1.   The pilot radioed in to the control tower.

2.   The pilot radioed that his navigation systems had failed.

3.   After the cockpit filled with smoke, the pilots radioed an emergency but soon lost contact with the control tower in Halifax.

4.   He said the officials told him that the pilot had radioed to FAA controllers that the plane was experiencing a mechanical failure and needed to return to the airport.

5.   He said the officials told him that the pilot had radioed to FAA controllers that the plane was experiencing a mechanical failure and needed to return.

6.   If a passenger starts having medical problems, the pilot radios MedAire, which operates from a corner in the emergency department of Good Samaritan.

7.   Lopatkiewicz said the pilots then radioed the control tower and declared an emergency, but by that time they already had the runway in sight.

8.   Minutes after the plane left the Lima airport for Santiago, Chile, the pilot radioed that his instruments had failed.

9.   Nine seconds later, the pilot radioed to say he was taking a turn to the right.