The UH-1N is capable of flight in instrument and nighttime conditions. The crew complement is normally three (pilot, co-pilot and flight engineer), but may be flown with fewer crewmembers ...

The final major variant, the UH-1H, arrived in 1967 with a 1,400-horsepower Lycoming T-53-L13 that allowed the design to carry 4,000 pounds of personnel or cargo as far as 285 miles without ...