1.   Planes have occasionally disappeared in midair, but this is a rare phenomenon.

2.   After the plane disappeared, New Hampshire Fish and Game Department officials began the largest search in state history.

3.   Almeida said the area had been mildly misty when the plane disappeared.

4.   Four minutes later, the plane disappeared from radar and was never seen again.

5.   Minutes later the plane disappeared from radar.

6.   No wreckage has been spotted, but the area has been blanketed by nearly two feet of snow since the plane disappeared and the bad weather has stymied searchers.

7.   One of the mysteries of the crash is that the plane disappeared from radar screens suddenly, with no distress call from the pilot.

8.   The plane disappeared and the engine roar floated off with the breeze.

9.   The only American pilot lost was Hine, whose plane disappeared during the battle.