Airbus Helicopters H135 vs Airbus Helicopters H145 vs Bell 505 Jetranger X vs Md Helicopters Md 600n

The Airbus Helicopters H135 and H145 are light twin-engine helicopters, typically chosen for missions where redundancy, IFR capability, and higher dispatch reliability matter. In category, the H135 is a lighter twin, while the H145 is a larger, higher‑useful‑load light twin with a more spacious cabin. Range for both is broadly similar in real-world planning, generally a few hundred nautical miles, with the H145 often offering more flexibility when carrying heavier payloads. Passenger capacity commonly runs around 5–6 passengers in an H135 (plus pilot[s], mission‑dependent), while the H145 more often carries about 7–8. The Bell 505 JetRanger X is a light single-engine helicopter aimed at cost-sensitive utility, training, and private transport. It typically offers a comparable “few hundred nautical miles” class range but with less redundancy than the twins, and usually carries about 4 passengers plus a pilot. The MD Helicopters MD 600N is also a light single, notable for its NOTAR system. It generally sits between the 505 and the Airbus twins in cabin/mission flexibility, often carrying about 5–6 passengers plus a pilot, with range likewise in the few-hundred‑nautical‑mile bracket depending on configuration.