# STC SR00525SE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Onboard Systems International, United States
- Description: Fabrication of Onboard Systems Model 200-231-00 and 200-231-01 Cargo Hook Attach Point Kit and installation of these Cargo Hook Attach Point Kits
- Applied: May 12, 1998
- Status date: October 7, 2021
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 21, Part 21, Part 21, Part 21, Part 21, Part 21, Part 21
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/d6/71/d6714791735fceca8c5e45c938b0cb372bd20a00fc8beef7a73e642052e22f0d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129920536320221201192124.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00525SE

## ADs that name it (0)

None.

## Approved models (9)

- MD Helicopter Inc. 369D ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369E ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369F ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369FF ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369HE ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369HM ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369HS ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 500N ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 600N ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))

## 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 ___ SR00525SE Onboard Systems International, LLC 13915 NW 3rd Court Vancouver, WA 98685 Part 6 the Civil Air Regulations H3WE MD Helicopters Inc. (MDHI) 369D, 369E, 369F, 369FF, 369HE, 369HM, 369HS, 500N, and 600N Fabrication of Onboard Systems Model 200-231-00, 200-231-01, 200-231-02, and 200-231-03 Cargo Hook Attach Point Kits in accordance with FAA Approved Onboard Systems Master Drawing List No. 155-038-00, rev. 9, dated March 9, 2011, or later FAA approved revision.

Approval of this change in type design applies to only those McDonnell Douglas model rotorcraft listed above. This approval should not be extended to 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. No Rotorcraft Flight Manual revision is deemed necessary for this Cargo Hook Attach Point Kit installation. A copy of this Certificate 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.

May 12, 1998 October 7, 2021 June 22, 1998 January 13, 2003; October 8, 2008; August 4, 2011 For Acting Manager, Seattle ACO Branch 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ SR00525SE 3

Attach Point Kit Model No. Install per Onboard Systems Inspect and Maintain per Onboard Owner's Manual Systems Owner's Manual 200-231-00 or 200-23 1-01 Doc. No. 120-073-00 , rev. 9, dated Sect. 4 of Doc. No. 120-073-00 , rev.

March 9, 2010 9, dated March 9, 2010 200-231-02 or 200-231-03 Doc. No. 120-073-01 , rev. 0, dated Sect. 4 of Doc. No. 120-073-01 , rev.

February 28, 2011 0, dated February 28, 2011 r United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:

Description of Type Design Change: Continued End

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page ___ of ___ SR00525SE 3 3

## Every issue (5)

- October 7, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d6/71/d6714791735fceca8c5e45c938b0cb372bd20a00fc8beef7a73e642052e22f0d)
- October 7, 2021: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/14/75/14754b66f0a9b29bc54f8166b156a2b647846d9e68e787c3b80848e38d73c214)
- August 4, 2011: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/c4/af/c4aff98ed774c054ab56238930adc4ea7ce59a064c4582c4eeed46eb4f5f816d)
- October 8, 2008: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/ff/52/ff5269298fbed669a69c23c1836377df588471981604eb25c4ea8d9ff3c70d84)
- January 13, 2003: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/75/6a/756a09e7c607a39bfc0ae0a44aa484294903d66be2c215e5c92e42ff09e8e4ca)

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