STC SA5389SW-D

Writed Starts of Sinnice Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA538954-0 This certificate issued to: . S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 Fard 10 of the Civil Air Regulatuns Original Product - Type tiertificate Aumber A-806 Make DEHAVILLAND Mudel DHC -2 MK. I Description of Type Design Change: .

Installation of S-TEC Manual Electric Trim System, Model ST-282, according to Bulletin No. 382, Revision 1, dated 4-17-85 and Master Drawing List No. 92320, Revision A, dated 4-17-85 and/or later FAA Approved revisions of the above data (28 Volt System).

1, Eligible on DeHavilland DHC-2 MK, I in Landplane, Floatplane or Amphibian Configuration.

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89599-1, dated 4-25-85 is required and/or later FAA Approved revisions of the above supplement.

3. Compatability of this modification with other previously approved modifications must be determined by the installer.

Date of Application: 3-13-85 Date Reissued: 4-25-85, Revision 1 Date of Issuance: 3-25-85 Date Amended:

DERAL AVIATIO By Direction of the Administrator (Signature) COMINISTRAIO DAS Staff Coordinator, DAS 5 SN Harold W. Holdeman (Title)

47.

FAX FORM 8110-2 (10-68)

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 streel) ( City, State, and ZIP code ) Extent of Authority (if licensing agreement):

Date of Transfer: _ Signature of grantor (In ink):.

U.S. GOVERNMENT PRINTING OFFICE : 1966 OF-205-579