Beechcraft King Air 360 Er vs Bell 525 Relentless vs Cessna Citation Xls vs Leonardo Aw189

The Beechcraft King Air 360ER and the Cessna Citation XLS+ are fixed‑wing aircraft, while the Bell 525 Relentless and Leonardo AW189 are helicopters, so their “range” and “capacity” reflect different mission profiles. The King Air 360ER is a twin‑turboprop optimized for long, flexible regional legs; it offers the longest endurance of this group and typically carries about 6–9 passengers in an executive layout. The Citation XLS+ is a super‑midsize business jet focused on faster point‑to‑point travel; it generally seats about 7–9 passengers and delivers a solid jet range suited to transcontinental-style business missions, though usually less endurance than the 360ER. The Bell 525 Relentless is a fly‑by‑wire, long‑range medium helicopter; it typically carries roughly 12–16 passengers depending on configuration and prioritizes offshore, VIP, and utility missions with strong helicopter range. The Leonardo AW189 is a super‑medium helicopter in a similar offshore/utility class; it commonly accommodates about 16–19 passengers and offers comparable long‑range rotorcraft performance, trading some speed and range versus fixed‑wing for vertical lift and access.