AIR.ONE

Bell 525 Relentless vs Leonardo Aw189

The Bell 525 Relentless and the Leonardo AW189 are both modern, medium-class twin‑engine helicopters aimed at offshore energy, corporate, and government missions, but they differ in emphasis. In category terms, the Bell 525 is often positioned as a “super‑medium” with a larger, more powerful design intended to bridge the gap toward heavier offshore machines, while the AW189 is a proven medium helicopter optimized around efficient offshore transport and multi‑role operations. On range, both are designed for offshore legs, yet the Bell 525 is generally advertised with longer legs and more endurance potential depending on configuration, reflecting its super‑medium positioning. The AW189’s range is competitive for typical offshore profiles and is often selected for its combination of reach and operating economics. For passenger capacity, both can be configured to carry roughly the high‑teens to around 19 passengers in high‑density seating, but real-world layouts vary by mission equipment, fuel, and comfort requirements. Overall, the 525 tends to prioritize higher performance and longer-range capability, while the AW189 emphasizes established in-service maturity and versatile mission fit.

SpecBell 525 RelentlessAGUSTA / LEONARDO AW189
Summary
Cockpit22
Min Crew21
Total Seats1821
Flight RulesIFRIFR
ManufacturerBellLeonardo
Aircraft Name525 RelentlessAW189
CertificationFAA / EASAFAA / EASA
Max Range (nm)580651
Max Cabin Seats1619
OEM VerificationVERIFIEDUn-Verified
Useful Load (lbs)6675
Standard Cabin Seats1619
Flight Deck (Base Spec)Garmin G5000HEFIS
Max Cruise Speed (ktas)160155
Base Aircraft Price (USD)$15,000,000$2,413,000
DOC / nm$ 15.57
DOC / nm / Seat$ 0.74
Direct Operating Cost$ 2,413
Cabin
Cockpit22
Min Crew21
Total Seats1821
Max Cabin Seats1619
Standard Cabin Seats1619
Engine
FADECDual-ChannelYes
ModelCT7-2F1CT7-2E1
Fuel TypeJetFuelJetFuel
TBO (hrs)40004000
Horsepower18001983
No. of Engines22
Fuel Capacity (gal)641
Dimensions
Width (ft)25.77
Length (ft)61.5857.8
Cabin Width (ft)7.58
Cabin Height (ft)4.5
Cabin Length (ft)15.5
Overall Height (ft)18.1816.6
Rotor Diameter (ft)54.548
Baggage Volume Ext. (cu. ft)12885
Cabin Volume (cu. ft)395