STC SR00578SE

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) SR00578SE Onboard Systems International, LLC 13915 NW 3rd Court Vancouver, WA 98685 Part 27 the Federal Aviation Regulations H11NM Robinson R44, R44 II Fabrication of Onboard Systems International Cargo Hook Kits Model 200-227-00 (without load weigh), Model 200-228-00 (with load weigh), Model 200-313-00 (28V, without load weigh), Model 200-314-00 (28V, with load weigh), in accordance with FAA-approved Onboard Systems International Master Drawing List Number 155-043-00, Revision 16, dated October 12, 2009, or later FAA-approved revision. Installation of the Onboard Systems International Cargo Hook Kits Model 200-227-00 or 200-228-00, on Robinson R44 model rotorcraft, is in accordance with FAA-approved Onboard Systems International Owner's Manual Number 120-077-00, Revision 14, dated October 12, 2009, or later FAA-approved revision.

Approval of this change in type design applies only to those Robinson rotocraft models listed above which are equipped with Robinson hard point/tie down block part number (P/N) D134-1. Cargo Hook Kit models 200-227-00 and 200-228-00 are eligible for installation on R44 only. Cargo Hook Kit models 200-313-00 and 200-314-00 are eligible for installation on R44 II only. 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 Robinson R44 rotorcraft must be operated in accordance with the FAA-approved Onboard Systems International Rotorcraft Flight Manual Supplement (RFMS) Number 120-077-00, dated November 16, 2005, or later FAA-approved revision.

August 31, 1998 October 7, 2021 September 28, 1998 March 13, 2002; January 13, 2003;

October 9, 2007; December 15, 2009 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:

SR00578SE 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 Description of Type Design Change Continued:

SR00578SE This modification must be inspected and maintained in accordance with Section 5 of Onboard Systems International Owner's Manual Number 120-077-00, Revision 14, dated October 12, 2009, or later FAA-approved revision, and Cargo Hook Component Maintenance Manual Number 122-001-00, Revision 9, dated October 16, 2009, or later FAA-approved revision.

Installation of the Onboard Systems International Cargo Hook Kits Model 200-313-00 or 200-314-00, on Robinson R44 II rotorcraft, is in accordance with FAA-approved Onboard Systems International Owner's Manual Number 120-128-00, Revision 1, dated December 11, 2007, or later FAA-approved revision. This modification must be inspected and maintained in accordance with Section 5 of Onboard Systems International Owner's Manual Number 120-128-00, Revision 1, dated December 11, 2007, or later FAA-approved revision, and Cargo Hook Component Maintenance Manual Number 122-001-00, Revision 9, dated October 16, 2009, or later FAA-approved revision.

3 3 Modified Robinson R44 II rotorcraft must be operated in accordance with the FAA-approved Onboard Systems International Rotorcraft Flight Manual Supplement (RFMS) Number 121-041-00, dated October 5, 2007, or later FAA-approved revision.

A copy of this Certificate, Owner's Manual, Service Manual, and FAA-approved RFMS 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.