# STC SA4597NM-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of provisions for Honeywell TCAS/Mode S/VSI/ TRA system.
- Applied: December 26, 1990
- Status date: May 7, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-817](https://openairdocs.org/tcds/A-817)
- Certificate PDF: https://openairdocs.org/files/sha256/05/19/05196d49b500ee4d9deb51d5af4ec70dc18f28e9a09523865c93b86df3779ca1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7A0ABBC6B8EC8DA885256CC2000E3D6B.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4597NM-D

## ADs that name it (0)

None.

## Approved models (4)

- Fokker Services F.27 Mark 200 ([TCDS A-817](https://openairdocs.org/tcds/A-817))
- Fokker Services F.27 Mark 400 ([TCDS A-817](https://openairdocs.org/tcds/A-817))
- Fokker Services F.27 Mark 500 ([TCDS A-817](https://openairdocs.org/tcds/A-817))
- Fokker Services F.27 Mark 600 ([TCDS A-817](https://openairdocs.org/tcds/A-817))

## 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: SA4597NM-D This certificate issued to:

Learjet Inc.

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

Original Product --Type Certificate Number: A-817 Make: Fokker Aircraft B.V.

Model: F-27 Mark 200, 400, 500, 600 Description of Type Design Change:

Installation of provisions for Honeywell TCAS/Mode S/SI/TRA System in accordance with AMR Combs, Inc. Drawing List DL 28342, revision N/C, dated May 22, 1991, or later FAA approved revision.

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 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

Date of Application: December 26, 1990 Date Reissued: January 4, 1995 May 7, 2002 Date of Issuance: May 29, 1991 Date Amended: November 5, 1991 FEDERAL AVIATION By Direction of the Administrator (Signature) David T. Grossman Program Manager Denver Aircraft Certification Office.

TOMINSTRATO Northwest Mountain Region, Denver, Colorado (Title)

47.

## Every issue (1)

- May 7, 2002: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/05/19/05196d49b500ee4d9deb51d5af4ec70dc18f28e9a09523865c93b86df3779ca1)

---
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.