STC SR09306RC-D

United States of America Department of Transportation Federal Aviation Administration VISTRA Supplemental Type Certificate Number: SR09306RC-D This certificate issued to: Airbus Helicopters, Inc.

2701 N. Forum Drive Grand Prairie, Texas 75052-7099 Part 29 of the Federal Aviation Regulations.

Original Product - Type Certificate Number: Make: Airbus Helicopters Deutschland GmbH Model: MBB-BK 117C-2 (EC145) Description of Type Design Change:

Installation of tailboom mounted aft ballast in accordance with Drawing list 145A82-8006, Rev. F, dated August 9, 2012 or later ODA approved revision.

Rotorcraft Flight Manual Supplement 117FMS-224, Rev. A, dated March 17, 2009 or later ODA approved revision is required.

Instructions for Continued Airworthiness 145MMS-006, Rev. A, dated April 28, 2012 or later FAA accepted revision is required. Compatibility of this design change with previously approved modifications including installation of more than 10# of additional equipment on the tailboom must be accomplished by the installer.

"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."

Date of Application: 2/21/2007 Date Reissued: 05/30/13, 04/24/2014 Date of Issuance: 4/25/2007 Date Amended:

By Direction of the Administrator Signature. hed Stellar Title Fred Stellar ODA Lead Administrator ODA-700097-SW

FAA Form 8110-2 (8/13) Page 1