AircraftWellington Mk IVWellington Mk IVWellington Mk IVFamilyVickers WellingtonClassBomberProduced220ChangesPratt & Whitney Twin Wasp engines; built at Broughton.Engines2Service193119321933193419351936193719381939194019411942194319441945United Kingdom · Western Europe≈ 20 Oct 1941 – Sep 1942