# STC SR03465CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Airwolf Aerospace LLC, United States
- Description: Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-ECD-084-280, or AA-ECD-084-480
- Applied: February 23, 2012
- Status date: June 8, 2015
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H1CE](https://openairdocs.org/tcds/H1CE)
- Certificate PDF: https://openairdocs.org/files/sha256/56/71/5671ac181dbc0debca57ed936d6f2cf13c281dfd5f14238c39afbc85fa68811f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F6D63DB9C31BD9BD86257E6E007A1634.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR03465CH

## ADs that name it (0)

None.

## Approved models (14)

- The Enstrom Helicopter Corporation 280 ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))
- The Enstrom Helicopter Corporation 280C ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))
- The Enstrom Helicopter Corporation 280F ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))
- The Enstrom Helicopter Corporation 280FX ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))
- The Enstrom Helicopter Corporation 480 ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))
- The Enstrom Helicopter Corporation 480B ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))
- The Enstrom Helicopter Corporation F-28 ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))
- The Enstrom Helicopter Corporation F-28A ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))
- The Enstrom Helicopter Corporation F-28C ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))
- The Enstrom Helicopter Corporation F-28C-2 ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))
- The Enstrom Helicopter Corporation F-28C-2R ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))
- The Enstrom Helicopter Corporation F-28F ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))
- The Enstrom Helicopter Corporation F-28F-R ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))
- The Enstrom Helicopter Corporation TH-28 ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))

## 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.

Part 27of the 14 Code of Federal Aviation Regulations. *

Original Product--Type Certificate Number

Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-ECD-084-280, or AA-ECD-084-480 in accordance with the Installation Instructions, Report AA-ECD-084-280/480 Rev. A, dated June 5, 2015 or later FAA- approved revision.

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

2. A copy of FAA accepted Instructions for Continued Airworthiness, Report no. AA-ECD-84-280/-480-ICA, Rev. IR, dated July 01, 2014 or later FAA accepted revision is required to this modification.

3. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other pers on written evidence of that permission.

Airwolf Aerospace, LLC 15369 Madison Road Middlefield, OH 44062

H1CE Make ENSTROM Model F28, F-28A, 280, F-28C, F-28C-2, F-28C-2R, 280C, F-28F, F-28F-R, 280F, 280FX, TH-28, 480, 480B Helicopters Date of application : February 23, 2012

Date of issuance : June 08, 2015

By direction of the Administrator Original Signed By:

Karol Mordasiewicz

(Signature) Karol Mordasiewicz Manager, Airframe & Administrative Branch Chicago Aircraft Certification Office

(Title)

FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES

Number

## Every issue (1)

- June 8, 2015: Issued, Current. [certificate](https://openairdocs.org/files/sha256/56/71/5671ac181dbc0debca57ed936d6f2cf13c281dfd5f14238c39afbc85fa68811f)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.