Compare Curti Zefhir vs Robinson Helicopters R22 Beta II vs Robinson Helicopters R44 Raven I vs Robinson Helicopters R44 Raven II vs Robinson Helicopters R66

Curti Zefhir
Robinson Helicopters R22 Beta II
Robinson Helicopters R44 Raven I
Robinson Helicopters R44 Raven II
Robinson Helicopters R66
ManufacturerCurtiRobinson HelicoptersRobinson HelicoptersRobinson HelicoptersRobinson Helicopters
Aircraft TypeZefhirR22 Beta IIR44 Raven IR44 Raven IIR66
Base Aircraft Price (USD)$58,823$ 312,000$ 412,000$ 490,000$ 920,000
Direct Operating Cost-$ 173$ 248$ 257$ 384
DOC / nm-$ 1.80$ 2.30$ 2.36$ 3.49
DOC / nm / Seat-$ 0.90$ 0.57$ 0.59$ 0.70
Max Cruise Speed (ktas)-96108109110
Max Range (nm)319250300300350
Useful Load (lbs)-4909509951355
Total Seats22445
Cockpit----2
Standard Cabin Seats----3
Min Crew----1
Flight Deck (Base Spec)-Gyro / AnalogGyro / AnalogGyro / AnalogGyro / Analog
Flight Rules-VFRVFRVFRVFR
Certification-FAA / EASAFAA / EASAFAA / EASAFAA / EASA
OEM Verification-Un-VerifiedUn-VerifiedUn-VerifiedUn-Verified
Weights
MTOW (lbs)-1370240025002700
BEW (lbs)-880145015051345
Useful Load (lbs)-4909509951355
Fuel Capacity (lbs)-157279279493
Useful Load Max Fuel (lbs)-333671716862
Max Baggage Weight (lbs)699----
Dimensions
Rotor Diameter (ft)-25.2333333
Overall Height (ft)-8.810.810.811.4
Length (ft)-28.538.338.338.3
Cabin Volume (cu. ft)----50
Baggage Volume Int. (cu. ft)-1.52.52.5-
Baggage Volume Ext. (cu. ft)----18
Engine
No. of Engines-1111
ManufacturerCurtiRobinson HelicoptersRobinson HelicoptersRobinson HelicoptersRobinson Helicopters
Model-O-360O-540IO-540RR300
Horsepower-131225245300
FADEC-NoNoNoNo
TBO (hrs)-2000220022002000
TBO (yrs)-121212-
Fuel Type-AvGasAvGasAvGasJetFuel
Fuel Delivery-CarburetedCarburetedFuel Injected-
Fuel Capacity (gal)-11529.529.573.6
Avionics
Flight Deck-Gyro / AnalogGyro / AnalogGyro / AnalogGyro / Analog
Flight Rules-VFRVFRVFRVFR
Transponder-1111
VHF Com-1111
VHF NAV----1
Cabin
Total Seats22445
Cockpit----2
Standard Cabin Seats----3
Min Crew----1
Other
Gear Type-SkidsSkidsSkidsLow Skids
Rotorhead-2-Blade Teetoring2-Blade Teetoring2-Blade Teetoring2-Blade Teetoring
Tail Rotor-2-Blade2-Blade2-Blade2-Blade
Performance
Max Cruise Speed (Mach)185----
Max Cruise Speed (ktas)-96108109110
Long Range Cruise (ktas)-83100100110
Max Speed (Vne)-102130130130
Max Range (nm)319250300300350
Range Seats Full (nm)-206258257341
Max Climb Rate (fpm)-1000100010001000
Service Ceiling (ft)-14000140001400014000
Hover IGE (ft)-94006400895010000
Hover OGE (ft)----10000
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