Bell 525 Relentless vs Embraer Legacy 650 E vs Gulfstream G700 vs Piper M600 Sls
The Bell 525 Relentless is a fly-by-wire, twin‑engine helicopter aimed at offshore and VIP missions; compared with the jets it offers far less range (roughly in the 500–700 nm class, mission dependent) and typically carries about 8–16 passengers depending on interior, trading speed and range for vertical access and point‑to‑point flexibility. The Piper M600 SLS is a single‑engine turboprop for owner‑pilots; it generally seats 5–6 passengers (up to 7 including pilot) and reaches about 1,400–1,600 nm, prioritizing lower operating cost and short‑runway access over high‑altitude jet speed. The Embraer Legacy 650E is a large‑cabin business jet in the long‑range category, commonly configured for around 13 passengers and capable of roughly 3,900 nm, suiting transcontinental missions with a true large‑cabin feel. The Gulfstream G700 sits at the top end as an ultra‑long‑range, large‑cabin jet, typically carrying about 13–19 passengers and flying roughly 7,500 nm, enabling many nonstop intercontinental city pairs with maximum cabin volume and performance.
| 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 |