STC SA3134SW-D

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA313454-D This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, TX 76067 Purt 3 of the CIVII Aix Regulations.

Original Product - Type berlificate Number 1A15 Make: Piper Model: PA-24-400 Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK593 consisting of Century III Autopilot with Optional Radio Coupler and Glide Slope Coupler according to Bulletin No. 717, dated 4-14-76 and Master Drawing List No. 87A853, dated 4-14-76.

FAA/DAS Approved Airplane Flight Manual Supplement, P/N 685368, dated 5-10-76 1s required.

Placard, P/N 13A660 is required.

Tist cat an the suppeting sate shich is the basis for appreval shull memain in effeet unlit sur Compatibility of this modification with other previously approved modifications rendered, suspended, revoked, or a lermination date is otherwise es lablished by the Adminis brab a sf the Federal Aviation Administration .

Date of Application: 4-15-76 Jule missue: 6-05-84, Revision 1 Date of Issuance: 5-10-76 D'ale unended:

DERAL AVIATION By Direction of the Administrator Don P. Watson (Signature ) TIO Manager, Aircraft Certification Division VISTRI Southwest Region (Title)

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Yumber and streel) (CIl, State, and 2IP code) from (Name of grantor) (Print or type) (Address of grantor) (N'umber and sireel;

(City, Stake, and ZIP codes Extent of Authority (if licensing agreement):

Signature of grantor (In ink): - + 11 = r. 0~. 1090-262-180