Compare Bell 525 Relentless vs Leonardo AW139 vs Leonardo AW189
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| Manufacturer | Bell | Leonardo | Leonardo |
| Aircraft Type | 525 Relentless | AW139 | AW189 |
| Base Aircraft Price (USD) | $15,000,000 | $15,900,000 | $2,413,000 |
| Direct Operating Cost | - | $ 1,929 | $ 2,413 |
| DOC / nm | - | $ 11.69 | $ 15.57 |
| DOC / nm / Seat | - | $ 0.69 | $ 0.74 |
| Max Cruise Speed (ktas) | 160 | 165 | 155 |
| Max Range (nm) | 580 | 573 | 651 |
| Useful Load (lbs) | 6675 | 4701 | - |
| Total Seats | 18 | 17 | 21 |
| Cockpit | 2 | 2 | 2 |
| Standard Cabin Seats | 16 | 15 | 19 |
| Max Cabin Seats | 16 | 15 | 19 |
| Min Crew | 2 | 2 | 1 |
| Flight Deck (Base Spec) | Garmin G5000H | EFIS | EFIS |
| Flight Rules | IFR | IFR | IFR |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| OEM Verification | VERIFIED | Un-Verified | Un-Verified |
| Weights | |||
| MTOW (lbs) | 20500 | 15430 | 18370 |
| MTOW External Load (lbs) | 21500 | - | - |
| Max External Load (lbs) | 7000 | - | - |
| BOW (lbs) | - | 9409 | - |
| BEW (lbs) | 13825 | 7985 | - |
| Useful Load (lbs) | 6675 | 4701 | - |
| Fuel Capacity (lbs) | 4294.7 | 3276 | - |
| Useful Load Max Fuel (lbs) | 2380 | 1937 | - |
| Dimensions | |||
| Rotor Diameter (ft) | 54.5 | 54.7 | 48 |
| Width (ft) | 25.77 | - | - |
| Overall Height (ft) | 18.18 | 16.4 | 16.6 |
| Length (ft) | 61.58 | 54.7 | 57.8 |
| Cabin Height (ft) | 4.5 | - | - |
| Cabin Width (ft) | 7.58 | - | - |
| Cabin Length (ft) | 15.5 | - | - |
| Cabin Volume (cu. ft) | - | 282 | 395 |
| Baggage Volume Ext. (cu. ft) | 128 | 120 | 85 |
| Engine | |||
| No. of Engines | 2 | 2 | 2 |
| Manufacturer | Bell | Leonardo | Leonardo |
| Model | CT7-2F1 | PT6C-67C | CT7-2E1 |
| Horsepower | 1800 | 1679 | 1983 |
| FADEC | Dual-Channel | Yes | Yes |
| TBO (hrs) | 4000 | 5000 | 4000 |
| Fuel Type | JetFuel | JetFuel | JetFuel |
| Fuel Capacity (gal) | 641 | 414 | - |
| Avionics | |||
| Flight Deck | Garmin G5000H | EFIS | EFIS |
| Flight Rules | IFR | IFR | IFR |
| FMS | 2 | 2 | 2 |
| Autopilot | 1 x 4-Axis | 2 | 2 |
| PFD | 2 | - | - |
| MFD | 2 | - | - |
| GPS | 2 | 1 | 1 |
| AHRS | 3 | - | - |
| Flight Director | 3 | - | - |
| ADC | 3 | - | - |
| Transponder | 2 | 1 | 1 |
| VHF Com | 2 | 1 | 1 |
| VHF NAV | 2 | 1 | 1 |
| Cabin | |||
| Total Seats | 18 | 17 | 21 |
| Cockpit | 2 | 2 | 2 |
| Standard Cabin Seats | 16 | 15 | 19 |
| Max Cabin Seats | 16 | 15 | 19 |
| Min Crew | 2 | 2 | 1 |
| Other | |||
| Gear Type | Retractable Wheel | Retractable Wheels | Retractable Wheels |
| Rotorhead | 5-Blade Articulated | 5-Blade Articulated | 5-Blade Articulated |
| Tail Rotor | 4-Blade | 4-Blade | 4-Blade |
| Warranty | |||
| Pilot Training Credits | 1 | - | - |
| MTX Training Credits | 1 | - | - |
| Airframe (Yrs) | 3 | - | - |
| Airframe (Hrs) | 1000 | - | - |
| Engine (Hrs) | 1000 | - | - |
| Performance | |||
| Max Cruise Speed (ktas) | 160 | 165 | 155 |
| Long Range Cruise (ktas) | 145 | 140 | 145 |
| Max Speed (Vne) | 175 | 167 | 169 |
| Max Range (nm) | 580 | 573 | 651 |
| Range Seats Full (nm) | 560 | 302 | 651 |
| Max Climb Rate (fpm) | - | 2140 | 1960 |
| Service Ceiling (ft) | 12000 | 20000 | - |
| Hover IGE (ft) | 10700 | 15360 | 16900 |
| Hover OGE (ft) | 8100 | 8130 | 9490 |