Beechcraft King Air 360 Er vs Bell 525 Relentless vs Leonardo Aw189 vs Piaggio Avanti Evo

The Beechcraft King Air 360ER and Piaggio Avanti EVO are pressurized fixed‑wing turboprops, while the Bell 525 Relentless and Leonardo AW189 are twin‑engine helicopters; the airplanes generally offer higher cruise efficiency and speed, and the helicopters offer vertical lift and better point‑to‑point access. On range, the King Air 360ER is typically the longest‑legged of the group, designed for extended missions and commonly offering roughly 1,500–1,800 nautical miles depending on payload and reserves. The Piaggio Avanti EVO is also long‑range for a turboprop, commonly around 1,200–1,500 nautical miles. The helicopters are shorter‑range by comparison: the AW189 is generally around 450–550 nautical miles, while the Bell 525 is typically around 500–600 nautical miles, both varying significantly with passenger load, IFR reserves, and offshore equipment. For passenger capacity, the King Air 360ER and Avanti EVO are usually configured for about 6–9 passengers in executive layouts (with higher-density options possible). The AW189 commonly seats about 16–19 passengers, and the Bell 525 typically carries around 12–16 in transport-style layouts, with VIP configurations reducing seat count.