List of trijet aircraft
The following is a list of trijet aircraft. == Proposed or suspended trijet developments == Boeing 747-300 Trijet – downsized 747 to compete with the DC-10 and L-1011, changed to four engines Blended Wing Body Trijet – proposed design based on the Boeing X-48 McDonnell Douglas MD-XX – stretched derivative of the DC-10, project shelved North American NR-349 – proposed interceptor derivative of the A-5 Vigilante, cancelled Airbus twin-tail trijet, – status unknown Dassault Supersonic Business Jet – suspended Aerion AS2 - Suspended Sukhoi-Gulfstream S-21 Boom Technology Overture - 3-engine design proposed, but changed to 4-engine Boeing 777 – Originally envisioned as a trijet 767 in the 1970s to compete with the DC-10 and the L-1011; later became a new twin-engine design.