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Bell 525 Relentless vs Boeing Bbj Max 9 vs Md Helicopters (mcdonnell Douglas) 902 Explorer vs Piaggio Avanti Evo

The Bell 525 Relentless and the MD Helicopters 902 Explorer are helicopters, optimized for point-to-point access and vertical lift rather than long cruise range. The Bell 525 sits in the larger, long-range corporate/utility helicopter category, typically carrying around 16 passengers (with higher-density layouts possible) and offering roughly a 500–600 nautical mile class range depending on configuration. The MD 902 Explorer is a lighter twin helicopter suited to shorter missions, commonly seating about 6–8 passengers with a typical range around 300–400 nautical miles. The Piaggio Avanti EVO is a twin‑turboprop business aircraft aimed at fast regional travel, usually configured for about 7–9 passengers and offering roughly 1,500–1,700 nautical miles of range. The Boeing BBJ MAX 9 is a large VIP airliner-class business jet based on the 737 MAX 9. It has by far the greatest cabin volume and intercontinental reach, with BBJ-style ranges commonly cited around 6,000+ nautical miles and passenger capacity varying widely by interior, often in the tens (and potentially well over 100 in high-density airline layouts).

SpecBell 525 RelentlessBoeing BBJ MAX 9Piaggio Avanti EVO
Summary
Cockpit222
Min Crew241
Total Seats18128
Flight RulesIFRIFR
ManufacturerBellBoeingPiaggio
Aircraft Name525 RelentlessBBJ MAX 9Avanti EVO
CertificationFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)58063761530
Max Cabin Seats16357
OEM VerificationVERIFIEDVERIFIEDUn-Verified
Useful Load (lbs)6675771203775
Standard Cabin Seats1686
Flight Deck (Base Spec)Garmin G5000HHoneywellRockwell Collins Pro Line 21
Max Cruise Speed (ktas)160470400
Base Aircraft Price (USD)$15,000,000$107,700,000$ 7,695,000
DOC / nm$ 15.74
DOC / nm / Seat$ 1.97
Direct Operating Cost$ 7,396
Cabin
Cockpit222
Min Crew241
Total Seats18108
Max Cabin Seats16357
Standard Cabin Seats1686
ConfigurationGreen Interior
Cabin Pressure (psi)99
SL Cabin Altitude (ft)2400024000
LavatoryNo
Galley / RefreshmentNo
Max Cabin Altitude (ft)6600
Engine
FADECDual-ChannelYesYes
ModelCT7-2F1LEAP-1BPT6A–66B
Fuel TypeJetFuel
TBO (hrs)4000On-Condition3600
Horsepower1800850
No. of Engines222
Fuel Capacity (gal)641
Flat RatingISA + 15ISA + 28
Thrust (lbs)28000
Fuel Burn (gph)100
Dimensions
Width (ft)25.77
Length (ft)61.58138.447.3
Cabin Width (ft)7.5811.66.1
Cabin Height (ft)4.57.15.8
Cabin Length (ft)15.5107.214.9
Overall Height (ft)18.1840.313.1
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)1281485
Wingspan (ft)117.947.1
Aisle Step (ft)Flat Floor
Cabin Width - Floor (ft)10.73.5
Cabin Length - Seating (ft)100.6
Baggage Volume Int. (cu. ft)35.2