dcb3f687794c4b3d9796d36c6a49128a023a)

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