It was also decided to build a new airport to replace the Lideta Airfield, unable to accommodate the Boeing 720 jetliner the company intended to acquire. This was the birth of Bole International Airport, where the company set its headquarters. In , the arrival of Boeing 720s ordered directly from Boeing marked the carrier entrance into the jet age. These two aircraft were registered ET-AAG and ET-AAH and were named "Blue Nile" and "White Nile", respectively. The first jet service took place on when one of these aircraft was deployed on the route to Nairobi. The following day, a new service to Madrid was flown using the new jet equipment, with Frankfurt joining the jet network soon afterward. On 1 April, the Boeing 720 replaced the DC-6B on the Addis Ababa–Athens route; during that month, the West African corridor also benefited from jet operations. The airline entered into a pool agreement with Aden Airways and Sudan Airways on the Khartoum–Asmara–Aden service. A new flight to Conakry was launched on . Kano, which had been served since , was removed from the list of destinations that day. On 30 November 1963, the airline lost another DC-3 (ET-AAT) in a test flight at Addis Ababa; the crew of suffered minor injuries. Rome became served for the first time on on a weekly basis; the flight was routed via either Khartoum or Athens as part of a pool agreement with Alitalia.