Northwest Airlines

former US-American airline

1987 crash of an MD-80 aircraft in Detroit, Michigan, USA

Delta Air Lines' regional airline brand

American regional airline

1944-2012 airline in the United States

defunct United States airline (1979–1986)

regional airline service

American attorney and businessman

Proposed airline alliance

N661US is an aircraft that was built by Boeing as the prototype of the Boeing 747-400, a modernized version of the Boeing 747. The plane rolled off the assembly line on January 26, 1988, and had its first flight on April 29, 1988. After the 747-400 flight testing program had concluded, Boeing delivered the aircraft to Northwest Airlines on December 8, 1989.