11.   The co-pilot of the plane reported smoke in the cockpit and cabin shortly before the crash.

12.   The crew reported smoke in the cockpit and the cabin.

13.   The pilot reported smoke in the cockpit and was circling to dump fuel before attempting to land in Halifax.

14.   The plane returned for an emergency landing because the pilot reported smoke in the cockpit, Maldonado said.

15.   The pilots had reported smoke in the cockpit at the beginning of the incident, but it is not clear yet whether there was a fire there.

16.   The Swissair pilots reported smoke in the cockpit when they first alerted air-traffic controllers about problems on the New York-to-Geneva flight.

17.   The trouble began when the gals started making serial trips to the bathroom and other passengers reported smelling smoke.

18.   The Swissair pilot reported smoke in the cockpit before the crash.

19.   Passengers were ordered off an Alaska Airlines jet after smoke was reported in the cockpit, a spokesman for Seattle-Tacoma International Airport said.