# STC SA5207NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of Honeywell Mode S Transponder.
- Applied: February 14, 1991
- Status date: May 2, 2008
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A41EU](https://openairdocs.org/tcds/A41EU)
- Certificate PDF: https://openairdocs.org/files/sha256/79/68/796861d9f9b8cd8691cccccf7461f10139c4a6dbd3b899cc846406f52b6b45ed
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B71C4BD048FF67C2862574C8004695CC.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5207NM

## ADs that name it (0)

None.

## Approved models (1)

- Short Brothers PLC SD3-60 ([TCDS A41EU](https://openairdocs.org/tcds/A41EU))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA5207NM This certificate issued to:

Learjet Inc.

One Learjet Way Wichita, Kansas 67209 Part 21.29" of the Federal Aviation Pegulations Original Product Type Bertificate Number: AAIEU Make: Shorts Brothers Model: SD3-60 Description of Type Design Change:

Installation of Honeywell Mode S Transponder in accordance with AMR Combs, Inc., Drawing No 32864-604, revision N/C, FAA approved March 15, 1991, or later approved revision.

1. STC SA4596NM-D for the installation of provisions is required.

2. The approval of this change is type design applies to the above model aircraft only. This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and any previously approved modifications will not introduce any adverse effect upon the airworthiness of that aircraft. A copy of this certificate must be maintained as part of the permanent records for the modified aircraft.

Date of Application: February 14, 1991 Date Reissued: January 4, 1995, March 7, 2002, Date of Issuance: March March 1991 May 2, 2008 Date Amended:

EDERAL AVIATION (Sighature Grant Youngdahl, Learjet Program Manager TOMINSTRATO Wichita, Kansas (Title) 000, or imprisonment not exceeding 3 years, or both.

FAA FoRM 8110-2/10-681

## Every issue (1)

- May 2, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/79/68/796861d9f9b8cd8691cccccf7461f10139c4a6dbd3b899cc846406f52b6b45ed)

---
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.