STC SR01477AT

Number SR01477AT This certificate issued to

Part 21.25 of the Federal Aviation Regulations.

Manufacture of crew and passenger windows in accordance with Aeronautical Accessories, Inc. Report No. AA-97076, no revision, dated April 30, 1997 or later FAA approved revisions and installation per Report No. AA-97056, no revision, dated March 31, 1997, or Report No. AA-97057, no revision, dated April 1, 1997, or Report No. AA-97058, no revision, dated April 1, 1997, or Report No. AA-97059, no revision, dated April 1, 1997, or later FAA approved revisions.

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 : May 02, 1997

Date of issuance : October 03, 1997

Date reissued : July 25, 2011

Date amended : August 20, 1999

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

( Title)

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