JC Wings 1:400 China Eastern Comac C919 B-001J Diecast Model1: 400 Diecast: China Eastern Comac C919 B 001J "First Production Aircraft" (JC Wings LH4321) B 001J carries a distinction no other C919 model can replicate: it is the airframe that bridged certification and commercial service for China's first domestically designed narrow body jet. Registered B 001J as a factory production aircraft, it rolled out in China Eastern colors as early as May 2022 months before COMAC received CAAC type certification on