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Md Helicopters Md 500e vs Robinson Helicopters R44 Raven Ii vs Robinson Helicopters R66

The MD Helicopters MD 500E is typically categorized as a light, single‑engine turbine helicopter oriented toward utility, training, and law‑enforcement-style missions. It generally carries a pilot plus up to four passengers (about five seats total, depending on configuration) and is commonly used on relatively short-to-moderate legs, with range often in the few-hundred‑mile class depending on fuel and reserves. The Robinson R44 Raven II is a light, single‑engine piston helicopter aimed at private, training, and light utility work. It also generally seats four (pilot plus three passengers) and tends to offer a comparable or sometimes better practical range than many small turbines, again typically in the few-hundred‑mile class depending on loading and fuel. The Robinson R66 is a light, single‑engine turbine helicopter positioned between the R44 and larger turbines. It commonly seats five (pilot plus four passengers) and typically provides a range in the few-hundred‑mile class, often competitive with or better than small turbines, depending on configuration and reserves.

SpecMD Helicopters MD 500EROBINSON R44 Raven IIROBINSON R66
Summary
Cockpit2—2
DOC / nm$ 2.95$ 2.36$ 3.49
Min Crew1—1
Total Seats445
Flight RulesVFRVFRVFR
ManufacturerMD HelicotpersRobinson HelicoptersRobinson Helicopters
Aircraft NameMD 500ER44 Raven IIR66
CertificationFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)258300350
DOC / nm / Seat$ 0.74$ 0.59$ 0.70
Max Cabin Seats3——
OEM VerificationUn-VerifiedUn-VerifiedUn-Verified
Useful Load (lbs)14839951355
Standard Cabin Seats2—3
Direct Operating Cost$ 398$ 257$ 384
Flight Deck (Base Spec)Gyro / AnalogGyro / AnalogGyro / Analog
Max Cruise Speed (ktas)135109110
Base Aircraft Price (USD)$ 2,750,000$ 490,000$ 920,000
Cabin
Cockpit2—2
Min Crew1—1
Total Seats445
Max Cabin Seats3——
Standard Cabin Seats2—3
Engine
FADECNoNoNo
Model250-C20BIO-540RR300
Fuel TypeJetFuelAvGasJetFuel
TBO (hrs)350022002000
Horsepower420245300
No. of Engines111
Fuel Burn (gph)35——
Fuel Capacity (gal)6429.573.6
TBO (yrs)—12—
Fuel Delivery—Fuel Injected—
Dimensions
Length (ft)30.938.338.3
Overall Height (ft)8.710.811.4
Rotor Diameter (ft)26.43333
Baggage Volume Int. (cu. ft)—2.5—
Cabin Volume (cu. ft)——50
Baggage Volume Ext. (cu. ft)——18