STC SA2-524

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 5A2-524 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 therfer as specified hereon meet's the aimoorthiness requirement's of Part of the Regulations. Aero Bulletin 7A of the Bureau of Air Commerce Original Product Type Certificato Number : 618, 669 Make: McDonnell Douglas Model: DC-3 Series Description of Type Design Change:

Installation of R & L Cockpit window as shown on EAS Dwg. 352576, Sheet 1, Change B dated 12/19/62, Sheets 2 & 3 dated 4/15/58, or later FAA approved revision.

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

Date of Application: Apti1 21, 1958 Date Reissued: 6/15/92; 12/21/98; 8/31/00 Date of Issuance: May 27, 1958 Date Amended: April 19, 1982 Rev. 3 FEDERAL AVIATION By Direction of the Administrator fos. Frances Cox (Signature) TOMINSTRATOR Manager, Special Certification Office, Southwest Region (Title)

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 2IP code) Extent of Authority (if licensing agreement): - Date of Transfer:

Signature of grantor (In ink):

FAA AC 69-5536