# STC SA4093NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of Honeywell TCAS II system
- Applied: November 29, 1989
- Status date: March 7, 2002
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A13NM](https://openairdocs.org/tcds/A13NM)
- Certificate PDF: https://openairdocs.org/files/sha256/c3/af/c3af32345764657b6828dee857bc4047c16911900046611a0dec15caf190b8e6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D4A1C68B2964799585256CC2000C60BC.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4093NM

## ADs that name it (0)

None.

## Approved models (2)

- Bombardier Inc. DHC-8-102 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- Bombardier Inc. DHC-8-103 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))

## What the certificate says

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

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA4093NM This certificate issued to: Learjet Inc.

One Learjet Way Wichita, KS 67209 Part 25 of the Federal Aviation Regulations.

Original Product -Type Berlificate Number: A13NM Make: Boeing Canada, de Havilland Division Model: DHC-8-102, -103 Description of Type Design Change:

Installation of Honeywell TCAS Il system in accordance with AMR Combs, Inc. Drawing No. 1703007, revision N/C, FAA approved October 23, 1990, or later approved revision.

1. STC SA4593NM-D for the installation of provisions is required

2. STC SA4091NM and SA4092NM for the installation of VSI/TRA displays and Mode S transponder are required.

3. FAA approved Airplane Flight Manual Supplement dated November 19, 1990, or later approved revision is required

4. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

5. Approval of this change in 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 that the interrelationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft.

6. A copy of this Certificate and FAA Approved Flight Manual Supplement, dated 11/19/90 or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

Date of Application: November 29, 1989 Date Reissued: January 4, 1995, March 7, 2002 Date of Issuance: November 19, 1990 Date Amended: September 29, 1998 AVIATION By Direction of the Administrator Cras David T. Grossman _ (Signature) Acting Manager TOMINIST FATION Northwest Mountain Region, Denver, Colorado Denver Aircraft Certification Office.

(Title)

## Every issue (1)

- March 7, 2002: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c3/af/c3af32345764657b6828dee857bc4047c16911900046611a0dec15caf190b8e6)

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