Airbus Helicopters H225 vs Piaggio Avanti Evo vs Piper M600 Sls vs Robinson R66

The Airbus H225 is a large, twin‑engine helicopter built for heavy offshore, SAR, and utility work; it carries the most people of this group (typically around 16–19 passengers depending on layout) and has long helicopter range, roughly on the order of 450–600+ nautical miles with reserves depending on mission fit. The Robinson R66 is a light, single‑turbine helicopter aimed at personal, training, and light utility roles; it typically seats 4–5 and has a shorter range, roughly about 300–350 nautical miles. The Piaggio Avanti EVO is a pressurized twin‑turboprop fixed‑wing aircraft optimized for fast executive travel; it generally carries 6–7 passengers (often configured for 7–9 seats total including crew) and offers long range, commonly around 1,400–1,800 nautical miles depending on payload and conditions. The Piper M600 SLS is a pressurized single‑turboprop fixed‑wing aircraft positioned for owner‑flown business travel; it typically seats 5–6 passengers and has range in the same broad class, about 1,200–1,500 nautical miles.