# STC SA02585AK

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Tailwind Aviation, United States
- Description: Installation of Tailwind Aviation Viking Air Limited DHC-2 Main Gear Gravel Deflectors
- Applied: May 7, 2023
- Status date: June 27, 2024
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS A-806](https://openairdocs.org/tcds/A-806)
- Certificate PDF: https://openairdocs.org/files/sha256/70/b0/70b0eef247c31cc5e7fdb7cf7335c6f9a23caab1ac328d92fff61e70604e5d27
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154610464820240701182055.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA02585AK

## ADs that name it (0)

None.

## Approved models (3)

- Viking Air Limited DHC-2 Mk.I ([TCDS A-806](https://openairdocs.org/tcds/A-806))
- Viking Air Limited DHC-2 Mk.II ([TCDS A-806](https://openairdocs.org/tcds/A-806))
- Viking Air Limited DHC-2 Mk.III ([TCDS A-806](https://openairdocs.org/tcds/A-806))

## 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: SA02585AK This certificate issued to:

Installation of Tailwind Aviation Viking Air Limited DHC-2 Main Gear Gravel Deflectors in accordance with Instructions for Continued Airworthiness and Installation Instructions, Document No. GD-DHC2-ICA, Revision A, dated May 12, 2024, or later FAA approved revision.

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

(Limitations and Conditions Continued on Page 3 of 3)

Tailwind Aviation 4275 N. Overview Drive Wasilla, AK 99623

Type Certificate Number: A-806

Make: Viking Air Limited Model: DHC-2 Mk. I DHC-2 Mk. II DHC-2 Mk. III

Date of application: May 7, 2023

Date of issuance: June 24, 2024 Date reissued: June 27, 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: SA02585AK

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SA02585AK

**14 CFR 21.120)**

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

(Continuation Sheet) Date of application: May 4, 2023 Date of issuance: June 24, 2024 Date reissued: June 27, 2024 Date amended:

Number: SA02585AK

Limitations and Conditions: (Continuation from Page 1 of 3)

2. Maintain the gravel deflector assembly in accordance with Tailwind Aviation Instructions for Continued Airworthiness and Installation Instructions, Document No. GD-DHC2-ICA, Revision A, dated May 12, 2024 or later FAA accepted revision

## Every issue (2)

- June 27, 2024: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/70/b0/70b0eef247c31cc5e7fdb7cf7335c6f9a23caab1ac328d92fff61e70604e5d27)
- June 24, 2024: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b7/04/b704348e967bec30bdd04edcbb6f3e13d75fddf099963cdc65ffa9aa264b5808)

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