STC SR00631DE-D

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SR00631DE-D This certificate issued to: AKV, INC.

777 Aviation Road Camarillo, CA 93010 Part 29* of the Federal Aviation Regulations.

Original Product Type Lertificate Number: * See attached FAA Approved Model List (AML) No.

Make: SR00631DE-D for a list of approved aircraft models Model: and applicable airworthiness regulations Description of Type Design Change: Installation of an AKV, Inc. Dual Engine Cycle Counter in BK117 models listed above (kit P/N BK1172XCC) in accordance with FAA Approved AKV, Inc. Master Drawing List (MDL), No. 771-9048, Rev F dated October 10, 2012, or later FAA approved revisions. Installation of an AKV Inc Dual Cycle Counter in AS332 models listed above (kit P/N AS332L2XCC) in accordance with FAA Approved AKV, Inc. Master Drawing List (MDL), No. 771-9048, Rev F dated October 10, 2012, or later FAA approved revisions.

1) This approval should not be extended to rotorcraft 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 rotorcraft.

2) A copy of this certificate and the FAA Approved Rotorcraft Flight Manual Supplement, No. 080-0401, Rev. B, dated August 13, 2008, or later FAA approved revision must be maintained as part of the permanent records of the modified BK117 rotorcraft. A copy of this certificate and the FAA Approved Rotorcraft Flight Manual Supplement, No. AS332- RFMS, Rev. NC, dated February 28, 2013, or later FAA approved revision must be maintained as part of the permanent records of the modified AS332 rotorcraft.

3) Instructions for Continued Airworthiness, Report AMMS 050-0443, Rev. B dated August 13, 2008, FAA accepted September 25, 2007, or later FAA accepted revision is required for the BK117 installation. Instructions for Continued Airworthiness, Report AS332-ICA, Rev. NC dated February 26, 2013, or later FAA accepted revision is required for the AS332 installation.

4) A copy of this STC must be included in 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.

This certificate and the supporting data which is the basis for approval shall remain in offeet until surrendered, suspended, revcked or a terination date is etherwise established by the Administrater of the Federal Aviation Administration Jute c/upplicution: June 6, 2007 Jule reisurd: February 17, 2009; March 12, 2010;

June 25, 2012 Tute c/ issuance: January 29, 2009 Date Amended: February 28, 2013 FEDERAL AVIAT By Direction of the Administrator (Signature) Manager, Propulsion Branch TOMINISTRATO Los Angeles Aircraft Certification Office (Title)