Schweizer Model 333 Light Helicopter, USA

 

Dimensions:

Rotor system
27.51ft (8.39m)
Main rotor disk area
594ft² (55.18m²)
Main rotor RPM
466 - 471
Tail rotor diameter
4.25ft (1.30m)

Weights:

Empty weight
1,250lb (567kg)
Gross weight
2,550lb (1,157kg)
Useful load
1,340lb (590kg)

Powerplant:

Type
Rolls-Royce 250-C20W Gas Turbine Engine
Maximum takeoff (derated)
250shp (186kW), 280shp (208kW) optional
Maximum continuous (derated)
230shp (171kW)
Turbine fuel capacity
493lb (224kg)

Performance:

Typical cruise speed (4,000ft, Kias)
105kts (192km/h)
VNE
120kts (222km/h)
Maximum range 2,000ft, std day (no reserves)
310nm (574km)
Maximum endurance 2,000ft, std day (no reserves)
4.1 hr

Hover Performance:

In-ground effect
11,900ft (3,627m)
Out-of ground effect
85,00ft (2,591m)

Operating Ceiling:

Pressure altitude
13,000ft (3,904m)



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