STC SA2-354

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2-354 This certificate issued to: Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Part SRAO7 of the Civi1 Air Regulations Original Product Type Certificate Number : 723 Make: Lockheed Model: 18 Description of Type Design Change:

Installation of new engine nacelle cowling and related equipment per drawings listed on DAS Drawing List titled "Nacelle Rework-Lockheed L-18" revision 8 dated 2/5/62, or later FAA approved revision.

Date of Application: April 17, 1959 Date Reissued: 6/15/92; 12/21/98; 8/31/00 Date of Issuance: February 05, 1960 Date Amended: June 02, 1982 Rev. 8 FEDERAL AVIATION By Direction of the Administrator Sors. Frances cox (Signature) TOMINISTRATOT Manager, Special Certification Office, Southwest Region (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA2-354 Date of Issuance: February 05, 1960 Date Amended: June 02, 1982 Reissuance Date: August 31, 2000 Limitations and Conditions: (Continued):

1. Use of high blower not approved without propeller spinners.

2. Airplane Flight Manual Supplements for Aircraft with flight manual are required as follows.

a. Aircraft equipped with 1200 H.P. engines:

(1) AFM Supplement dated 6/25/62 for Serial No. N68K only.

(2) AFM Supplement dated 9/4/63.

b. Aircraft equipped with 1300 H.P. engines:

(1) AFM Supplement dated 10/30/63 with basic AFM having 1200 BHP performance data.

(2) Aircraft must be in eligible configuration required for 1300 H.P.

c. Aircraft equipped with 1350 H.P. engines:

AFM Supplement dated 4/14/60.

Aircraft must be eligible configuration required for 1350 H.P.

3. Modification eligible only on Lockheed 18 certificated at G.W. 18,500 lbs.

to 19,500 lbs.

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

- END-

FAA Form 8110-2-1(10-69) Page 3 of 3

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

Signature of grantor (In ink):

FAA AC 69-5536