Beechcraft King Air 360 Er vs Bell 525 Relentless vs Boeing Bbj Max 9 vs Piaggio Avanti Evo
The Beechcraft King Air 360ER is a twin‑turboprop business aircraft best suited to regional missions and short/medium runways, offering long endurance for its class at roughly 2,000–2,500 nautical miles and typically seating about 6–9 passengers in executive layouts. The Bell 525 Relentless is a super‑medium helicopter aimed at point‑to‑point access and offshore work, trading cruise speed for vertical lift; it generally carries about 12–16 passengers with an approximate range around 500–700 nautical miles, depending on reserves and fit. The Boeing BBJ MAX 9 is a large, long‑range VIP airliner derivative, designed for intercontinental travel; it can carry a small VIP party (often 25–50) in luxury configurations or far more in high‑density layouts, with range commonly cited around 6,000–6,500 nautical miles. The Piaggio Avanti EVO is a fast twin‑turboprop executive aircraft optimized for efficiency and speed on shorter sectors, typically seating 6–9 passengers with an approximate range around 1,400–1,800 nautical miles.
| Spec | Bell 525 Relentless | Boeing BBJ MAX 9 | Piaggio Avanti EVO |
|---|---|---|---|
| Summary | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 4 | 1 |
| Total Seats | 18 | 12 | 8 |
| Flight Rules | IFR | — | IFR |
| Manufacturer | Bell | Boeing | Piaggio |
| Aircraft Name | 525 Relentless | BBJ MAX 9 | Avanti EVO |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| Max Range (nm) | 580 | 6376 | 1530 |
| Max Cabin Seats | 16 | 35 | 7 |
| OEM Verification | VERIFIED | VERIFIED | Un-Verified |
| Useful Load (lbs) | 6675 | 77120 | 3775 |
| Standard Cabin Seats | 16 | 8 | 6 |
| Flight Deck (Base Spec) | Garmin G5000H | Honeywell | Rockwell Collins Pro Line 21 |
| Max Cruise Speed (ktas) | 160 | 470 | 400 |
| Base Aircraft Price (USD) | $15,000,000 | $107,700,000 | $ 7,695,000 |
| DOC / nm | — | $ 15.74 | — |
| DOC / nm / Seat | — | $ 1.97 | — |
| Direct Operating Cost | — | $ 7,396 | — |
| Cabin | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 4 | 1 |
| Total Seats | 18 | 10 | 8 |
| Max Cabin Seats | 16 | 35 | 7 |
| Standard Cabin Seats | 16 | 8 | 6 |
| Configuration | — | Green Interior | — |
| Cabin Pressure (psi) | — | 9 | 9 |
| SL Cabin Altitude (ft) | — | 24000 | 24000 |
| Lavatory | — | — | No |
| Galley / Refreshment | — | — | No |
| Max Cabin Altitude (ft) | — | — | 6600 |
| Engine | |||
| FADEC | Dual-Channel | Yes | Yes |
| Model | CT7-2F1 | LEAP-1B | PT6A–66B |
| Fuel Type | JetFuel | — | — |
| TBO (hrs) | 4000 | On-Condition | 3600 |
| Horsepower | 1800 | — | 850 |
| No. of Engines | 2 | 2 | 2 |
| Fuel Capacity (gal) | 641 | — | — |
| Flat Rating | — | ISA + 15 | ISA + 28 |
| Thrust (lbs) | — | 28000 | — |
| Fuel Burn (gph) | — | — | 100 |
| Dimensions | |||
| Width (ft) | 25.77 | — | — |
| Length (ft) | 61.58 | 138.4 | 47.3 |
| Cabin Width (ft) | 7.58 | 11.6 | 6.1 |
| Cabin Height (ft) | 4.5 | 7.1 | 5.8 |
| Cabin Length (ft) | 15.5 | 107.2 | 14.9 |
| Overall Height (ft) | 18.18 | 40.3 | 13.1 |
| Rotor Diameter (ft) | 54.5 | — | — |
| Baggage Volume Ext. (cu. ft) | 128 | 1485 | — |
| Wingspan (ft) | — | 117.9 | 47.1 |
| Aisle Step (ft) | — | Flat Floor | — |
| Cabin Width - Floor (ft) | — | 10.7 | 3.5 |
| Cabin Length - Seating (ft) | — | 100.6 | — |
| Baggage Volume Int. (cu. ft) | — | — | 35.2 |