# STC SA4587NM-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of cockpit pedestal extension.
- Applied: June 23, 1989
- Status date: May 7, 2002
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE)
- Certificate PDF: https://openairdocs.org/files/sha256/2d/c9/2dc9edc0b1f46259c1b8ed38c7dbb7f87b6df66f6e035c323dc892b7dd3f854d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EF21607BDBF352C585256CC2000E3D54.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4587NM-D

## ADs that name it (0)

None.

## Approved models (4)

- The Cessna Aircraft Company 500 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))
- The Cessna Aircraft Company 550 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))
- The Cessna Aircraft Company 552 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))
- The Cessna Aircraft Company S550 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))

## 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: SA4587NM-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: A22CE Make: Cessna Model: 500, 550, S550, 552 Description of Type Design Change:

Installation of Cockpit Pedestal Extension in accordance with AMR Combs, Inc. Drawing List DL 78848, revision N/C, dated August 20, 1989, 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 that aircraft.

Date of Application: June 23, 1989 Date Reissued: January 4, 1995 May 7, 2002 Date of Issuance: September 11, 1989 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Da T (Signature) David T. Grossman Program Manager Denver Aircraft Certification Office.

TOMINISTRATO Northwest Mountain Region, Denver, Colorado (Title)

FAA FORM 8110-2 (10-68) ificate may be transferred in acc dance with FAR 21.4

## Every issue (1)

- May 7, 2002: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/2d/c9/2dc9edc0b1f46259c1b8ed38c7dbb7f87b6df66f6e035c323dc892b7dd3f854d)

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