[1] Although plans were drawn up to attempt to win the prize, notably by Rodman Wanamaker, who ordered two Curtiss America flying boats, with John Cyril Porte selected to be the pilot, the outbreak of the First World War in August 1914 put a stop to these plans.

[3] The new aircraft had a deeper fuselage than the B.1,[3] housing a fuel tank carrying 330 imperial gallons (1,500 L) of petrol and with the crew of two sat well aft of the wings.

[4] The undercarriage mainwheels were jettisonable to reduce drag, while a boat was provided in case of emergency landing on the sea, being built into the fuselage decking behind the crew's cockpit.

Following testing at Brooklands airfield, the Atlantic was dismantled and dispatched to Newfoundland aboard ship, arriving on 28 March 1919.

After making several attempts to clear the blockage by diving the aircraft and stopping and restarting the engine to attempt to cool it, with the engine still overheating and heavy weather ahead, they turned south to seek out the shipping lanes, and on encountering the Danish steamer SS Mary, ditched in the Atlantic and were rescued, 1130 mi 1,820 km) from St Mary's and 750 mi (1,210 km) from Ireland.