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.
| Spec | Bell 525 Relentless | AGUSTA / LEONARDO AW189 |
|---|---|---|
| Summary | ||
| Cockpit | 2 | 2 |
| Min Crew | 2 | 1 |
| Total Seats | 18 | 21 |
| Flight Rules | IFR | IFR |
| Manufacturer | Bell | Leonardo |
| Aircraft Name | 525 Relentless | AW189 |
| Certification | FAA / EASA | FAA / EASA |
| Max Range (nm) | 580 | 651 |
| Max Cabin Seats | 16 | 19 |
| OEM Verification | VERIFIED | Un-Verified |
| Useful Load (lbs) | 6675 | — |
| Standard Cabin Seats | 16 | 19 |
| Flight Deck (Base Spec) | Garmin G5000H | EFIS |
| Max Cruise Speed (ktas) | 160 | 155 |
| 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 | ||
| Cockpit | 2 | 2 |
| Min Crew | 2 | 1 |
| Total Seats | 18 | 21 |
| Max Cabin Seats | 16 | 19 |
| Standard Cabin Seats | 16 | 19 |
| Engine | ||
| FADEC | Dual-Channel | Yes |
| Model | CT7-2F1 | CT7-2E1 |
| Fuel Type | JetFuel | JetFuel |
| TBO (hrs) | 4000 | 4000 |
| Horsepower | 1800 | 1983 |
| No. of Engines | 2 | 2 |
| Fuel Capacity (gal) | 641 | — |
| Dimensions | ||
| Width (ft) | 25.77 | — |
| Length (ft) | 61.58 | 57.8 |
| Cabin Width (ft) | 7.58 | — |
| Cabin Height (ft) | 4.5 | — |
| Cabin Length (ft) | 15.5 | — |
| Overall Height (ft) | 18.18 | 16.6 |
| Rotor Diameter (ft) | 54.5 | 48 |
| Baggage Volume Ext. (cu. ft) | 128 | 85 |
| Cabin Volume (cu. ft) | — | 395 |