Airbus Helicopters H145 vs Airbus Helicopters H175 vs Leonardo Aw139 vs Sikorsky S 76d

The Airbus Helicopters H145 is a light twin in the 3.5–3.8‑ton class, optimized for EMS, law enforcement, utility, and short‑to‑medium corporate missions. Typical range is roughly 350–400 nautical miles depending on fit and reserves, and it commonly carries about 6–8 passengers (or similar payload in mission configurations) plus crew. The Leonardo AW139 is a medium twin around 6.5–7 tons, offering a step up in cabin volume and payload; it generally supports about 10–12 passengers and a typical range around 500–600 nautical miles. The Sikorsky S‑76D sits in the medium, 5‑ton class, strongly oriented to offshore and executive transport; it typically carries about 8–12 passengers with a broadly similar 400–500+ nautical mile range depending on tanks and payload. The Airbus Helicopters H175 is a super‑medium twin around 7–8 tons, aimed at offshore and SAR with higher endurance; it commonly seats about 12–16 passengers and offers roughly 500–650 nautical miles of range depending on configuration.