STC SA09349AC-D

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA09349AC-D This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Certifies that the change in the type design for the folloing froduct with the limitations and conditions therefer as specifted heron meet the aincorthiness tequiement of Fait 3 of the Eird dis Begulutions.

Original Product I ype Certifcate A uter: ASSW Make: Fairchild Aircraft Model: SA227-AT Description of Type Design Change:

Installation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems, Model ST-526-40/50, according to Bulletin No. 626, Revision 3, dated 4-16-99 and Master Drawing List No.

92681, Revision C, dated 4-16-99 or later FAA Approved revisions of the above data (28 Volt System).

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891682, dated 3-12-98 is required for Fairchild Aircraft Model SA227-AT for S-TEC System 40 or later FAA Approved revisions of the above supplement.

(See Continuation Sheet, Page 2, a part of this STC.)

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of Application: 3-10-98 Date Reissued:

Sate of ismance: 3-12-98 Date Amended: 4-21-99, Revision 1 By Direction of the Administrator FEDERA AVIATION (Signature) TOMNISTRATO Michael Keirnan DAS Staff Coordinator, DAS 5 SW (Title) 47

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number 5A09349AC-D, Revision 1 Limitations and Conditions: (con't.)

2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891683, dated 3-12-98 is required for Fairchild Aircraft Model SA227-AT for S-TEC System 50 or later FAA Approved revisions of the above supplement.

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891684S, dated 3-12-98 is required for Fairchild Aircraft Model SA227-AT for S-TEC System 50 WITH NO TRACK OPTION or later FAA Approved revisions of the above supplement.

4. Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891682, Revision 1, dated 4-21-99 is required for Fairchild Aircraft model SA227-AT for S-TEC System 40 or later FAA Approved revisions of the above supplement.

5. Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891683, Revision 1, dated 4-21-99 is required for Fairchild Aircraft model SA227-AT for S-TEC System 50 or later FAA Approved revisions of the above supplement.

G. Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891684S, Revision 1, dated 4-21-99 is required for Fairchild Aircraft model SA227-AT for S-TEC System 50 WITH NO TRACK OPTION or later FAA Approved revisions of the above supplement.

7. Compatibility of this modification with other previously approved modifications must be determined by the installer.

FAA Form 8110-2-1(10-69) Page 2 of 2

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 & street) (City, State, and 2IP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):