Firefly Mk IV The Firefly Mk IV was equipped with the 2,330 hp (1,740 kW) Griffon 72 engine and first flew in 1944, but did not enter service until after the end of the war.
Firefly Mk IV Mk IV havde en 2.330 hk (1.740 kW) Griffon 72 motor og fløj første gang i 1944, men kom først i tjeneste efter krigens slutning.