STC SA5489NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA5489NM This certificate issued to: Phoenix Aerospace, InC.

Part CAR 4b*of the Federal Aviatio Regulations. * (For Certification basis see T.C. Data Sheet A12EA) Original Product -Type Certificato Numben: AIZEA Make: Gulfstream Aerospace Model: G-1159 1010-24-2GA Voltage Regulator in Gulfstream Aerospace Model G-1159 aircraft Description of Type Design Change: Installation of a Phoenix Aerospace, Inc. P/N VR- serial numbers 1 through 300, except those aircraft with Aircraft Service Change 285 incorporated, in accordance with FAA approved Western Commander Engineering revisions. Report Number 9103-2, Revision "NEW", dated March 5, 1991, or later FAA approved Limitations and Conditions: This installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this change and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft.

Date of Application: September 4, 1991 J'ute reissurd: January 24, 1992 Date of Issuance: . October 30, 1991 Jale unended:

FEDERAL AVIATION By Direction of the Administrator Thenshi Manager, Los Angeres Aircraft TAMINISTRATO Certification Office (Title)

47.