STC SR00407SE

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) SR00407SE Onboard Systems International, LLC 13915 NW 3rd Court Vancouver, WA 98685 Part 6 the Civil Air Regulations H3WE MD Helicopters Inc.

369D, 369E, 369F, 369FF, 369HE, 369HM, 369HS, and 500N Fabrication of Onboard Systems Model 200-187-00 cargo hook kit in accordance with FAA Approved Onboard Systems Master Drawing List No. 155-030-00, Revision 13, dated May 6, 2008, or later FAA-approved revision; and installation of this replacement cargo hook in accordance with FAA approved Onboard Systems Owner’s Manual No. 120-047-00, Revision 12, dated April 29, 2008, or later FAA-approved revisions. Inspect cargo hook in accordance with Onboard Systems Owner’s Manual No. 120-047-00, Revision 12, dated April 29, 2008, and Cargo Hook Service Manual No. 122-001-00, Revision 0, dated June 13, 2000, or later FAA-approved revision.

Approval of this change in type design applies to only those McDonnell Douglas model rotorcraft listed above, which were previously equipped with a FAA-approved installation of McDonnell Douglas cargo hook suspension systems and cargo hooks shown in the table on Continuation Sheet Page 3.

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. Modified rotorcraft must be operated in accordance with an FAA-approved copy of Onboard Rotorcraft Flight Manual Supplement (RFMS) No. 121-043-00, Revison 0, dated October 1, 2007, or later FAA-approved revision. A copy of this Certificate and the RFMS must be maintained as part of the permanent records of the modified rotorcraft.

November 10, 1996 October 7, 2021 January 17, 1997 July 8, 1997; June 3, 1998; May 4, 2001;

January 13, 2003; October 2, 2007; May 14, 2008 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:

SR00407SE 3

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

End Limitations and Conditions:

SR00407SE 3 3 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.