STC ST00080SE

United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number ST00080SE

This certificate, issued to: Aviation Partners Incorporated 7299 Perimeter Road South Seattle, WA 98108-3806

cerifies that the change in the type design for the following product with the limitations and conditions therefore as specified hereon meets the airworthiness requirements of Part 25 of the Federal Aviation Regulations.

Original Product Type Certificate Number: A12EA Make: Gulfstream Aerospace Corporation Model: G-1159

Description of the Type Design Change: Installation of winglets, revised vortex generator shape, addition of 6 vortilons, removal of the wing fences, and related changes to the navigation/position lights. The manufacturing and installation of the components are to be accomplished in accordance with the FAA approved Aviation Partners Master Drawing List FAA077. Revision 2 or later FAA approved revision.

Limitations and Conditions: The limitations and conditions of Type Certificate TC A12EA apply except as outlined in Pages 2 and 3 of this STC. A copy of this Certificate must be included in the permanent records of each aircraft modified in accordance with this STC. Approval of this change in type design applies to the Gulfstream G-1159 (GII) aircraft that are otherwise unmodified. (See Continuation Sheet).

Limitations and Conditions continued on page 3.

This certificate and the supporting data which are the basis for approval shall remain in effect until surrendered, suspended, revoked, or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application: May 1, 1990 Date reissued: April 20, 2010 Date of issuance: April 22, 1994 Date amended: November 2, 1994 November 29, 1994 ne 30 2009

FAA FORM 8110-2-1 (10-69)

United States of America By direction of the Administrator Original Signed by Victor W. Wicklund

(Signature)

Acting Manager, Seattle Aircraft Certification Office (Title)

Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number ST00080SE

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

Engines: 2 Rolls Royce Spey RB (163-25) 511-8 Type E2EU

Airspeed Limits: V mo = 340 CAS/Mmo = 0.85

For other airspeed limits, see the FAA approved Flight Manual.

C.G. Range: See Type Cert ificate Data Sheet A12EA.

Maximum Weights: See Type Ce rtificate Data Sheet A12EA.

Eligible Serial Numbers: S/N 1 through 258, except not including S/N 249 and 252, and not including those aircraft modified by Aircraft Service Change 200 or 300.

Operational Requirements: The inspections and maintenance detailed in the Aviation Partners document AP-084-C, “Maintenance and Inspection document: GII Performance Enhancement System,” are essential to Gulfstream G-1159 (GII) aircraft modified in accordance with this STC.

The Federal Aviation Regulations (FAR) 21.50 requires that maintenance procedures for continued airworthiness (maintenance & inspection program), as applicable to this change in type design be made available to the U.S.

operators and their regulatory authority at the time the aircraft is returned to service.

FAA FORM 8110-2-1 (10-69)

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United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number ST00080SE

Certification Basis:

For unmodified systems and structures, the same as shown on Type Certificate Data Sheet A12EA for the Gulfstream G-1159 (GII). For new or extensively modified systems or structures, the same as shown on Type Certificate Data Sheet A12EA for the G-1159 except the following additional rules apply:

FEDERAL AVIATION REGULATION PART 25 – AIRWORTHINESS STANDARDS:

Part 25 Appendix G – Gust Loads Section 25.581, Amendment 25-23 – Lightning

Note 1: The airplane operation must be in accordance with the FAA approved Aviation Partners Airplane Flight Manual (AFM) Supplement AP-200. All placards required in either the FAA approved AFM Supplement, the applicable operating rules or the certification basis must be installed on the airplane

Note 2: Incorporation of this modification does not increase the noise level of the aircraft

Note 3: The service life of the wing is not increased due to the installation of winglets. The following parts are life limited in the Gulfstream GII maintenance manual and must be retired (scrapped) 20,000 flight hours after the installation of the part, not on the installation of the winglet:

Part Number

1159WM20000 Cover, Wing, Upper Forward Plank 1159WM20001 Cover, Wing, Upper Aft Plank 1159WM20002 Cover, Wing, Lower Forward Plank

Note 4: The service life of the winglet components is contained in Aviation Partners document AP-116-C, “G-II Winglet Fatigue Substantiation.”

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FAA FORM 8110-2-1 (10-69)

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