STC SA3003SW-D

Btpartment of ^transportation -federal aoiation administration Supplemental t:uje Certificate <SI fbtuArud •M SA3003SW-D jAamna t Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 3 ^d^e, Ciyil Air 1A10 PA-23-250 and PA-E23-250 riai ;

Installation of Mitchell Automatic Flight System Model AK477 consisting of a Century IV Autopilot or AK477FD consisting of a Century IV Flight Director with Optional Remote Annunciator according to Bulleting No, 598, Revision 5, dated 4-20-79 and Master Drawing List No, 87A720, Revision E, dated 4-20-79 (14 Volt System) and/or later FAA Approved Revisions of the above data.

Eligible on Piper Models PA-23-250 and PA-E23-250, S/N 27-3944 and Up and the above models when modified in accordance with STC SA909WE (Turbocharged Engine) FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S177-3-S, dated 9-27-77 is required and/or later FAA Approved Revisions of the above Supplement Placard, P/N 13A660 is required.

°ther Piously approved modifications — &**&* w * *&- & &**: 5-29-74 »&~** — /: 10-25-74; 8-20-76; 9-27-77;

4-25-79, 8-1-84, Revision 5 P. Watson Manager, Aircraft Certification Division Southwest Region (Title)

Tfin artificatf may be Iramfrned in oftordanct with 1-AR21.17, FAA Few II1O-1110-AI)

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