STC SR02693LA

Supplemental type certificate · Onboard Systems International LLC

Holder
Onboard Systems International LLC · United States
Status
Current · Amended
Status date
December 28, 2021
Applied
May 5, 2018
Product
Aircraft · Rotorcraft
Certification basis
Part 21, Part 27
Data sheet
TCDSH3WE

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of a redundant system for the primary Cargo Hook system when conducting Human External Cargo (HEC) external loads operations

What the certificate saysPartly OCR

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) SR02693LA Onboard Systems International, LLC 13915 NW 3rd Court Vancouver, WA 98685 Part 27 the Federal Aviation Regulations H3WE MD Helicopters Inc.

369D, 369E, 369F, 369FF, 500N, 600N Installation of a redundant system for the primary Cargo Hook system when conducting Human External Cargo (HEC) external loads operations, in accordance with FAA approved Onboard Systems International, Master Data List 155-209-00, Revision 5, dated August 27, 2021, and FAA approved Onboard Systems International, Rotorcraft Flight Manual Supplement 121-069-00, Revision 2, dated June 25, 2020, or later FAA Approved Revisions; or 121-074-00, Revision 0, dated December 23, 2021; or later FAA-approved revisions.

The installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. The approval of this modification applies to the above noted helicopter model series only. This STC must be maintained in accordance with Onboard Systems International, Instructions for Continued Airworthiness (ICA) report 123-048-00, Revision 3, dated August 17, 2021, or other FAA accepted ICA. A copy of the STC, the applicable RFMS, and ICA 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.

May 5, 2018 March 27, 2019, November 5, 2019; October 7, 2021 February 22, 2019 March 11, 2019 , December 28, 2021 For Acting Manager, Seattle ACO Branch 3

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:

SR02693LA 3

United States of America Department of Transportation Federal Aviation Administration TORM STRATOS Supplemental Type Certificate (Continuation Sheet) Number: SR02693LA Certification Basis (continued):

As set forth in Type Certificate Data Sheet H3WE, except as follows:

- 14 CFR 27.1, 27.1365 at Amendment 27-0

- 14 CFR 27.561 at Amendment 27-25

- 14 CFR 27.21, 27.29, 27.301, 27.303, 27.305(a), 27.307, 27.321, 27.337, 27.397,

27.571 (a)(b), 27.601, 27.603, 27.605, 27.607, 27.609, 27.610, 27.613, 27.777,

27.853, 27.865, 27.952, 27.1301, 27.1309, 27.1351(a)(b)(1)(i), 27.1357, 27.1367,

27.1435, 27.1501, 27.1505, 27.1529, 27.1541, 27.1555, 27.1581, 27.1583, 27.1585, and 27.1589 at the latest Amendment through Amendment 27-36 End This

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

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 6

MakeModelData sheet
MD Helicopters Inc.369DH3WE
MD Helicopters Inc.369EH3WE
MD Helicopters Inc.369FH3WE
MD Helicopters Inc.369FFH3WE
MD Helicopters Inc.500NH3WE
MD Helicopters Inc.600NH3WE

Every issue · 4

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
December 28, 2021Amended, currentCertificate
December 28, 2021Reissued, earlier issueCertificate
October 7, 2021Reissued, earlier issueCertificate
November 5, 2019Reissued, earlier issueCertificate