EnginesRolls-Royce Merlin IIIRolls-Royce Merlin IIIRolls-Royce Merlin IIILayoutVCoolingLiquidFuelPetrolDisplacement27.022 LAircraft 2193119321933193419351936193719381939194019411942194319441945Defiant Mk I723≈ May 1940 – Jun 1942Defiant NF Mk IA