Compare Airbus Helicopters H145 vs Bell 525 Relentless
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| Manufacturer | Airbus Helicopters | Bell |
| Aircraft Type | H145 | 525 Relentless |
| Base Aircraft Price (USD) | $10,200,000 | $15,000,000 |
| Direct Operating Cost | $ 1,210 | - |
| DOC / nm | $ 9.31 | - |
| DOC / nm / Seat | $ 0.93 | - |
| Max Cruise Speed (ktas) | 130 | 160 |
| Max Range (nm) | 352 | 580 |
| Useful Load (lbs) | 4200 | 6675 |
| Total Seats | 10 | 18 |
| Cockpit | 2 | 2 |
| Standard Cabin Seats | 8 | 16 |
| Max Cabin Seats | 9 | 16 |
| Min Crew | 1 | 2 |
| Flight Deck (Base Spec) | EFIS | Garmin G5000H |
| Flight Rules | IFR | IFR |
| Certification | FAA / EASA | FAA / EASA |
| OEM Verification | Un-Verified | VERIFIED |
| Weights | ||
| MTOW (lbs) | 8378 | 20500 |
| MTOW External Load (lbs) | 8378 | 21500 |
| Max External Load (lbs) | 3527 | 7000 |
| BEW (lbs) | 4231 | 13825 |
| Useful Load (lbs) | 4200 | 6675 |
| Fuel Capacity (lbs) | 1434 | 4294.7 |
| Useful Load Max Fuel (lbs) | 2492 | 2380 |
| Dimensions | ||
| Rotor Diameter (ft) | 36.1 | 54.5 |
| Width (ft) | - | 25.77 |
| Overall Height (ft) | 13 | 18.18 |
| Length (ft) | 44.8 | 61.58 |
| Cabin Height (ft) | - | 4.5 |
| Cabin Width (ft) | - | 7.58 |
| Cabin Length (ft) | - | 15.5 |
| Cabin Volume (cu. ft) | 166 | - |
| Baggage Volume Ext. (cu. ft) | 46.8 | 128 |
| Engine | ||
| No. of Engines | 2 | 2 |
| Manufacturer | Airbus Helicopters | Bell |
| Model | Arriel 2E | CT7-2F1 |
| Horsepower | 894 | 1800 |
| FADEC | Yes | Dual-Channel |
| TBO (hrs) | 4000 | 4000 |
| Fuel Type | JetFuel | JetFuel |
| Fuel Capacity (gal) | - | 641 |
| Avionics | ||
| Flight Deck | EFIS | Garmin G5000H |
| Flight Rules | IFR | IFR |
| Standby Instrument | Digital | - |
| FMS | - | 2 |
| Autopilot | 4-Axis | 1 x 4-Axis |
| PFD | 2 | 2 |
| MFD | - | 2 |
| GPS | 1 | 2 |
| AHRS | 3 | 3 |
| Flight Director | - | 3 |
| ADC | - | 3 |
| Transponder | 1 | 2 |
| VHF Com | 1 | 2 |
| VHF NAV | 1 | 2 |
| Cabin | ||
| Total Seats | 10 | 18 |
| Cockpit | 2 | 2 |
| Standard Cabin Seats | 8 | 16 |
| Max Cabin Seats | 9 | 16 |
| Min Crew | 1 | 2 |
| Configuration | Green Interior | - |
| Other | ||
| Gear Type | Retractable Wheels | Retractable Wheel |
| Rotorhead | 4-Blade Articulated | 5-Blade Articulated |
| Tail Rotor | Enclosed Fenestron | 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) | 130 | 160 |
| Long Range Cruise (ktas) | 127 | 145 |
| Max Speed (Vne) | 143 | 175 |
| Max Range (nm) | 352 | 580 |
| Range Seats Full (nm) | 352 | 560 |
| Endurance (hrs) | 3.6 | - |
| Max Climb Rate (fpm) | 925 | - |
| Service Ceiling (ft) | - | 12000 |
| Hover IGE (ft) | 12550 | 10700 |
| Hover OGE (ft) | 8750 | 8100 |