STC SR02288LA

United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Original STC Reported as Lost

N umber SR02288LA

This Certificate issued to

Part 27 of the F ederal A viation R egulations .

Description of Type Design Change: Installation of Nose Window Utility Mount in accordance with FAA approved Gyron Systems International, LTD Master Drawing List, AFNW-010, Revision “N/C”, dated May 18, 2010, or later FAA approved revisions. The Installation Manual AFNW-006, dated May 6, 2010, or later FAA approved revisions, and the FAA approved Rotorcraft Flight Manual Supplement, AFNW-007, dated May 6, 2010, or later FAA approved revisions. Instructions for Continued Airworthiness, AFNW-008, dated January 7, 2009, or later FAA accepted revisions.

Limitations and Conditions: Installation of Nose Window Utility Mount addresses only the subpart B (Flight) and C (Strength Requirements) of 14 Code of Federal Aviation Regulations, Part 27. The installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. The approval of this modification applies to the above noted aircraft model series only. A copy of this certificate must be maintained as part of the permanent records of for the modified aircraft. 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 c ertificate and the supporting data which is the basis for approval shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the A dministrator of the F ederal A viation A dministration.

Gyron Systems International, LTD.

39 East Walnut Street Pasadena, California 91103 * See attached Approved Model List (AML) No.

* SR02288LA for the list of approved helicopter

* models and applicable airworthiness regulations.

Original Product Type Certificate N umber :

M ake :

M odel :

Date of application : February 17, 2007

Date of issuance : May 21, 2010

Date amended : August 3, 2010; July 31, 2014

B y direction of the A dministrator

(Signature) Manager, Airframe Branch Los Angeles Aircraft Certification Office

(Title)