Bell 525 Relentless vs Bombardier Global 7500 vs Piper M600 Sls
The Bell 525 Relentless is a fly-by-wire, twin‑engine helicopter aimed at offshore, corporate, and special‑mission transport. It typically carries about 12 to 16 passengers depending on cabin configuration, with a range on the order of roughly 560 nautical miles. It’s optimized for point‑to‑point vertical access rather than long, high‑speed intercity travel. The Bombardier Global 7500 is an ultra‑long‑range business jet designed for intercontinental missions at high cruise speeds and high altitudes. It commonly seats around 8 to 19 passengers depending on layout, and offers roughly 7,700 nautical miles of range, enabling nonstop city pairs that smaller aircraft cannot match. The Piper M600 SLS is a single‑engine turboprop personal/light business airplane focused on owner‑pilots and efficient regional travel. It typically carries 1 pilot plus up to 5 passengers (six seats total), with about 1,600 nautical miles of range. Compared with the Global 7500 it trades speed and cabin size for lower operating complexity and cost, and compared with the Bell 525 it trades vertical capability for longer range and runway-based efficiency.
| Spec | Bell 525 Relentless | Bombardier Global 7500 | Piper M600 SLS |
|---|---|---|---|
| Summary | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 2 | 1 |
| Total Seats | 18 | 14 | 6 |
| Flight Rules | IFR | — | IFR |
| Manufacturer | Bell | Bombardier | Piper |
| Aircraft Name | 525 Relentless | Global 7500 | M600 |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| Max Range (nm) | 580 | 7700 | 1406 |
| Max Cabin Seats | 16 | 19 | — |
| OEM Verification | VERIFIED | VERIFIED | VERIFIED |
| Useful Load (lbs) | 6675 | — | 2200 |
| Standard Cabin Seats | 16 | 12 | 4 |
| Flight Deck (Base Spec) | Garmin G5000H | Bombardier Vision (Pro Line Fusion) | Garmin G3000 |
| Max Cruise Speed (ktas) | 160 | 516 | 274 |
| Base Aircraft Price (USD) | $15,000,000 | $75,000,000 | $3,081,400 |
| DOC / nm | — | $ 9.50 | $ 2.19 |
| Aircraft Type | — | Business Jet | — |
| DOC / nm / Seat | — | $ 0.79 | $ 0.55 |
| Direct Operating Cost | — | $ 4,900 | $ 603 |
| Cabin | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 2 | 1 |
| Total Seats | 18 | 14 | 5 |
| Max Cabin Seats | 16 | 19 | — |
| Standard Cabin Seats | 16 | 12 | 4 |
| Lavatory | — | 2 Enclosed Flushing | No |
| Crew Rest | — | Yes | — |
| Jump Seat | — | Yes | — |
| Galley Location | — | FWD | MID |
| Lavatory Location | — | FWD / AFT | — |
| Galley / Refreshment | — | Galley | Refreshment Centre |
| Max Cabin Altitude (ft) | — | 4500 | 8644 |
| Cabin Pressure (psi) | — | — | 5.6 |
| SL Cabin Altitude (ft) | — | — | 12600 |
| Engine | |||
| FADEC | Dual-Channel | Yes | No |
| Model | CT7-2F1 | Passport | PT6A-42A |
| Fuel Type | JetFuel | — | — |
| TBO (hrs) | 4000 | On-Condition | 3600 |
| Horsepower | 1800 | — | 600 |
| No. of Engines | 2 | 2 | 1 |
| Fuel Capacity (gal) | 641 | — | 260 |
| Flat Rating | — | ISA + 15 | ISA + 55 |
| Thrust (lbs) | — | 18920 | — |
| Dimensions | |||
| Width (ft) | 25.77 | — | — |
| Length (ft) | 61.58 | 111 | 29.7 |
| Cabin Width (ft) | 7.58 | 8 | 4.1 |
| Cabin Height (ft) | 4.5 | 6.2 | 4 |
| Cabin Length (ft) | 15.5 | 54.5 | 12.3 |
| Overall Height (ft) | 18.18 | 27 | 11.3 |
| Rotor Diameter (ft) | 54.5 | — | — |
| Baggage Volume Ext. (cu. ft) | 128 | — | — |
| Wingspan (ft) | — | 104 | 43.2 |
| Cabin Volume (cu. ft) | — | — | 165 |
| Baggage Volume Int. (cu. ft) | — | — | 20 |