JC Wings Alaska Airlines Boeing 737-400SF N709AS 1:200 Diecast Model1: 200 Diecast: Alaska Air Cargo Boeing 737 400SF N709AS (JC Wings XX20398) N709AS carries MSN 28896, line number 3099 a Boeing 737 490 delivered to Alaska Airlines on 6 March 1999. In June 2006, the aircraft was converted to an all cargo freighter configuration by Pemco World Air Services, becoming the sole 737 400SF (Special Freighter) in Alaska's fleet and the airline's only narrowbody freighter at the time. N709AS served Alaska Air Cargo on