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Bell 525 Relentless vs Boeing Bbj Max 9 vs Enstrom 480b vs Robinson R66

The Bell 525 Relentless and Boeing BBJ MAX 9 sit in entirely different categories: the 525 is a super‑medium twin‑engine helicopter optimized for point‑to‑point access (including offshore and executive missions), while the BBJ MAX 9 is a long‑range, large‑cabin business jet based on an airliner platform. In range, the BBJ MAX 9 is in another league, capable of intercontinental missions, whereas the Bell 525 is typically used for several-hundred‑nautical‑mile legs suited to regional operations. Passenger capacity follows the same pattern: a BBJ MAX 9 can be configured to carry a large group (often dozens) depending on layout, while the Bell 525 generally carries a small executive/mission team (around a dozen including crew, depending on configuration). The Enstrom 480B and Robinson R66 are lighter single‑engine helicopters aimed at utility, training, personal, and light commercial roles. Their ranges are shorter than the Bell 525’s and far shorter than the BBJ’s, and their passenger capacities are small: the 480B typically carries up to five including the pilot, while the R66 typically carries up to five including the pilot.

SpecBell 525 RelentlessBoeing BBJ MAX 9
Summary
Cockpit22
Min Crew24
Total Seats1812
Flight RulesIFR
ManufacturerBellBoeing
Aircraft Name525 RelentlessBBJ MAX 9
CertificationFAA / EASAFAA / EASA
Max Range (nm)5806376
Max Cabin Seats1635
OEM VerificationVERIFIEDVERIFIED
Useful Load (lbs)667577120
Standard Cabin Seats168
Flight Deck (Base Spec)Garmin G5000HHoneywell
Max Cruise Speed (ktas)160470
Base Aircraft Price (USD)$15,000,000$107,700,000
DOC / nm$ 15.74
DOC / nm / Seat$ 1.97
Direct Operating Cost$ 7,396
Cabin
Cockpit22
Min Crew24
Total Seats1810
Max Cabin Seats1635
Standard Cabin Seats168
ConfigurationGreen Interior
Cabin Pressure (psi)9
SL Cabin Altitude (ft)24000
Engine
FADECDual-ChannelYes
ModelCT7-2F1LEAP-1B
Fuel TypeJetFuel
TBO (hrs)4000On-Condition
Horsepower1800
No. of Engines22
Fuel Capacity (gal)641
Flat RatingISA + 15
Thrust (lbs)28000
Dimensions
Width (ft)25.77
Length (ft)61.58138.4
Cabin Width (ft)7.5811.6
Cabin Height (ft)4.57.1
Cabin Length (ft)15.5107.2
Overall Height (ft)18.1840.3
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)1281485
Wingspan (ft)117.9
Aisle Step (ft)Flat Floor
Cabin Width - Floor (ft)10.7
Cabin Length - Seating (ft)100.6