Beechcraft King Air 360 Er vs Bell 525 Relentless vs Cessna 208b Grand Caravan Ex vs Leonardo Aw189
The Beechcraft King Air 360ER is a pressurized twin‑turboprop fixed‑wing aircraft aimed at efficient business and utility missions; it offers long endurance for its class (roughly 1,500–1,800 nm depending on payload and reserves) and typically carries about 6–9 passengers in commuter/VIP layouts. The Bell 525 Relentless is a large, modern twin‑engine helicopter designed for offshore and executive transport; its practical range is generally in the 500–700 nm class with typical seating around 12–16 depending on configuration. The Cessna 208B Grand Caravan EX is a rugged single‑turboprop fixed‑wing utility aircraft optimized for short/rough strips; it usually carries 9–14 passengers and has a shorter but solid regional range (roughly 700–1,000 nm). The Leonardo AW189 is a heavy‑class twin helicopter focused on offshore/EMS/SAR; it commonly seats about 16–19 and has range broadly similar to the Bell 525 (often around 500–700 nm). Overall, the fixed‑wing turboprops generally win on range and operating economy, while the helicopters excel at vertical access and cabin flexibility.
| Spec | Bell 525 Relentless | AGUSTA / LEONARDO AW189 |
|---|---|---|
| Summary | ||
| Cockpit | 2 | 2 |
| Min Crew | 2 | 1 |
| Total Seats | 18 | 21 |
| Flight Rules | IFR | IFR |
| Manufacturer | Bell | Leonardo |
| Aircraft Name | 525 Relentless | AW189 |
| Certification | FAA / EASA | FAA / EASA |
| Max Range (nm) | 580 | 651 |
| Max Cabin Seats | 16 | 19 |
| OEM Verification | VERIFIED | Un-Verified |
| Useful Load (lbs) | 6675 | — |
| Standard Cabin Seats | 16 | 19 |
| Flight Deck (Base Spec) | Garmin G5000H | EFIS |
| Max Cruise Speed (ktas) | 160 | 155 |
| Base Aircraft Price (USD) | $15,000,000 | $2,413,000 |
| DOC / nm | — | $ 15.57 |
| DOC / nm / Seat | — | $ 0.74 |
| Direct Operating Cost | — | $ 2,413 |
| Cabin | ||
| Cockpit | 2 | 2 |
| Min Crew | 2 | 1 |
| Total Seats | 18 | 21 |
| Max Cabin Seats | 16 | 19 |
| Standard Cabin Seats | 16 | 19 |
| Engine | ||
| FADEC | Dual-Channel | Yes |
| Model | CT7-2F1 | CT7-2E1 |
| Fuel Type | JetFuel | JetFuel |
| TBO (hrs) | 4000 | 4000 |
| Horsepower | 1800 | 1983 |
| No. of Engines | 2 | 2 |
| Fuel Capacity (gal) | 641 | — |
| Dimensions | ||
| Width (ft) | 25.77 | — |
| Length (ft) | 61.58 | 57.8 |
| Cabin Width (ft) | 7.58 | — |
| Cabin Height (ft) | 4.5 | — |
| Cabin Length (ft) | 15.5 | — |
| Overall Height (ft) | 18.18 | 16.6 |
| Rotor Diameter (ft) | 54.5 | 48 |
| Baggage Volume Ext. (cu. ft) | 128 | 85 |
| Cabin Volume (cu. ft) | — | 395 |