Compare Airbus Helicopters H155 vs Bell 525 Relentless vs Leonardo AW139
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| Manufacturer | Airbus Helicopters | Bell | Leonardo |
| Aircraft Type | H155 | 525 Relentless | AW139 |
| Base Aircraft Price (USD) | $14,800,000 | $15,000,000 | $15,900,000 |
| Direct Operating Cost | $ 1,593 | - | $ 1,929 |
| DOC / nm | $ 11.06 | - | $ 11.69 |
| DOC / nm / Seat | $ 0.74 | - | $ 0.69 |
| Max Cruise Speed (ktas) | 144 | 160 | 165 |
| Max Range (nm) | 423 | 580 | 573 |
| Useful Load (lbs) | 4012 | 6675 | 4701 |
| Total Seats | 14 | 18 | 17 |
| Cockpit | 2 | 2 | 2 |
| Standard Cabin Seats | 12 | 16 | 15 |
| Max Cabin Seats | 12 | 16 | 15 |
| Min Crew | 2 | 2 | 2 |
| Flight Deck (Base Spec) | EFIS | Garmin G5000H | EFIS |
| Flight Rules | IFR | IFR | IFR |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| OEM Verification | Un-Verified | VERIFIED | Un-Verified |
| Weights | |||
| MTOW (lbs) | 10846 | 20500 | 15430 |
| MTOW External Load (lbs) | 10846 | 21500 | - |
| Max External Load (lbs) | 3527 | 7000 | - |
| BOW (lbs) | - | - | 9409 |
| BEW (lbs) | 5574 | 13825 | 7985 |
| Useful Load (lbs) | 4012 | 6675 | 4701 |
| Fuel Capacity (lbs) | 1411 | 4294.7 | 3276 |
| Useful Load Max Fuel (lbs) | 3661 | 2380 | 1937 |
| Dimensions | |||
| Rotor Diameter (ft) | 41.1 | 54.5 | 54.7 |
| Width (ft) | - | 25.77 | - |
| Overall Height (ft) | 14.3 | 18.18 | 16.4 |
| Length (ft) | 46.9 | 61.58 | 54.7 |
| Cabin Height (ft) | - | 4.5 | - |
| Cabin Width (ft) | - | 7.58 | - |
| Cabin Length (ft) | - | 15.5 | - |
| Cabin Volume (cu. ft) | 235.2 | - | 282 |
| Baggage Volume Ext. (cu. ft) | 88.3 | 128 | 120 |
| Engine | |||
| No. of Engines | 2 | 2 | 2 |
| Manufacturer | Airbus Helicopters | Bell | Leonardo |
| Model | Arriel 2C2 | CT7-2F1 | PT6C-67C |
| Horsepower | 943 | 1800 | 1679 |
| FADEC | Yes | Dual-Channel | Yes |
| TBO (hrs) | 4000 | 4000 | 5000 |
| Fuel Type | JetFuel | JetFuel | JetFuel |
| Fuel Capacity (gal) | 332 | 641 | 414 |
| Avionics | |||
| Flight Deck | EFIS | Garmin G5000H | EFIS |
| Flight Rules | IFR | IFR | IFR |
| Standby Instrument | Digital | - | - |
| FMS | - | 2 | 2 |
| Autopilot | 4-Axis | 1 x 4-Axis | 2 |
| PFD | 2 | 2 | - |
| MFD | - | 2 | - |
| GPS | 1 | 2 | 1 |
| AHRS | 2 | 3 | - |
| Flight Director | - | 3 | - |
| ADC | 2 | 3 | - |
| Transponder | 1 | 2 | 1 |
| VHF Com | 1 | 2 | 1 |
| VHF NAV | 1 | 2 | 1 |
| Cabin | |||
| Total Seats | 14 | 18 | 17 |
| Cockpit | 2 | 2 | 2 |
| Standard Cabin Seats | 12 | 16 | 15 |
| Max Cabin Seats | 12 | 16 | 15 |
| Min Crew | 2 | 2 | 2 |
| Configuration | Green Interior | - | - |
| Other | |||
| Gear Type | Retractable Wheels | Retractable Wheel | Retractable Wheels |
| Rotorhead | 5-Blade Articulated | 5-Blade Articulated | 5-Blade Articulated |
| Tail Rotor | Enclosed Fenestron | 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) | 144 | 160 | 165 |
| Long Range Cruise (ktas) | 140 | 145 | 140 |
| Max Speed (Vne) | 175 | 175 | 167 |
| Max Range (nm) | 423 | 580 | 573 |
| Range Seats Full (nm) | 423 | 560 | 302 |
| Endurance (hrs) | 4 | - | - |
| Max Climb Rate (fpm) | 1154 | - | 2140 |
| Service Ceiling (ft) | - | 12000 | 20000 |
| Hover IGE (ft) | 7050 | 10700 | 15360 |
| Hover OGE (ft) | - | 8100 | 8130 |