Beechcraft King Air 360 Er vs Piper M600 Sls vs Robinson R66

The Beechcraft King Air 360ER is a twin‑engine turboprop business aircraft designed for longer, faster regional missions and higher payload flexibility. It offers the greatest range of the three—roughly on the order of 1,500–2,000+ nautical miles depending on configuration and reserves—and typically carries about 6 to 9 passengers in a pressurized cabin, making it well suited to corporate transport and multi‑leg travel. The Piper M600 SLS is a single‑engine turboprop personal/light business airplane. It generally trades some range and cabin volume for lower operating complexity, with a typical range around 1,000–1,400 nautical miles and seating for up to 6 (usually 1 pilot plus 4–5 passengers) in a pressurized cabin. The Robinson R66 is a single‑engine turbine helicopter, a different category optimized for vertical lift and short‑range access rather than cruise efficiency. Its typical range is several hundred nautical miles (often roughly 300–400 nm), and it seats about 4 to 5 occupants including the pilot, excelling where helipads, off‑airport landings, or point‑to‑point access matter most.