Overview
The new S-434 helicopter builds on the best qualities of the S-333 helicopter, including a well laid out cockpit, outstanding flight properties and low cost of ownership. To this, we have added a four-bladed Rotor and drive system, upgraded transmission and increased fuel capacity. The result of these improvements are increased useful load, hover performance, cruise speed and lower vibration.
Attributes
Powerplant and fuel systemNumber of Engines 1
Engine Type Rolls-Royce Turbine 250-C20W
Maximum Take Off 320
Performance
Maximum Gross Weight 2,900 lbs 1,315 kg
Maximum Cruise Speed 105 kts 194 kph
HIGE Ceiling 13,100 ft 3,993 m
HOGE Ceiling 12,500 ft 3,810 m
Maximum Endurance 4 hrs
Accommodations
Standard seating (Training) 3
Standard seating (Utility) 4
Baseline Configuration
Airframe
- High stance landing gear with tube step
- Triple latch door with key locks
- Extra heavy duty skid shoes
- Tinted canopy windows
- Plush floor carpet
- Triple latch doors with key locks
Cockpit
- Accessory plug
- Three or four-place interior
- Utility seats with headrests
- Four-point inertial reel restraint system
- Switchable hot mic intercom
Powerplant and fuel system
- Rolls-Royce 250-C20W gas turbine
- Engine wash kit
- Kamatics KAFLEX drive adapter
- Oil-filled main rotor drive shaft
- External APU plug
- 73-gallon standard fuel tank
Rotor and drive system
- Cambered airfoil main rotor blades
- Fully articulated, four-bladed main Rotor and drive system
- Elastomeric dampers on main and tail Rotor and drive systems
Electrical
- 24-volt, 30-amp/hour lead acid battery
- Cyclic-mounted radio frequency scrolling switch
- 150-amp starter/generator
- Strobe/nav night light package
According: sikorsky.com
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