This is a list of aviation-related events from 1973.
The deadliest crash of this year was the Kano air disaster in which an Alia Boeing 707 chartered by Nigeria Airways crashed while attempting to land in Kano, Nigeria, on 22 January; 176 of the 202 people on board were killed. The second deadliest of 1973 took place only 5 months before, when Varig Flight 820, also a Boeing 707 which crashed near Orly Airport on 11 July, 123 of the 134 people on board were killed