# STC SA02580AK

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Airframes Alaska LLC, United States
- Description: Installation of Airframes Alaska Replacement Suspension
- Applied: April 7, 2021
- Status date: May 14, 2024
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2)
- Certificate PDF: https://openairdocs.org/files/sha256/30/8d/308d95e571e6116246f1a9a190a681f10b75a9625b1c99c6d3b5720dc7c554e3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID174532236920240518150811.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA02580AK

## ADs that name it (0)

None.

## Approved models (18)

- Piper Aircraft Inc. PA-18 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18-105 (Special) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18-125 (Army L-21A) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18A ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18A-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18A-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18AS-125 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18AS-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18AS-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18S ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18S-105 (Special) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18S-125 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18S-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18S-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-19 (Army L-18C) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-19S ([TCDS 1A2](https://openairdocs.org/tcds/1A2))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

**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.

## Every issue (2)

- May 14, 2024: Amended, Current. [certificate](https://openairdocs.org/files/sha256/30/8d/308d95e571e6116246f1a9a190a681f10b75a9625b1c99c6d3b5720dc7c554e3)
- January 16, 2024: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/b2/0a/b20a8f9ef6d610766003569454d2d8fb95eee8b0edae5523261c7845d80bbb93)

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