Beechcraft King Air 360 Er vs Enstrom 480b vs Piper M600 Sls

The Beechcraft King Air 360ER is a twin‑engine turboprop in the light business aircraft category, aimed at multi‑pilot or high‑utilization operations with strong redundancy and payload flexibility. It offers the longest range of the three, roughly in the 1,800–2,000+ nautical mile class depending on configuration, and typically carries about 6 to 9 passengers in executive seating (with higher maximum seating in utility layouts). The Piper M600 SLS is a single‑engine turboprop personal/business aircraft. It sits below the King Air in size and mission scope but is optimized for owner‑operators with a pressurized cabin and modern avionics. Its range is generally around 1,400–1,600 nautical miles, and it commonly seats 4 to 6 passengers plus a pilot, depending on interior and payload. The Enstrom 480B is a turbine helicopter, best suited to short‑range point‑to‑point access and landing-site flexibility rather than cross‑country efficiency. Its range is typically a few hundred nautical miles (often around 300–450 nm), and passenger capacity is usually 4 to 5 plus the pilot.