2001 March 2nd. U.S., Arizona, Phoenix International Airport: a Southwest Boeing 737 made an emergency landing after smoke was reported from the rear of the cabin. No one of the 70 people aboard was injured.

2001 March 8th. U.K., Glasgow Airport: A Continental Airlines Boeing 757 bound for Newark, New Jersey, and carrying 142 passengers and crew was forced to return to Glasgow airport for an emergency landing; the pilots activated fire extinguishers in the cargo hold after warning light indicated a possible overheating in the cargo area. The plane was evacuated via inflatable emergency chutes after landing. No injuries were reported.

2001 March 10th USA, Hawaii, Maui: an United Airlines 767-300 enroute from Maui to Los Angeles lost power on both engines at a height of 28,000 feet; the pilots were able to restart the engines a short time later and made an emergency landing on the island of Hawaii; no one of the 238 passengers aboard was hurt.

2001 March 10th. USA, Washington, Seattle-Tacoma Airport: A Southwest Airlines Boeing 737, flight 752 bound for Reno, Nev., turned back after takeoff from Sea-Tac Airport when pilots noticed smoke in the cockpit and landed safely; no one of the 122 passengers aboard was hurt

2001 April 5th. USA, Chicago, Midway Airport: a Frontier Airlines Boeing 737, flight 661 bound for Denver, with 105 people aboard (100 passengers and 5 crew) experienced pressurization problem at 18,000 feet shortly after takeoff and returned to the airport. According to the airline there were no injuries that required hospitalization.