Changes

The UH-1B was an improved version of the UH-1A with a more powerful Lycoming T53-L-5 turboshaft engine which developed 960 SHP. The UH-1B started its user evaluation testing on 28 November 1960 and by June of 1963 it had most light helicopter companies had transfered from the Piaseki CH-21 to the UH-1B, it also going on to eventually replace the less powerful UH-1A. It could carry a crew of 2 and 7 troops or 3 stretchers, or 2998 pounds of cargo. The UH-1B was also used as a gunship to protect the unarmed troop carriers, these gunships were fitted with four M60 machine guns and clusters of eight 2.75 inch rockets.

The UH-1B was an improved version of the UH-1A with a more powerful Lycoming T53-L-5 turboshaft engine which developed 960 SHP. The UH-1B started its user evaluation testing on 28 November 1960 and by June of 1963 it had most light helicopter companies had transfered from the Piaseki CH-21 to the UH-1B, it also going on to eventually replace the less powerful UH-1A. It could carry a crew of 2 and 7 troops or 3 stretchers, or 2998 pounds of cargo. The UH-1B was also used as a gunship to protect the unarmed troop carriers, these gunships were fitted with four M60 machine guns and clusters of eight 2.75 inch rockets.