Bell 525 Relentless vs Enstrom 480b vs Pilatus Pc 24 vs Piper M600 Sls
The Bell 525 Relentless and Enstrom 480B are helicopters, while the Pilatus PC-24 and Piper M600 SLS are fixed-wing airplanes, so they differ fundamentally in mission and infrastructure needs. The Bell 525 is a large, twin‑engine helicopter aimed at offshore and corporate transport; it typically offers the longest helicopter range of the two and the highest passenger capacity, commonly configured around a dozen-plus seats. The Enstrom 480B is a smaller, single‑engine utility helicopter, generally carrying about four to five passengers with shorter range than the Bell, and is often used for training, patrol, and light commercial work. Among the airplanes, the Pilatus PC‑24 is a twin‑engine light jet designed for fast travel and flexible runway access; it provides the greatest range and speed in this group and usually seats roughly six to ten passengers depending on layout. The Piper M600 SLS is a single‑engine turboprop optimized for owner‑pilots; it has less range and capacity than the PC‑24 but typically still carries about five to six passengers with strong efficiency for regional trips.
| 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 |