STC SH207WE

This Certificate issued to ROBERTSON FUEL SYSTEMS LLC 800 West Carver Road, Suite 101 Tempe, Arizona 85281 Part 6 of the Civil Air Regulations, dated October 8, 1963, including Amendments 6-1 through 6-7 and parts of 14 CFR part 27 (see TCDS for specific applications).

H3WE

Boeing (McDonnell Douglas Helicopter Systems) 369, 369A, 369H, 369HM, 369HS, 369HE, 369D, 369E, 369F, 369FF, 500N, 600N Description of Type Design Change: Installation of a range extension fuel tank in the cargo area of Boeing (McDonnell Douglas Helicopter System s) 369 series, 500N, and 600N model helicopters in accordance with Robertson Aviation, FAA Approved Master Drawing List MDL-HA-010, dated January 9, 1978, or later FAA approved revision. FAA Approved Robertson Aviati on Rotorcraft Flight Manual Supplement RA-010-369/500- RFM, dated January 10, 1978, or later FAA approved revision is required as part of the installation for the 369 series and 500N models. FAA Approved Robertson Aviation Ro torcraft Flight Manual Supplement RA-010-600N-RFM, dated September 18, 1998, or later FAA approved revision is required as part of the installation for the 600N model.

Limitations and Conditions : The approval of this change in the type design applies to the above aircraft model(s) only. This approval should not be extended to ai rcraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship 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 aircraft. A copy of this STC mu st be included in the perman ent records of each aircraft modified in accordance with this STC. If the holder agrees to permit anot her person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : November 20, 1977

Date of issuance : January 10, 1978

Date reissued : June 19, 2000; July 3, 2002;

July 7, 2003; June 28, 2006; July 19, 2011

Date amended : February 1, 1985, March 24, 1987, October 23, 1992, September 30, 1998

( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( l )

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