The P.B.1 was a single-seat open cockpit biplane powered by a 50 hp (36 kW) Gnome rotary engine driving a three-bladed
pusher propeller, Described as "a boat that will fly, [instead of] an aeroplane that will float",
Noel Pemberton Billing, the head of Pemberton-Billing Limited and designer of the PB.1, claimed that the aircraft made a short hop during June, Following the conclusion of the attempted flight testing, the P.B.1 was dismantled on 28 July 1914, with its engine being used in the
Pemberton-Billing P.B.9 single seat scout aircraft. ==Specifications (P.B.1)==