STC SA3105WE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3105WE This certificate issued to: Thermal Aircraft Company Purt 3 of the CiViI A i r Regulations. dated Nov. 1,1949, as amended by 3-1 through 3-12.

Original Product - Type berlificate Number: 3A12 Make: Cessna Model: - 12•-12A, 172B•+720, 172D, 1725, 172F, 172G 172H,172K,172L,172M,172N,172Q Description of Type Design Change: (Normal and Utility Categories) Company Drawing No. 5 dated September 6, 1975. Installation of flap gap fairing in accordance with Thermal Aircraft Thermal Aircraft Company Drawings No. 2,3, and 4 (September 6, 1975) contain production data for this assembly.

Limitations and Conditions: The approval of this change in type design applies basically to Cessna 172,172A,172B,1720,172D,172E,172F,172G, 72H,-721, to other aircraft of this model on which other previously approved 1721, 172M, 172N, and 172Q only. This approval should not be extended modifications are incorporated unless it is determined by the installer previously approved modifications will introduce no adverse effect upon that the interrelationship between this change and any of those other the airworthiness of that aircraft.

Dale sapplicalion: September 6, 1975 Date Reissued:

Halesf issuance: December 15, 1975 Jale unended: AUgUSt 22& 1977, NOV. 15,1983 FEDERAL ANTATION By Direction of the Administrator " Signature"

TOMINISTRATO 47 FAA FORM 8110-2 (10-68)