The Mitsubishi F1M2, also called Pete by the allies, was a Japanese Observation seaplane used in Papua New Guinea and surrounding countries during WWII. It was a biplane with a single centre float.

Specifications

Crew: two, pilot and rear gunner
Length: 9.5 m (31 ft 2 in)
Wingspan: 11 m (36 ft 1 in)
Height: 4 m (13 ft 1½ in)
Wing area: 29.5 m² (318 ft²)
Empty weight: 1,928 kg (4,251 lb)
Loaded weight: 2,550 kg (5,622 lb)
Max takeoff weight: 2,856 kg^[2] (6,296 lb)
Powerplant: 1× Mitsubishi Zuisei 13 14-cylinder two-row radial engine, 653 kW (875 hp)
Maximum speed: 370 km/h (200 kn, 230 mph) at 3,440 m (11,300 ft)
Range: 740 km (400 nmi, 460 mi)
Service ceiling: 9,440 m (30,970 ft)
Wing loading: 86.3 kg/m² (17.7 lb/ft²)
Power/mass: 2.9 kW/kg (6.85 hp/lb)
Climb to 5,000 m (16,404 ft): 9 min 36 sec
2 × fixed forward-firing 7.7 mm (.303 in) Type 97 machine guns
1 × flexible rearward-firing 7.7 mm (.303 in) Type 92 machine gun
Bombs: 2 × 60 kg (132 lb) bombs

I will be modelling this in scale 1:5, giving the following dimensions:

Wing-Span: 2.20 m
Length: 1.90 m