STC SA2-572

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2-572 This certificate issued to: Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meet's the airverthiness requirement's of Part SR407 of the CiViI Air Regulations.

Original Product Type Certificate Number : 723 Make: Lockheed Model: 18 Description of Type Design Change:

Installation of airspeed system in accordance with Howard Aero, Inc. Drawing Nos. 1688 dated 8/29/58, 1395 dated 3/21/58, and 1155 dated 3/12/57, or later FAA approved revision.

1. Howard Aero, Inc. CAA Approved Airplane Flight Manual Supplement dated 10/23/58 is required for airplanes certificated under SR407.

2. Installation of radome and fairing per SA2-277 is required with this airspeed system.

3. Compatibility of this modification with other previously approved modifications must be determined by the installer.

Date of Application: September 03, 1958 Date Reissued: 7/10/92; 12/21/98; 8/31/00 Date of Issuance: October 23, 1958 Date Amended: May 28, 1932 ReV. 9 By Direction of the Administrator nut fols. Frances cox (Signature) TOMINSTRATO Manager, Special Certification Office, Southwest Region (Title) 000, or imprisonment not exceeding 3 years, or both.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) - (Number and street) (City, State, and ZIP code) from (Name of grantor) (Print or type).

(Address of grantor) (Number and street) (City, State, and 21P code) Extent of Authority (if licensing agreement): - Date of Transfer:

Signature of grantor (In ink):

FAA AC 69-5536