Although usually the responsibility of Park, the controllers took the matter into their own hands and ordered all aircraft into the air.

But as it was attempting to take off from there this afternoon, a controller ordered the pilot to make a 270 degree turn.

Upon realizing the mistake, the controller ordered Air California 336 to go around and the other aircraft to abort its takeoff, which it did.

The controller ordered them back to base.

Told that it was for condoms, the controller ordered the pilot not to approach the stadium, Mr. O'Brien said.

The crew responded that Flight 11 was at 29,000 feet, and controllers ordered Flight 175 to turn and avoid the aircraft.

Realizing their error, controllers order the inbound aircraft to take evasive action 12 seconds before it would have collided with the leading outbound jet.

Work trains use the procedure, and controllers can order motormen to use it in unusual circumstances.

It was not until about 50 seconds before the crash that Swiss controllers ordered the Russian plane to descend.

Ten seconds later, the controller ordered the pilots to disengage, saying the forces on the ground were "friendlies Kandahar."