STC SA6055SW-D

Bait Sons • 2mia Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 5A605554-0 This certificate issued to: S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 Certifies that the change in the type design for the following produd with the limitations and conditions shorefor as specified heron meets the sinworthiness requiremants of Port 3 sof the CiVil A ir Regulations Original Product -Type Contificato Numbon: ATCE Make: Cessna Model: 401, 401A, 401B, 402A, 402B, and 402C Description of Type Design Change:

Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-344, with Optional Automatic Electric Trim according to Bulletin No. 444, Revision 3, dated 8-02-91 and Master Drawing List No. 92362, Revision C, dated 8-02-91 with Optional Flight Director/Steering Horizon System and/or later FAA Approved revisions of the above data (28 Volt System).

FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89656, dated 2-18-86 is required for Cessna Model 402C and/or later FAA Approved revisions of the above supplement.

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

Thomas DAS Staff Coordinator, DAS 5 SW (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA6055SW-D, Rev. 2 Limitations and Conditions: (con't.)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89656-1, dated 8-19-91 is required for Cessna Model 402L and/or later FAA Approved revisions of the above supplement.

3. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89817, dated 3-31-89 is required for Cessna Models 401, 401A, and 401B and/or later FAA Approved revisions of the above supplement.

4. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89817-1, dated 8-19-91 is required for Cessna Models 401, 401A, and 401B and/or later FAA Approved revisions of the above supplement.

5. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89937, dated 8-19-91 is required for Cessna Models 402A and 402B and/or later FAA Approved revisions of the above supplement.

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

69) This certificate may be transferred in accordance with fill i'1.t7 PAGE 2 OF 2 PAGES

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

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

Signature of grantor (In ink): -

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