Performance Maximum speed: 330 kn (380 mph, 621 kmh) Stall speed: 73 kn (84 mph, 135 kmh) Combat radius: 820 nmi (945 mi, 1520 km) Ferry range: 1330 .brbrbrbrLargely responsible for crushing Japanese airpower wherever the American fast carrier force sailed, the Grumman F6F Hellcat was considered the most .