11.   Military officials also reported on Monday that an unmanned Global Hawk reconnaissance aircraft crashed in Pakistan early Sunday while returning to its base there, military officials said.

12.   Overly said such tapes sometimes will provide clues to why an aircraft crashed and how pilots handled an emergency situation.

13.   The aircraft crashed on the runway during a thunderstorm, cracked apart and caught fire.

14.   The Navy launches two separate investigations when an aircraft crashes.

15.   The robotic aircraft has never crashed, Amidi said, although it once had a close call when it was under the control of humans.

16.   The swan-like supersonic aircraft crashed into a small hotel near Charles de Gaulle International Airport near Paris after one of its four engines burst into flames.

17.   Within half an hour, the aircraft crashed into a thickly wooded hillside south of St. Louis.

18.   A Dutch father and son died Sunday when their ultralight aircraft crashed during a landing attempt outside the small central Spanish town of Fuentemilanos, news reports said.

19.   A aircraft crashed on a training flight Friday, killing the two people on board, the National Search and Rescue Agency said.

20.   A military official said the aircraft crashed due to a technical malfunction.