# STC SR02724LA

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Onboard Systems, United States
- Description: Installation of Onboard Systems International Human External Cargo (HEC) Hook System
- Applied: March 15, 2019
- Status date: October 7, 2021
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/bd/f3/bdf3d931885bd42654165bf2897fa6711fd6927021cab736e05872df02d1a809
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3764366F823214EE86258801006ADAC1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR02724LA

## ADs that name it (0)

None.

## Approved models (5)

- Bell Textron Canada Limited 206L ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Textron Canada Limited 206L-1 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Textron Canada Limited 206L-3 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Textron Canada Limited 206L-4 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Textron Canada Limited 407 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))

## What the certificate says

Some pages are OCR from the scanned FAA certificate. OCR can misread letters and numbers.

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:

(See Continuation Sheet Page 3 of 3 Pages) SR02724LA Onboard Systems International, LLC 13915 NW 3rd Court Vancouver, WA 98685 Part 27 * the Federal Aviation Regulations H2SW Bell Helicopter Textron Canada Limited 206L, 206L-1, 206L-3, 206L-4, 407 Installation of Onboard Systems International Human External Cargo (HEC) Hook System in accordance with Master Drawing List No. 155-214-00 Revision 1, dated December 11, 2019, or later Federal Aviation Administration (FAA) approved revision. Maintained in accordance with the Airworthiness Limitations section of Instructions for Continued Airworthiness (ICA) No. 123-049-00, dated March 16, 2020, or later FAA-approved revision. Operated in accordance with FAA-approved Rotorcraft Flight Manual Supplement (RFMS) No. 121-070-00 Revision 0, dated February 14, 2020, or later FAA-approved revision.

The approval of this modification applies to the above noted airplane model series only. A copy of this STC must be included in the permanent records of the modified aircraft. 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. FAA accepted Instructions for Continued Airworthiness document No. 123-049-00 Revision 0, dated December 9, 2019 or later FAA accepted revision must be made available at the time the aircraft is returned to service.

March 15, 2019 October 7, 2021 March 16, 2020 For Acting Manager, Seattle ACO Branch 3 *Certification basis set forth in continuation sheet.

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:

SR02724LA 3

FEDERAL AVIATION United States of America Department of Transportation Federal Aviation Administration TORM STRATOS Supplemental Type Certificate (Continuation Sheet) Number: SRO2124LA *Certification Basis:

Certification basis is set forth in Type Certificate Data Sheet H2SW for unaffected areas.

Affected areas comply with the following later amendments:

Amd't (27-0): 27.777;

Amd t (27-11): 27.1322;

Amd't (27-13): 27.1351(a), 27.1357;

Amd't (27-21): 27.141, 27.610, 27.1309, 27.1555, 27.1585;

Amd't (27-30): 27.561;

Amd't (27-36): 27.865(a),(b)(1), (b)(2), (b)(3)(i),(b)(3)(ii), (c)(1),(c)(2),(c)(3), (c)(5),(d),(e),(f);

Amd't (27-42): 27.1317;

Amd't (27-46): 27.1316 End This

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 3 of_3

## Every issue (2)

- October 7, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/bd/f3/bdf3d931885bd42654165bf2897fa6711fd6927021cab736e05872df02d1a809)
- March 16, 2020: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/35/4c/354cf22a0553d0668a7ec8492b15d2f7703d2d1eed2a91fd13b2da7bc30f7438)

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