STC SA7788SW-D

Brind Sams a 2 ma Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA7788SW-D This certificate issued to: S-TEC Corporation 946 Pegram Mineral Wells, Texas 76067 Port 3 of the CiVil Air Regulations Original Product -Type Contificater Numbon: AICE Make: CESSNA Model: 414А and 421С Description of Type Design Change:

Installation of S-TEC Yaw Damper System, Model ST-401, according to Bulletin No.

501, Revision 1, dated 4-05-95 and Master Drawing List No. 92532, Revision A, dated 4-05-95 or later FAA Approved revisions of the above data (28 Volt System).

1. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 89907, dated 1-23-91 is required for Cessna Model 414A or later FAA Approved revisions of the above supplement.

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

Thomas DAS Statt Coordinator, DAS S Sw (Title) 17 PAR FOR 8110-2 (10-68)

Aniced Stares of Suerica Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA77885W-D, Revision 1 Limitations and Conditions: (con't.)

2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891162, dated 4-25-95 is required for Cessna Model 421C or later FAA Approved revisions of the above supplement.

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

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