STC SA1863NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA18631M This certificate issued to: Gulfstream Aerospace Corporation Purt 25* of the Federal. Aviation Regulations: (*See continuation sheet for certification basis) Original Product - Type bertificato Number: AI2EA Make: Gulfstream Aerospace Model: G-1159A Description of Type Design Change: Installation of dual COllins EFIS-85 ElectronIc Flight Instrument Systems in accordance with AiResearch Data Index List No. IL 1101969, Revision "F", dated June 23, 1983 or later FAA sealed revision.

The appropriate FAA approved AiResearch Aviation Co. Airplane Flight Manual Supplement, as defined on the Data Index List, is required as part of this modification, or later FAA approved revisions.

Limitations and Conditions: The approval of this change in type design applies basically to Gulfstream American Model G-1159A airplanes only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. (See continuation sheet)

The FAA will reissue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code ) from (Name of grantor) (Print or type).

(Address of grantor) (Number and street) ( City, State, and ZIP code ) Extent of Authority (if licensing agreement):

Signature of grantor (In ink): _

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA1863 1M Date of Issuance: June 24, 1983 Date Amended: September 14, 1984 Certification Basis The certification basis for this modification is as follows:

FAR 25.1301 FAR 25.1303 FAR 25.1309 FAR 25.1321 Amendment 25-41 FAR 25.1333 FAR 25.1335 in addition to the basic requirements called out on T.C. Data Sheet NO. AIZEA.

Limitations and Conditions: (continued) Each airplane must have an independent third attitude indicator meeting the requirements of FAR Part 121.305(j), installed and operating.

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

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