Beechcraft King Air 360 Er vs Bell 525 Relentless vs Boeing Bbj Max 9 vs Robinson R66

The Beechcraft King Air 360ER is a twin‑turboprop business aircraft suited to regional missions, typically carrying about 6–9 passengers with an extended range on the order of roughly 1,500–1,800 nautical miles depending on configuration and reserves. The Bell 525 Relentless is a super‑medium helicopter aimed at offshore and corporate transport; it generally seats around 12–16 passengers and has a range roughly in the 500–700 nautical mile class. The Boeing BBJ MAX 9 is a long‑range VIP airliner based on a narrow‑body jet; in executive layouts it often carries a few dozen passengers (commonly ~25–50, though it can be configured higher), with intercontinental range around about 6,000 nautical miles. The Robinson R66 is a light turbine helicopter for short‑range utility and private travel, usually carrying 4 passengers plus a pilot, with typical range around 300–350 nautical miles. Overall, the BBJ MAX 9 dominates range and cabin space, the King Air 360ER balances efficiency and runway flexibility, and the Bell 525 and R66 trade speed and range for vertical‑lift access.