Bell 525 Relentless vs Pilatus Pc 24 vs Piper M600 Sls
The Bell 525 Relentless is a twin‑engine helicopter aimed at offshore, corporate, and VIP transport where point‑to‑point access matters more than runway availability. It typically carries around 16–20 passengers depending on layout and has a range on the order of roughly 500–600 nautical miles, making it well suited to medium‑range missions with vertical landing flexibility. The Pilatus PC‑24 is a twin‑engine light business jet designed for fast regional travel, including operations from shorter or less‑prepared runways than many jets. In typical executive configurations it carries about 6–10 passengers, and its range is generally around 2,000 nautical miles, placing it in a different mission class than the helicopter and most single‑engine turboprops. The Piper M600 SLS is a single‑engine turboprop geared toward owner‑pilots and efficient business travel. It usually seats 4–6 passengers (up to 6 in the cabin) and offers a range around 1,400–1,600 nautical miles, trading jet speed and cabin volume for lower operating complexity and cost.
| Spec | Bell 525 Relentless | Pilatus PC-24 | Piper M600 SLS |
|---|---|---|---|
| Summary | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 1 | 1 |
| Total Seats | 18 | 6 | 6 |
| Flight Rules | IFR | — | IFR |
| Manufacturer | Bell | Pilatus | Piper |
| Aircraft Name | 525 Relentless | PC-24 | M600 |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| Max Range (nm) | 580 | 2076 | 1406 |
| Max Cabin Seats | 16 | 10 | — |
| OEM Verification | VERIFIED | VERIFIED | VERIFIED |
| Useful Load (lbs) | 6675 | 6680 | 2200 |
| Standard Cabin Seats | 16 | 6 | 4 |
| Flight Deck (Base Spec) | Garmin G5000H | Pilatus ACE (Primus Apex) | Garmin G3000 |
| Max Cruise Speed (ktas) | 160 | 440 | 274 |
| Base Aircraft Price (USD) | $15,000,000 | $11,800,000 | $3,081,400 |
| DOC / nm | — | $ 3.71 | $ 2.19 |
| DOC / nm / Seat | — | $ 0.62 | $ 0.55 |
| Direct Operating Cost | — | $ 1,619 | $ 603 |
| Cabin | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 1 | 1 |
| Total Seats | 18 | 6 | 5 |
| Max Cabin Seats | 16 | 10 | — |
| Standard Cabin Seats | 16 | 6 | 4 |
| Lavatory | — | 1 Enclosed Flushing | No |
| Crew Rest | — | No | — |
| Jump Seat | — | No | — |
| Cargo Door | — | Yes | — |
| Galley Location | — | FWD | MID |
| Lavatory Location | — | FWD | — |
| Cabin Pressure (psi) | — | 9.3 | 5.6 |
| Galley / Refreshment | — | Optional Refreshment Center | Refreshment Centre |
| SL Cabin Altitude (ft) | — | 23500 | 12600 |
| Max Cabin Altitude (ft) | — | — | 8644 |
| Engine | |||
| FADEC | Dual-Channel | Yes | No |
| Model | CT7-2F1 | FJ44-4A-QPM | PT6A-42A |
| Fuel Type | JetFuel | — | — |
| TBO (hrs) | 4000 | 5000 | 3600 |
| Horsepower | 1800 | — | 600 |
| No. of Engines | 2 | 2 | 1 |
| Fuel Capacity (gal) | 641 | — | 260 |
| Flat Rating | — | ISA + 23 | ISA + 55 |
| Thrust (lbs) | — | 3435 | — |
| Dimensions | |||
| Width (ft) | 25.77 | — | — |
| Length (ft) | 61.58 | 52.2 | 29.7 |
| Cabin Width (ft) | 7.58 | 5.6 | 4.1 |
| Cabin Height (ft) | 4.5 | 5.1 | 4 |
| Cabin Length (ft) | 15.5 | 23 | 12.3 |
| Overall Height (ft) | 18.18 | 17.4 | 11.3 |
| Rotor Diameter (ft) | 54.5 | — | — |
| Baggage Volume Ext. (cu. ft) | 128 | — | — |
| Wingspan (ft) | — | 55.8 | 43.2 |
| Aisle Step (ft) | — | Flat Floor | — |
| Cabin Width - Floor (ft) | — | 3.8 | — |
| Cabin Length - Seating (ft) | — | 17 | — |
| Baggage Volume Int. (cu. ft) | — | 90 | 20 |
| Cabin Volume (cu. ft) | — | — | 165 |