11.   While no crash has resulted from the outages, controllers, pilots and risk assessment specialists say they are worried.

12.   Canadian officials and the White House said there was no indication the crash resulted from a terrorist act.

13.   Canadian and U.S. officials said there were no indications that the crash resulted from sabotage or a terrorist act, but investigators were not ruling anything out.

14.   In a dispatch monitored in Cairo, the news agency repeated claims that the crash resulted from a shortage of spare parts under the U.N. Security Council sanctions.

15.   Investigators believe the ValuJet crash resulted from a cargo hold fire fueled by oxygen generators.

16.   Lagvinenko said the air company believes the crash resulted from a power failure, according to Interfax.

17.   The crashes resulted in four deaths.

18.   The crash resulted in Schumacher beating Hill for the championship.

19.   The lawsuits against American claim the deadly crash resulted from violations of federal aviation regulations and airline policy.

20.   There were no indications that the crash resulted from sabotage or a terrorist act, but investigators were not ruling anything out.