Beechcraft King Air 360 Er vs Bell 525 Relentless vs Dassault Falcon 8x vs Robinson R66

By category, the Beechcraft King Air 360ER is a twin‑turboprop business/utility airplane suited to short and semi‑prepared runways, the Bell 525 Relentless is a large twin‑engine helicopter aimed at corporate and offshore missions, the Dassault Falcon 8X is a long‑range ultra‑large business jet for intercontinental travel, and the Robinson R66 is a light single‑engine helicopter typically used for short-hop transport and utility work. In range, the Falcon 8X is the clear leader at roughly 6,450 nautical miles, enabling nonstop city pairs across oceans. The King Air 360ER offers long turboprop legs around 1,800–2,000 nautical miles depending on load and reserves, favoring regional networks. The Bell 525 sits in between helicopter and fixed‑wing expectations at about 500–600 nautical miles, optimized for point-to-point vertical access rather than maximum distance. The Robinson R66 is shortest-range at roughly 300–350 nautical miles. For passenger capacity, the Falcon 8X typically seats about 12–16 in executive layouts, the King Air 360ER commonly carries around 6–9, the Bell 525 is generally configured for about 12–16, and the R66 usually carries 4 passengers plus a pilot.