Bell 525 Relentless vs Gulfstream G700 vs Piper M600 Sls
The Bell 525 Relentless, Gulfstream G700, and Piper M600 SLS sit in very different aircraft categories, so their capabilities aren’t directly interchangeable. The Bell 525 is a fly-by-wire, super-medium helicopter aimed at offshore, corporate, and utility missions, trading fixed-wing speed for vertical takeoff/landing and strong point-to-point flexibility; it typically offers a few hundred nautical miles of practical range (often around the 500–600 nm class) and generally carries about 10–16 passengers depending on cabin fit. The Gulfstream G700 is an ultra-long-range large-cabin business jet designed for intercontinental travel, with published range around 7,500 nm and seating that commonly falls in the 13–19 passenger class in executive layouts (with higher-density options possible). The Piper M600 SLS is a single-engine turboprop for owner-operators, optimized for efficiency and access to shorter runways; it offers roughly 1,400 nm of range and typically seats one pilot plus up to five passengers.
| 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 |