STC SA3425SW-D

United £tatt5 or amtrica Bepartmcnt of transportation—federal aoiation administration Supplemental t^pe Certificate *sbu?n<vev SA3425SW-D Century Flight Systems, Inc..

P.O. Box 610 Mineral Wells, Texas 76067 nM ^w Jfa J^fadeA^n^^J/i^^ 3 d^&t Civil Air Ckiat-neU \JtwcUicS' —— ^yfa~(^i^<ftfa&<^'Ui-rn6e^: 3A12 Cessna 172D, 172E, 172F, 172G, 172H, 172I, 172K, 172L, 172M, and 172N Installation of Century Automatic Flight System Model AK928 consisting of a Century 31 Autopilot according to Bulletin No. 1058 dated 6-7-84 and Master Drawing List No. 87A1137 dated 6-7-84, or later FAA approved revision.

Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement dated 8-16-84 (P/N 68S969 is required.

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

;tci^n4*ia£0^ SXc£ru0i4&foa&>r-d October 23, 1984 October 23, 1984 (Signature) DAS Staff Coordinator DAS7SW (Titlt)

FAA Few I110-2 (10-68)

,NSTRUCTIONS: The transfer endorsement be.ow may be used to notify the appropriate FAA Region.. Office of the transfer of this Supplemental Type Certificate.

The FAA will reissue the certified in the name of the transferee and forward it <o him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of'transferee)_ (Address of transferee). tMumttr mrui ttrtet) (Ciy. State, from (Name of grantor) (Print or type).

(Address of grantor) __ (Xitmkf Extent of Authority (if licensing agreement):

Signature of grantor (In ink):