Airbus Helicopters H135 vs Airbus Helicopters H155 vs Leonardo Aw109 Trekker vs Leonardo Aw119kx vs Sikorsky S 76d

The Airbus H135 is a light twin in the utility/EMS/training category, typically carrying 5–6 passengers (up to about 7–8 including crew, depending on layout) with a practical range around 300–350 nautical miles. The Airbus H155 is a medium twin aimed at offshore and executive missions, usually seating about 8–12 passengers with a typical range roughly 450–540 nautical miles. Leonardo’s AW109 Trekker is a light twin positioned for corporate, utility, and EMS roles, commonly configured for about 6–7 passengers with an approximate range around 430–500 nautical miles. The Leonardo AW119Kx is a light single optimized for utility and air medical support, often carrying about 6–7 passengers with a typical range near 350–500 nautical miles depending on tanks and payload. The Sikorsky S-76D is a medium twin strongly oriented to offshore and VIP transport, generally accommodating about 8–12 passengers with a typical range around 400–450 nautical miles. Overall, H135 and AW119Kx are the smaller-capacity options, while H155 and S-76D lead on passenger lift and mission radius.