AIR.ONE

Bell 525 Relentless vs Boeing Bbj Max 9 vs Cessna 208b Grand Caravan Ex vs Piaggio Avanti Evo

The Bell 525 Relentless is a twin‑engine helicopter aimed at executive and offshore missions; it typically carries around 16 passengers in an airline-style layout (fewer in VIP), and offers roughly a 500–600 nautical mile class range depending on payload and reserves. The Boeing BBJ MAX 9 is a long‑range VIP airliner derived from the 737 MAX 9; it sits in a large‑cabin business jet category, can be configured for a few dozen VIP passengers (often 25–50, with much higher in high‑density airline seating), and has intercontinental range on the order of about 6,000+ nautical miles with auxiliary tanks. The Cessna 208B Grand Caravan EX is a single‑engine turboprop utility aircraft used for regional, cargo, and rugged-field operations; it typically carries 9–14 passengers and has about a 900–1,200 nautical mile class range depending on load. The Piaggio Avanti EVO is a fast twin‑turboprop business aircraft; it usually seats 6–9 passengers and offers roughly 1,400–1,800 nautical miles of range, emphasizing speed and efficiency over short-field utility.

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