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Bell 525 Relentless vs Leonardo Aw609

The Bell 525 Relentless sits in the “super-medium” helicopter category, positioned between lighter medium twins used for short-haul corporate or utility missions and larger heavy helicopters built for maximum payload and long-range offshore work. In practical terms, it offers a balance of speed, cabin volume, and operating economics that makes it a common point of comparison to other super-medium and smaller heavy-class rotorcraft. On range, the 525 is designed for longer legs than typical medium twins, aiming to support extended offshore routes and intercity flights without frequent refueling, though it generally will not match the very longest-range heavy helicopters optimized for deepwater operations. For passenger capacity, it is intended to carry a moderate group rather than a small executive load. Typical configurations emphasize a spacious cabin that can accommodate roughly a dozen-plus passengers depending on layout and mission equipment, while heavy helicopters often push higher passenger counts and more baggage volume at the cost of greater size and operating expense.

SpecBell 525 Relentless
Summary
Cockpit2
Min Crew2
Total Seats18
Flight RulesIFR
ManufacturerBell
Aircraft Name525 Relentless
CertificationFAA / EASA
Max Range (nm)580
Max Cabin Seats16
OEM VerificationVERIFIED
Useful Load (lbs)6675
Standard Cabin Seats16
Flight Deck (Base Spec)Garmin G5000H
Max Cruise Speed (ktas)160
Base Aircraft Price (USD)$15,000,000
Cabin
Cockpit2
Min Crew2
Total Seats18
Max Cabin Seats16
Standard Cabin Seats16
Engine
FADECDual-Channel
ModelCT7-2F1
Fuel TypeJetFuel
TBO (hrs)4000
Horsepower1800
No. of Engines2
Fuel Capacity (gal)641
Dimensions
Width (ft)25.77
Length (ft)61.58
Cabin Width (ft)7.58
Cabin Height (ft)4.5
Cabin Length (ft)15.5
Overall Height (ft)18.18
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)128