STC SR01619AT

Number SR01619AT This certificate issued to

Part 21.25 of the Federal Aviation Regulations.

Manufacture of Quick Mount Kit for Nightsun Model SX-16 Searchlight in accordance with Aeronautical Accessories, Inc. Report No. AA-97106, no revision, dated July 18, 1997 or later FAA approved revisions and installation per Report No. AA-97102, no revision, dated June 20, 1997, or later FAA approved revisions.

FAA approved Rotorcraft Flight Manual Supplement Report No. AA-97105, dated May 4, 1998, or later FAA approved revisions, is a required part of the STC. The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Bell Helicopter Textron Inc.

441 Industrial Park Road Piney Flats, TN 37686 R00006DE; H22NM; R00002LA Make : Rotorcraft Development Corporation Model : OH-58A, OH-58A+, OH-58C Date of application : June 23, 1997

Date of issuance : May 04, 1998

Date reissued : July 25, 2011

Date amended : October 5, 1999

( Signature) James A. Richmond, Acting Manager, Rotorcraft Certification Office, Southwest Region

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2