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 ...

According to a report released by the Ministry of Defence on April 11, 2025, the Bell UH-1H-II (Huey) Helicopter KAF 1501 suffered an engine failure mid-air, resulting in a complete power loss.