Beechcraft King Air 360 Er vs Bell 525 Relentless vs Gulfstream G700 vs Piper M600 Sls
The Beechcraft King Air 360ER is a twin‑turboprop business aircraft suited to short and medium missions from shorter runways. It typically carries about 6–9 passengers and offers roughly 2,000–2,400 nm range depending on payload and reserves. The Bell 525 Relentless is a fly‑by‑wire super‑medium helicopter aimed at offshore and executive transport; it generally seats about 12–16 passengers and has about 500–700 nm range with reserves, trading speed and altitude for point‑to‑point access without airports. The Gulfstream G700 is an ultra‑long‑range large‑cabin business jet designed for intercontinental flying, commonly configured for about 10–19 passengers, with published range around 7,500 nm, emphasizing high speed, high altitude, and maximum cabin space. The Piper M600 SLS is a single‑engine turboprop positioned as an owner‑pilot aircraft; it typically carries about 4–6 passengers and delivers roughly 1,000–1,600 nm range depending on loading, offering lower operating costs and simpler access than jets but less payload and speed than the King Air or G700.
| Spec | Bell 525 Relentless | Gulfstream G700 | Piper M600 SLS |
|---|---|---|---|
| Summary | |||
| Cockpit | 2 | 3 | 2 |
| Min Crew | 2 | 4 | 1 |
| Total Seats | 18 | 16 | 6 |
| Flight Rules | IFR | — | IFR |
| Manufacturer | Bell | Gulfstream | Piper |
| Aircraft Name | 525 Relentless | G700 | M600 |
| Certification | FAA / EASA | In Development | FAA / EASA |
| Max Range (nm) | 580 | 7500 | 1406 |
| Max Cabin Seats | 16 | 19 | — |
| OEM Verification | VERIFIED | Un-Verified | VERIFIED |
| Useful Load (lbs) | 6675 | — | 2200 |
| Standard Cabin Seats | 16 | 12 | 4 |
| Flight Deck (Base Spec) | Garmin G5000H | Gulfstream Symmetry Flight Deck | Garmin G3000 |
| Max Cruise Speed (ktas) | 160 | 516 | 274 |
| Base Aircraft Price (USD) | $15,000,000 | $78,000,000 | $3,081,400 |
| DOC / nm | — | — | $ 2.19 |
| DOC / nm / Seat | — | — | $ 0.55 |
| Direct Operating Cost | — | — | $ 603 |
| Cabin | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 4 | 1 |
| Total Seats | 18 | 16 | 5 |
| Max Cabin Seats | 16 | 19 | — |
| Standard Cabin Seats | 16 | 12 | 4 |
| Crew Rest | — | Optional | — |
| Jump Seat | — | Yes | — |
| Galley Location | — | FWD | MID |
| Lavatory Location | — | FWD / AFT | — |
| Lavatory | — | — | No |
| Cabin Pressure (psi) | — | — | 5.6 |
| Galley / Refreshment | — | — | Refreshment Centre |
| SL Cabin Altitude (ft) | — | — | 12600 |
| Max Cabin Altitude (ft) | — | — | 8644 |
| Engine | |||
| FADEC | Dual-Channel | — | No |
| Model | CT7-2F1 | Pearl 700 | 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 |
| Thrust (lbs) | — | 18250 | — |
| Flat Rating | — | — | ISA + 55 |
| Dimensions | |||
| Width (ft) | 25.77 | — | — |
| Length (ft) | 61.58 | 109.9 | 29.7 |
| Cabin Width (ft) | 7.58 | 8.2 | 4.1 |
| Cabin Height (ft) | 4.5 | 6.25 | 4 |
| Cabin Length (ft) | 15.5 | 56.9 | 12.3 |
| Overall Height (ft) | 18.18 | 25.4 | 11.3 |
| Rotor Diameter (ft) | 54.5 | — | — |
| Baggage Volume Ext. (cu. ft) | 128 | — | — |
| Wingspan (ft) | — | 103 | 43.2 |
| Aisle Step (ft) | — | Flat Floor | — |
| Baggage Volume Int. (cu. ft) | — | 195 | 20 |
| Cabin Volume (cu. ft) | — | — | 165 |