Beechcraft King Air 360 Er vs Bell 525 Relentless vs Bombardier Global 7500 vs Piper M600 Sls
The Beechcraft King Air 360ER is a twin‑turboprop business aircraft optimized for regional and remote operations, offering long endurance for its class with roughly 1,500–1,800 nautical miles of range and typically seating about 6–9 passengers in executive layouts. The Bell 525 Relentless is a large, fly‑by‑wire helicopter aimed at offshore and executive transport; its range is about 500–600 nautical miles with a typical passenger load around 12–16, depending on configuration. The Bombardier Global 7500 is an ultra‑long‑range business jet designed for intercontinental missions, capable of roughly 7,700 nautical miles and commonly arranged for about 14–19 passengers. The Piper M600 SLS is a single‑engine turboprop positioned as a high‑performance owner‑flown aircraft; it has about 1,400–1,600 nautical miles of range and usually carries 4–6 passengers. Overall, the Global 7500 leads on range and cabin capacity, the King Air 360ER balances runway flexibility with solid range, the M600 SLS prioritizes simplicity and efficiency, and the Bell 525 trades speed and range for vertical lift and point‑to‑point access.
| 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 |