Bell 412epi vs Md Helicopters Md 902 Exlplorer vs Robinson Helicopters R66 vs Sikorsky S 76d

The Bell 412EPi and Sikorsky S‑76D sit in the medium twin‑engine category, while the MD Helicopters MD 902 Explorer and Robinson R66 are lighter aircraft, with the MD 902 being a light twin and the R66 a light single. In range, the S‑76D is generally the longest‑legged of the group, commonly configured for roughly the mid‑400 nautical mile class, with the Bell 412EPi typically a bit behind but still in the several‑hundred‑nautical‑mile range. The MD 902 usually offers a moderate range for a light twin, often around the high‑200 to low‑300 nautical mile class, and the R66 is typically similar or somewhat lower depending on fuel/reserves, generally around the low‑300 nautical mile class. For passenger capacity, the Bell 412EPi is usually the most flexible for cabin loading, commonly seating about 10–13 including crew depending on configuration; the S‑76D typically seats about 8–12 including crew. The MD 902 often seats around 7–10 including crew, while the R66 is typically a 5‑seat helicopter including the pilot.