Airbus Helicopters H135 vs Airbus Helicopters H155 vs Bell 429wlg Globalranger vs Leonardo Aw109 Trekker vs Leonardo Aw139

The Airbus H135 is a light twin in the entry category, typically seating about 6–7 passengers (plus crew) with a practical range around 300–350 nm depending on fit and reserves. The Airbus H155 sits in the medium twin class, offering a larger cabin for roughly 8–12 passengers and a longer typical range around 430–480 nm. The Bell 429WLG GlobalRanger is a light twin comparable in mission set to the H135 but with a roomier cabin, commonly configured for about 6–7 passengers (up to around 8), and a typical range roughly 350–400 nm. The Leonardo AW109 Trekker is a light twin optimized for speed and utility, usually carrying about 6–7 passengers with a typical range around 400–500 nm depending on tanks and mission equipment. The Leonardo AW139 is a medium twin and a step up in capacity and payload, commonly configured for about 10–15 passengers, with a typical range around 500–600 nm. Overall, H135/429/AW109 occupy the light segment, while H155 and AW139 deliver medium-class cabin volume and higher passenger counts with longer ranges.