Vickers Type 271: Prototype.1,2
Wellington Mk I: Had Pegasus radial engines.2,5 Fuselage, tail, and tail wheel were redesigned.3
Wellington Mk IA: Different nose and tail turrets.3
Wellington Mk IC: Mine layer.2,5 Had a Nash and Thompson nose and tail turrets installed.2 Beam guns replaced ventral guns.3 Mainwheels were larger and stuck out slightly from the nacelles when retracted.3
Wellington DW.Mk I: Had mine exploding loops.2,5 First used in 1940.2
Wellington Mk II: Had Merlin engines.2,5
Wellington Mk III: Had Hercules III or XI engines.2
Wellington Mk IV: Had Twin Wasp engines.2,5 High altitude.5 The cabin was pressurised.5
Wellington Mk V: High altitude.1,3,5 Could reach 38,000' / 11,600 m.1 The cabin was pressurised.1,3,5 Had Twin Wasp engines.2 Had cigar shaped forward fuselage.3 Experimental.3
Wellington Mk VI: High altitude.1,3,5 Could reach 38,000' / 11,600 m.1 The cabin was pressurised.1,5 Had Twin Wasp engines.2 Longer wings.3 Never saw operational service.3
Wellington GR.VIII: Coastal Command version.2,5 Had Pegasus engines.2,5 Had ASV radar.2,5
Wellington Mk X: Had Hercules XVIII engines.2,5 Had Hercules XVI engines (1,675 or 1,735 HP).3
Wellington GR.XI: Coastal Command version.2,5 Had Hercules5 engines, a Leigh Light, and two torpedoes.2 Had Hercules XVI engines (1,675 or 1,735 HP).3 Had radar for day operations.3
Wellington GR.XII: Coastal Command version.2,5 Had Hercules5 engines, a Leigh Light3, and two torpedoes.2 Had Hercules XVI engines (1,675 or 1,735 HP).3 Was used for night time anti-submarine patrols.3
Wellington GR.XIII: Coastal Command version.5 Had Hercules5 XVI engines (1,675 or 1,735 HP).3
Wellington GR.XIV: Had Hercules XVI engines (1,675 or 1,735 HP).3
Wellington C.XV: Transport.2,5 Converted from the Mk IC.2,5 Unarmed.3
Wellington C.XVI: Transport.2,5 Converted from the Mk IC.2,5 Unarmed.3
Wellington T.XVII: Trainer.2,5 Night fighter trainer.3
Wellington T.XVIII: Trainer.2,5 Navigation trainer.3 Had nose radar.3
