STC SA02580AK

14 CFR 21.120)

FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION PAGE 1 OF 3

Number: SA02580AK This certificate issued to:

Installation of Airframes Alaska Replacement Suspension in accordance with Replacement Suspension Installation Instructions ST02383AK-A-ICA, Revision B, dated March 26, 2024, or later FAA approved revision.

(Limitations and Conditions on Page 3 of 3)

Airframes Alaska, LLC 81 East Commercial Drive Palmer, AK 99645 Original Product:

Type Certificate Number: 1A2

Make: Piper 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 Date of application: April 7, 2021

Date of issuance: January 16, 2024 Date reissued:

Date amended: May 14, 2024

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

Part 3 of the Civil Air Regulations.

14 CFR 21.120)

FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION PAGE 2 OF 3

Number: SA02580AK

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SA02580AK

14 CFR 21.120)

FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION PAGE 3 OF 3

(Continuation Sheet) Date of application: April 7, 2021 Date of issuance: January 16, 2024 Date reissued:

Date amended: May 14, 2024

Number: SA02580AK

1. The compatibility of this design change with previously approved modifications must be determined by the installer.

2. The aircraft must be equipped with 26-inch diameter or larger Alaskan Bushwheel tires or skis.

3. The aircraft must be equipped with approved 3-inch extended PA-18 landing gear.

4. Maintain the replacement suspension in accordance with Airframes Alaska Replacement Suspension Instructions for Continued Airworthiness, document number ST02383AK-A-ICA, Revision B, dated March 26, 2024 or later FAA accepted revision.