STC SA02211AK

Number: SA02211AK

This certificate issued to: Steve Pierce 196 US Hwy 380 East Graham, TX 76450 Part 3 of the Civil Air Regulations.

Original Product Type Certificate Number: 1A2 Make: Piper Description of Type Design Change: Model: PA-18, PA-18S, PA-18 “105” (Special), PA-18S “105” (Special), PA-18A, PA-18 “125” (Army L-21A), PA-18S “125”, PA-18AS “125”, PA-18 “135”, (Army L-21B), PA-18A “135”, PA-18S “135”, PA-18AS “135”, PA-18 “150”, PA- 18A “150”, PA-18S “150”, PA-18AS “150”, PA-19 (Army L-18C), PA-19S.

Description of Type Design Change: Installation of components to change thrust line orientation in accordance with “Thrustline Products of Alaska”, Master Drawing List – 001, Rev. IR, Dated April 27, 2004, and Installation Instructions, Doc. No. 012, Rev. B, Dated April 19, 2004, or later FAA approved revisions.

1. The installer must determine compatibility of this design change with other previously approved modifications.

2. This installation is not compatible on aircraft that have a Continental C-90 engine mount. This modification requires the aircraft to have a Lycoming conical, or dynafocal, “swing-out” type engine mount, installed in accordance with FAA approved data.

3. FAA Approved Instruction for Continued Airworthiness, “Thrustline Products of Alaska”, Doc No. 013, Rev IR, Dated April 19, 2004, or later FAA approved revision and 14 CFR Part 43 are required for this modification.

Date of Application: June 26, 2003 Date Reissued: April 2, 2025; June 10, 2025

Date of Issuance: April 27, 2004 Date Amended:

for Gregory S. DiLibero Title: Manager, West Certification Branch

Number: SA02211AK

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SA0211AK