The E-8C is an aircraft modified from the Boeing 707-300 series commercial airliner. Electra is an American turboprop airliner built by Lockheed. The first commercial jet airliner to fly was the British de Havilland Comet. Comet was the world's first commercial jet airliner. Lufthansa was the first foreign launch customer for a Boeing airliner. This is the first supersonic flight by a civilian airliner. The Airbus A350 is now the longest range airliner. The aircraft was a Fokker F27-200 Friendship turboprop airliner, c/n 10207, built in 1962. The Tu-104 was the USSR's first jet airliner. The first jet airliner, the de Havilland Comet, was introduced in 1952. It is the world's largest passenger airliner. It had the distinction of being the first jet airliner to be developed in Germany. It holds the world record for the longest nonstop flight by a commercial airliner. It rose again with Boeing's growing dominance in the commercial airliner market. Jetstream 31 twin-turboprop airliner, registration number "N410UE".