STC SA2-792

Jttniteb gistts ©f .America nf "airanspDrtatton - ^frtieral ^Hatton ^ministration (Eerttftcate SA2-792 Signature Flight Support Corporation, a Delaware Corporation 7511 Lemtnon Avenue, Hangar C Dallas, TX 75209 Civil Air 723 Lockheed 18 Installation of 50,000 BTU heater in each nacelle in accordance with Howard Aero, Inc. Report No. 43, dated 5/7/59; Revision No. 6; dated 12/30/59; or Drawing List No. SD417000-1 dated 5/1/61, or later FAA approved revision.

Howard Aero, Inc. FAA Approved AFM Supplement dated 6/11/59 is required for Lockheed 18, S/N 2332 and S/H 2297.

Howard Aero, Inc. FAA Approved AFM Supplement dated 9/21/59 is required for all L-18 Serial Nos. in Note 4 except S/N 2332 and S/N 2297.

An approved exhaust short stack installation is required.

This modification is eligible on Lockheed 18 Serial Nos. 2397, 2332, 2358, 2547, 2283, 2132, 2598, 2548, 2588.

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

01, 1961 ,,.,.,. . .., ,_ May 26, 1961 ; 12/21/98; 8/31/00 28, 1982 Rev. 8 (Signature) S. Frances Cox Manager, Special Certification Office, Southwest Region (Jlrfe)

Forn 8110-2(10-66) Ptge 1 of 2 TJiii certificate nay b* trajisferred in accordance ujth FAR 21. ft.

INS I'RUCTIONS: The transfer endorse men I bduvv may he used lo notify ihe appropnair KAA Regional Office of the transfer of I his Suppli-mcnlal 1'yi"1 Certificate.

The FAA will rnssuc- ihr < i-niliraie in ihc name of rhe Iransfercc and forward it 10 him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name oj transferee) (Address of transferee) r and s (City. State. and ZIP <adt) from (Name of grantor) (Print or type) (Address of grantor) (Numbri and ll'ert) I City, Stall, and ZIP todi) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):_ C FAA AC 69-553S