STC SA1504SW

Bepartmcnt of Transportation — jftderal SUnation administration Supplemental t^pe Certificate SA15Q4SW

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Century Flight Systems, Inc P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 23 Federal Aviation A11SO, A12SO Aero Commander 111, 112 Installation of Mitchell Automatic Flight System Model' AK3621 consisting of Ce'ntury III Autopilot with optional Command/Electric Pitch Trim, optional Radio Coupler and Glide Slope Coupler according to Bulletin No. 481, Revision (3) dated 5-9-73 and Master Drawing List 87A608 Revision B, dated 8-30-72. Installation of Mitchell Radio Coupler Model 1C388-3 according to Bulletin No. 611, Revision (1) dated 4-16-74 and Master Drawing List 87A708, Revision A, dated 4-16-74.

FAA Approved Airplane Flight Manual Supplement dated 8-30-72 is required for Aero Commander Model 111; Supplement dated 8-30-72 is required for Aero Commander Model 112; Supplement P/N 68S167 dated 4-16-74 is required for Mitchell Radio Coupler Model 1C388-3.

°ther approved modifications : July 12, 1972 August 30, 1972 y«6 ***.,„/ 4-16-74; 7-10-84, Revision 2 f, . / , '$u di'i*rji*-i< ^*/Af .^-Mfni Don P. Watson (S,gnalu,t) Manager, Aircraft Certification Division Southwest Region (Ttllt)

This certificate may be ttaiafirrtd it accoidanct uiilh F-AR 21.17.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) umttfJ and street) (City, SlaU, anet ftp lodt) from (Name of grantor) (Print or type) (Address of grantor) iumbrr artel strttfj (City, Stall, anil ^IP unit I Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

C FAA AC 69-SS36