This is a list of aviation-related events from 2001.

Events

January

February

March

April

May

June

July

August

September

October

November

December

First flights

January

February

July

Entered service

May

November

Deadliest crash

2001 remains the deadliest year for aviation in history. The September 11 attacks marked the deadliest ever act of terrorism; an estimated 2,977 people were killed along with the 19 hijackers who commandeered four aircraft in the United States and crashed them into targets including the World Trade Center in New York City, The Pentagon in Washington, D.C., and in Shanksville, Pennsylvania. Alongside the attacks, which changed aviation significantly in following years, there were many notable accidents both before and after September 11 that have left a lasting impact on the industry. The deadliest such crash took place when American Airlines Flight 11, the first aircraft hijacked in the September 11 attacks, crashed into the North Tower of the World Trade Center, killing all 92 people on board and at least 1,600 in the North Tower. The deadliest non-terrorist crash took place American Airlines Flight 587, an Airbus A300, crashed in Belle Harbor, Queens, shortly after taking off from John F. Kennedy International Airport on 12 November, two months and a mere few miles from the main site of the 9/11 attacks, killing all 260 people on board, as well as five on the ground. As 9/11 was a terrorist attack, Flight 587 is also the deadliest commercial aviation accident in the 2000s decade.