# STC SR02028SE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Onboard Systems International LLC, United States
- Description: Fabrication of Onboard Systems International Model 200-351-00, Cargo Hook Kit,
- Applied: June 12, 2009
- Status date: October 7, 2021
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS R0001RD](https://openairdocs.org/tcds/R0001RD)
- Certificate PDF: https://openairdocs.org/files/sha256/47/83/478341f7b4d940bc7da5f6a3e47a8843d5772e37c9252fa3b50eae06a593da5f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D6E2B02451B2A65F862587FA006D4BF7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR02028SE

## ADs that name it (0)

None.

## Approved models (1)

- Airbus Helicopters EC120B ([TCDS R0001RD](https://openairdocs.org/tcds/R0001RD))

## 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.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SR02028SE Onboard Systems International, LLC 13915 NW 3rd Court Vancouver, WA 98685 Part 27 the Federal Aviation Regulations R0001RD Airbus Helicopters EC120B Fabrication of Onboard Systems International Model 200-351-00, Cargo Hook Kit, in accordance with FAA approved Onboard Systems International Master Drawing List Number 155-144-00, Revision 0, dated July 22, 2009, or later FAA approved revision; and installation of the 200-351-00, Cargo Hook Kit, in accordance with FAA approved Onboard Systems International Owner’s Manual Number 120-139-00, Revision 0, dated June 16, 2009, or later FAA approved revision. This modification must be inspected and maintained in accordance with Section ATA 5 of the FAA approved Onboard Systems International Instructions for Continued Airworthiness Document Number 123-034-00, Revision 0, dated June 2, 2009, or later FAA approved revision and Onboard Systems International Cargo Hook Service Manual Number 122-017-00, Revision 3, dated September 17, 2008, or later FAA approved revision.

Approval of this change in type design applies only to those Airbus model rotorcraft listed above. This approval should not be extended to other rotorcraft of these models on which other previously approved modifications are incorporated, unless it is determined by the installer that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that rotorcraft. Rotorcraft modified in accordance with this STC must be operated in accordance with an FAA approved copy of Onboard Systems International Rotorcraft Flight Manual Supplement (RFMS) Number 121-053-00, Revision 0, dated November 16, 2009, or later FAA approved revision. A copy of this certificate, FAA approved RFMS, and Maintenance Manual must be maintained as part of the permanent records of the modified rotorcraft.

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

June 12, 2009 October 7, 2021 For Acting Manager, Seattle ACO Branch 2 November 30, 2009

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SR02028SE 2

## Every issue (2)

- October 7, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/47/83/478341f7b4d940bc7da5f6a3e47a8843d5772e37c9252fa3b50eae06a593da5f)
- November 30, 2009: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/07/a3/07a32145898e8cea9b53a3403d953bf20dee7b39079c5821f9732bf7be75d0ed)

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