Airbus Helicopters H225 vs Leonardo Aw189 vs Piper M600 Sls vs Sikorsky S 92

The Airbus H225 and Sikorsky S‑92 are large, twin‑engine heavy helicopters built for offshore transport and SAR, typically carrying around 18–19 passengers in an airline-style layout (higher in dense seating). Their real-world mission radius varies strongly with payload and reserves, but they generally offer long helicopter legs, roughly on the order of 400–600 nm. The Leonardo AW189 is a smaller, “super‑medium” twin helicopter, commonly configured for about 16–18 passengers, with a similar class-leading offshore focus but usually somewhat less cabin volume and lift than H225/S‑92. Its typical operating range is broadly comparable but often a bit shorter depending on fit, roughly around 400–500 nm. The Piper M600 SLS is a single‑engine turboprop airplane, not a helicopter. It carries up to six occupants (one pilot plus five passengers) and trades vertical capability for much greater cruise efficiency and range, typically around 1,000+ nm, making it better for point‑to‑point travel between runways rather than offshore deck operations.