In response, Bell proposed the UH-1B, equipped with the Lycoming T53-L-5 engine producing 960 shp (720 kW) and a longer cabin that could accommodate either seven passengers or four stretchers and a medical attendant.
En resposta, Bell propuxo o UH-1B, equipado co motor Lycoming T53-L-5 que producía 960 CV e cunha cabina máis grande que podía acomodar ou a sete pasaxeiros ou a catro padiolas cun asistente médico.