STC SR02249LA

This Certificate issued to Van Horn Aviation, L.L.C.

1510 W. Drake Drive Tempe, AZ 85283

Part 27 of the Federal Aviation Regulations (See Page 3) Original Product Type Certificate Number :

* * See attached FAA Approved Model List (AML) No. SR02249LA for list of * approved airplane models

* Description of Type Design Change: Installation, maintenance and operation of replacement tail rotor blades in accordance with Van Horn Aviation, L.L.C. Master Document Lists, and Instructions for Continued Airworthiness as appears on AML SR02249LA dated May 19, 2010, or later FAA Approved Revision.

Limitations and Conditions 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 helicopter models only. A copy of this STC must be included in the permanent records of 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.

NOTE: Noise characteristics: This installation has been determined not to increase t he noise level and is not considered an “acoustical change” as defined in Part 21.93(b), Amend. 21-77 of the Federal Aviation Regulations.

Date of application : January 21, 2008

Date of issuance : August 10, 2009

Date reissued : February 19, 2010; July 16, 2012

Date amended : February 8, 2010; February 9, 2010; June 4, 2010; June 7, 2011;

June 9, 2011; December 15, 2011:

(Signature) Supervisor, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office (Title)

Transfer the ownership of the Supplemental Type Certificate Number to (Name of transferee) (Address of transfer) (Number and street)

(City, State, and Zip code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street)

(City, State, and Zip code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

Number SR02249LA

Certification Basis For rotorcraft models on FAA Approved Model List No. SR02249LA, based on Title 14 Code of Federal Regulations sections 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis is as follows:

a. The type certification basis for parts not changed or not affected by the change is shown on each individual TCDS as listed on FAA Approved Model List No. SR02249LA.

b. The type certification basis for parts changed or affected by the change since the referenced date of application, January 21, 2008, is 14 CFR part 27 effective February 1, 1965, including Amendments 27-0 through 27-42.

END