SQ Wings CAAC Boeing 747-200 B-2440 1:200 Diecast Model1: 200 Diecast: CAAC Boeing 747 243B B 2440 (SQ Wings L2082) B 2440 is a Boeing 747 243B, MSN 19731, line number 120, delivered to CAAC on 20 May 1985. The 243B designates an Alitalia type passenger variant, one of several 747 200s CAAC acquired during the 1980s to expand China's long haul network before the airline dissolved into Air China and other regional carriers in 1988. B 2440 represents the generation when a single state body controlled all of