Antonov An-4

This designation was used for An-2V seaplanes produced at Kiev, but does not seem to be used much.

This is either due to very limited production at Kiev or operators not making the distinction between the An-2V and An-4.

Specifications

Crew

1–2

Capacity

12 passengers / 2,140 kg (4,718 lb)

Length

12.4 m (40 ft 8 in)

Upper wingspan

18.2 m (59 ft 9 in)

Lower wingspan

14.2 m (46 ft 7 in)

Height

4.1 m (13 ft 5 in)

Wing area

71.52 m2 (769.8 sq ft)

Airfoil

TsAGI R-11 (14%)

Empty weight

3,300 kg (7,275 lb)

Gross weight

5,440 kg (11,993 lb)

Fuel capacity

1,200 l (320 US gal; 260 imp gal)

Powerplant

1 × Shvetsov ASh-62IR, 9-cylinder air-cooled supercharged radial piston engine,

750 kW (1,010 hp)

Propellers

4-bladed constant-speed propeller

Performance

Maximum speed

258 km/h (160 mph, 139 kn)

Cruise speed

190 km/h (120 mph, 100 kn)

Stall speed

50 km/h (31 mph, 27 kn) 

Range

845 km (525 mi, 456 nmi)

Service ceiling

4,500 m (14,800 ft)

Rate of climb

3.5 m/s (690 ft/min)

Power/mass

0.136 kW/kg (0.083 hp/lb)

Fuel consumption

185–200 l/h (49–53 gal/h; 41–44 imp gal/h)