The Year of '71

The years aircraft: The Ilyushin Il-76

April 26 – Lieutenant Colonel Thomas B. Estes (pilot) and Major Dewain C. Vick (reconnaissance systems officer) make a record-breaking nonstop flight of 15,000 miles (24,155 km) in an SR-71 Blackbird of the U.S. Air Force's 9th Strategic Reconnaissance Wing, at times exceeding Mach 3. They will receive the MacKay Trophy for the flight

September 11 – The Britten-Norman Trislander makes its first flight

September    The Concorde crosses the Atlantic Ocean for the first time.