the Boomerang!!!
Yes I realise with its slow speed it will get its arse kicked, however, it was flown alot during WW2
http://en.wikipedia.org/wiki/CAC_BoomerangGeneral characteristics
Crew: 1 
Length: 25 ft 6 in (7.77 m) 
Wingspan: 36 ft 0 in (10.97 m) 
Height: 9 ft 7 in (2.92 m) 
Wing area: 225 ft² (20.9 m²) 
Empty weight: 5,373 lb (2,437 kg) 
Loaded weight: 7,699 lb (3,492 kg) 
Powerplant: 1× Pratt & Whitney R-1830 Twin Wasp radial engine, 1,200 hp (895 kW) 
Performance
Maximum speed: 305 mph (265 knots, 491 km/h) at 15,500 ft (4,730 m) 
Range: 930 mi (810 nm, 1,500 km) 
Service ceiling: 29,000 ft (8,800 m) 
Rate of climb: 2,940 ft/min (14.9 m/s) 
Wing loading: 34.2 lb/ft² (167.1 kg/m²) 
Power/mass: 0.16 hp/lb (256 W/kg) 
Armament
Guns:
2× 20 mm (0.787 in) Hispano or CAC cannons 
4× 0.303 in (7.7 mm) Browning machine guns 
Bombs: Could be fitted when the large drop tank was not carried