STC SA5604NM-D

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA5604NM-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 Aircraft Company Model: 550 Description of Type Design Change:

Installation of a Honeywell EDZ-605 Electronic Flight Instrument System (EFIS) with Multi-function Display (MFD) and LSZ-850 Lightning Sensor System in accordance with AMR Combs, Inc. Drawing List DL7500110, revision N/C, dated January 10, 1992, or later approved revision.

1. FAA approved Airplane Flight Manual Supplement, for EDZ-605 EFIS System, dated January 11, 1992, or later FAA approved revision is required.

2. FAA approved Airplane Flight Manual Supplement, for LSZ-850 Lightning Sensor System, dated January 11, 1992, or later FAA approved revision is required.

3. 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: October 30, 1991 Date Reissued: January 4, 1995 May 7, 2002 Date of Issuance: January 11, 1992 Date Amended:

FEDERAL AVIATION By Direction of the Administrator (Signature) * David T. Grossman Program Manager TOMINSTRATO Denver Aircraft Certification Office. Northwest Mountain Region, Denver, Colorado (Title)