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Bell 525 Relentless vs Cessna 208b Grand Caravan Ex vs Md Helicopters (mcdonnell Douglas) 902 Explorer vs Piper M600 Sls

The Bell 525 Relentless and the MD Helicopters 902 Explorer are helicopters, generally optimized for vertical lift, offshore, EMS, and point-to-point access where runways are unavailable. The Bell 525 is a larger, higher-end transport-category helicopter with substantially greater range and passenger capacity than the 902, which is a lighter twin-engine helicopter typically used for police, utility, and air medical roles with more modest range and seating. The Cessna 208B Grand Caravan EX and Piper M600 SLS are fixed-wing turboprops that require runways and typically deliver better cruise efficiency and longer range than helicopters. The Caravan EX is a rugged utility and commuter aircraft, usually configured for higher passenger or payload volume, commonly seating around 9–14 depending on interior and regulations, and offering solid regional range. The Piper M600 SLS is a pressurized, single-engine personal/business aircraft emphasizing speed and comfort over capacity, typically carrying about 5–6 passengers with longer range than the Caravan in many real-world cruise profiles, but far less cabin volume and payload flexibility.

SpecBell 525 RelentlessPiper M600 SLS
Summary
Cockpit22
Min Crew21
Total Seats186
Flight RulesIFRIFR
ManufacturerBellPiper
Aircraft Name525 RelentlessM600
CertificationFAA / EASAFAA / EASA
Max Range (nm)5801406
Max Cabin Seats16
OEM VerificationVERIFIEDVERIFIED
Useful Load (lbs)66752200
Standard Cabin Seats164
Flight Deck (Base Spec)Garmin G5000HGarmin G3000
Max Cruise Speed (ktas)160274
Base Aircraft Price (USD)$15,000,000$3,081,400
DOC / nm$ 2.19
DOC / nm / Seat$ 0.55
Direct Operating Cost$ 603
Cabin
Cockpit22
Min Crew21
Total Seats185
Max Cabin Seats16
Standard Cabin Seats164
LavatoryNo
Galley LocationMID
Cabin Pressure (psi)5.6
Galley / RefreshmentRefreshment Centre
SL Cabin Altitude (ft)12600
Max Cabin Altitude (ft)8644
Engine
FADECDual-ChannelNo
ModelCT7-2F1PT6A-42A
Fuel TypeJetFuel
TBO (hrs)40003600
Horsepower1800600
No. of Engines21
Fuel Capacity (gal)641260
Flat RatingISA + 55
Dimensions
Width (ft)25.77
Length (ft)61.5829.7
Cabin Width (ft)7.584.1
Cabin Height (ft)4.54
Cabin Length (ft)15.512.3
Overall Height (ft)18.1811.3
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)128
Wingspan (ft)43.2
Cabin Volume (cu. ft)165
Baggage Volume Int. (cu. ft)20