# STC SA02570AK

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Hans Munich, United States
- Description: Installation of large tailwheel fork P/N YCAC3UT85-3 per YCAC3UT144 Large Tail Wheel Maintenance Manual Supplement
- Applied: March 24, 2022
- Status date: January 4, 2023
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS A-815](https://openairdocs.org/tcds/A-815)
- Certificate PDF: https://openairdocs.org/files/sha256/66/0c/660caac5a8ab53932d5bf6e855d9c7e8f78cde46d568191b6a42c4e8b20e4c71
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167253203220230109154454.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02570AK

## ADs that name it (0)

None.

## Approved models (1)

- Viking Air Limited DHC-3 ([TCDS A-815](https://openairdocs.org/tcds/A-815))

## 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 2

Number: SA02570AK This certificate issued to:

Installation of large tailwheel fork P/N YCAC3UT85-3 per YCAC3UT144 Large Tail Wheel Maintenance Manual Supplement, Rev IR, dated August 10, 2022 or later FAA approved revision and YCAC3UT144 Large Tail Wheel Assy IPL Supp, Rev IR, dated August 10, 2022 or later FAA approved revision.

The installer must determine whether the design change is compatible with previously approved modifications.

Hans Munich PO Box 163 Yakutat AK 99689

Original Product Type Certificate Number: A-815

Make: Viking Air Limited Model: DHC-3

Date of application: March 24, 2022

Date of issuance: January 4, 2023 Date reissued:

August A. Asay Title: Manager, Anchorage ACO Branch

Part 23 of Federal Aviation Regulations.

**14 CFR 21.120)**

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

Number: SA02570AK

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SA02570AK

## Every issue (1)

- January 4, 2023: Issued, Current. [certificate](https://openairdocs.org/files/sha256/66/0c/660caac5a8ab53932d5bf6e855d9c7e8f78cde46d568191b6a42c4e8b20e4c71)

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