1.   The two planes collided in mid-air.

2.   The planes collided in midair.

3.   The two planes collided in midair.

4.   The planes collided in mid-air in front of a quarter of a million people.

5.   But the city was blanketed with fog, and the planes collided over the south shore of Staten Island.

6.   In November, two planes collided near Scottsdale Municipal Airport, killing two men and peppering an apartment complex and a golf course with debris.

7.   Initial reports indicated that the pilot aborted takeoff after the plane collided with two geese, damaging an engine.

8.   Last spring when the planes collided, China was still tensely waiting to see if it would get the Olympics or be invited to join the trade body.

9.   On Sunday, an American surveillance plane collided in international air space with a Chinese interceptor jet.

10.   Several residents said they saw two planes collide, one aircraft clipping the wing of another before the crash.