Bell 525 Relentless vs Cessna 208b Grand Caravan Ex vs Piaggio Avanti Evo vs Pilatus Pc 24
The Bell 525 Relentless is a fly-by-wire, twin‑engine helicopter aimed at offshore and corporate missions. It typically carries around 16 passengers in a high-density layout (fewer in VIP), with range roughly in the 500–600 nautical mile class depending on configuration and reserves. The Cessna 208B Grand Caravan EX is a single‑engine turboprop utility aircraft optimized for short, unimproved strips and rugged logistics. It commonly seats about 9–14 passengers, with range generally around 800–900 nautical miles, varying strongly with payload. The Piaggio Avanti EVO is a twin‑turboprop business aircraft focused on speed and efficiency. It usually carries 7–9 passengers, with range commonly around 1,500–1,800 nautical miles. The Pilatus PC‑24 is a light business jet designed to operate from relatively short runways while offering jet performance. Typical seating is about 6–10 passengers, with range roughly around 2,000 nautical miles, making it the longest‑range option of the group.
| Spec | Bell 525 Relentless | Piaggio Avanti EVO | Pilatus PC-24 |
|---|---|---|---|
| Summary | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 1 | 1 |
| Total Seats | 18 | 8 | 6 |
| Flight Rules | IFR | IFR | — |
| Manufacturer | Bell | Piaggio | Pilatus |
| Aircraft Name | 525 Relentless | Avanti EVO | PC-24 |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| Max Range (nm) | 580 | 1530 | 2076 |
| Max Cabin Seats | 16 | 7 | 10 |
| OEM Verification | VERIFIED | Un-Verified | VERIFIED |
| Useful Load (lbs) | 6675 | 3775 | 6680 |
| Standard Cabin Seats | 16 | 6 | 6 |
| Flight Deck (Base Spec) | Garmin G5000H | Rockwell Collins Pro Line 21 | Pilatus ACE (Primus Apex) |
| Max Cruise Speed (ktas) | 160 | 400 | 440 |
| Base Aircraft Price (USD) | $15,000,000 | $ 7,695,000 | $11,800,000 |
| DOC / nm | — | — | $ 3.71 |
| DOC / nm / Seat | — | — | $ 0.62 |
| Direct Operating Cost | — | — | $ 1,619 |
| Cabin | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 1 | 1 |
| Total Seats | 18 | 8 | 6 |
| Max Cabin Seats | 16 | 7 | 10 |
| Standard Cabin Seats | 16 | 6 | 6 |
| Lavatory | — | No | 1 Enclosed Flushing |
| Cabin Pressure (psi) | — | 9 | 9.3 |
| Galley / Refreshment | — | No | Optional Refreshment Center |
| SL Cabin Altitude (ft) | — | 24000 | 23500 |
| Max Cabin Altitude (ft) | — | 6600 | — |
| Crew Rest | — | — | No |
| Jump Seat | — | — | No |
| Cargo Door | — | — | Yes |
| Galley Location | — | — | FWD |
| Lavatory Location | — | — | FWD |
| Engine | |||
| FADEC | Dual-Channel | Yes | Yes |
| Model | CT7-2F1 | PT6A–66B | FJ44-4A-QPM |
| Fuel Type | JetFuel | — | — |
| TBO (hrs) | 4000 | 3600 | 5000 |
| Horsepower | 1800 | 850 | — |
| No. of Engines | 2 | 2 | 2 |
| Fuel Capacity (gal) | 641 | — | — |
| Flat Rating | — | ISA + 28 | ISA + 23 |
| Fuel Burn (gph) | — | 100 | — |
| Thrust (lbs) | — | — | 3435 |
| Dimensions | |||
| Width (ft) | 25.77 | — | — |
| Length (ft) | 61.58 | 47.3 | 52.2 |
| Cabin Width (ft) | 7.58 | 6.1 | 5.6 |
| Cabin Height (ft) | 4.5 | 5.8 | 5.1 |
| Cabin Length (ft) | 15.5 | 14.9 | 23 |
| Overall Height (ft) | 18.18 | 13.1 | 17.4 |
| Rotor Diameter (ft) | 54.5 | — | — |
| Baggage Volume Ext. (cu. ft) | 128 | — | — |
| Wingspan (ft) | — | 47.1 | 55.8 |
| Cabin Width - Floor (ft) | — | 3.5 | 3.8 |
| Baggage Volume Int. (cu. ft) | — | 35.2 | 90 |
| Aisle Step (ft) | — | — | Flat Floor |
| Cabin Length - Seating (ft) | — | — | 17 |