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Bell 525 Relentless vs Boeing Bbj Max 9 vs Enstrom 480b vs Piper M600 Sls

The Bell 525 Relentless is a large, fly-by-wire helicopter aimed at corporate and offshore missions. It typically carries around 12–16 passengers depending on layout and offers medium-range legs on the order of roughly 500–700 nautical miles, trading speed and runway independence for shorter range than fixed-wing jets. The Boeing BBJ MAX 9 is a long-range VIP airliner-class business jetliner. It sits in the “large/VIP transport” category, can be configured for a small executive party or a much larger group (often a few dozen in VIP layouts), and has intercontinental-class range, roughly about 5,000–6,000+ nautical miles depending on configuration. The Enstrom 480B is a light turbine helicopter suited to utility and training roles. It’s a small-category aircraft with about 4–5 seats total and comparatively short range, commonly a few hundred nautical miles. The Piper M600 SLS is a single-engine turboprop (personal/corporate). It’s in the high-performance single category with up to 6 seats and a range around 1,200–1,500 nautical miles, offering far more range than helicopters but far less capacity and range than a BBJ.

SpecBell 525 RelentlessBoeing BBJ MAX 9Piper M600 SLS
Summary
Cockpit222
Min Crew241
Total Seats18126
Flight RulesIFRIFR
ManufacturerBellBoeingPiper
Aircraft Name525 RelentlessBBJ MAX 9M600
CertificationFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)58063761406
Max Cabin Seats1635
OEM VerificationVERIFIEDVERIFIEDVERIFIED
Useful Load (lbs)6675771202200
Standard Cabin Seats1684
Flight Deck (Base Spec)Garmin G5000HHoneywellGarmin G3000
Max Cruise Speed (ktas)160470274
Base Aircraft Price (USD)$15,000,000$107,700,000$3,081,400
DOC / nm$ 15.74$ 2.19
DOC / nm / Seat$ 1.97$ 0.55
Direct Operating Cost$ 7,396$ 603
Cabin
Cockpit222
Min Crew241
Total Seats18105
Max Cabin Seats1635
Standard Cabin Seats1684
ConfigurationGreen Interior
Cabin Pressure (psi)95.6
SL Cabin Altitude (ft)2400012600
LavatoryNo
Galley LocationMID
Galley / RefreshmentRefreshment Centre
Max Cabin Altitude (ft)8644
Engine
FADECDual-ChannelYesNo
ModelCT7-2F1LEAP-1BPT6A-42A
Fuel TypeJetFuel
TBO (hrs)4000On-Condition3600
Horsepower1800600
No. of Engines221
Fuel Capacity (gal)641260
Flat RatingISA + 15ISA + 55
Thrust (lbs)28000
Dimensions
Width (ft)25.77
Length (ft)61.58138.429.7
Cabin Width (ft)7.5811.64.1
Cabin Height (ft)4.57.14
Cabin Length (ft)15.5107.212.3
Overall Height (ft)18.1840.311.3
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)1281485
Wingspan (ft)117.943.2
Aisle Step (ft)Flat Floor
Cabin Width - Floor (ft)10.7
Cabin Length - Seating (ft)100.6
Cabin Volume (cu. ft)165
Baggage Volume Int. (cu. ft)20