11.   They frantically called another FAA facility, which alerted one pilot to descend.

12.   When the data-analysis system found the problem, and the pilots were alerted, the speeding problem disappeared, he said.

13.   Who knows whether more advanced controls would have alerted the pilots last Monday to the flames shooting out of the engines?

14.   A spokesman from air traffic control said the pilot had been alerted about strong winds.

15.   But at the very least it seems likely that more sophisticated air traffic systems would have helped controllers alert the pilots to danger.

16.   He acknowledged the Kazak plane lacked equipment that would have detected and alerted its pilots to an oncoming plane.

17.   The airline pilot was alerted by airport authorities, but he elected to continue the flight to Manila.

18.   Continental Airlines made history Wednesday by flying the first commecial aircraft with instruments that alert the pilot to potentially fatal turbulence known as wind shear.