At first he thought there had been some sort of catastrophic accident on the course, but then the truth dawned on him.

Short of some catastrophic accident, there was no way in which it could possibly elude him.

In this view, the catastrophic accident was caused by gross violations of operating rules and regulations.

"We want to ask what else can be done to decrease the likelihood of catastrophic accidents."

If he per- sisted anyway, he could expect to have a catastrophic accident.

There had been some catastrophic accidents in Grumbach's narrow streets.

What had just begun was a catastrophic loss-of-coolant accident.

Otherwise, it says, the risk of a "catastrophic accident" is drastically increased.

Two catastrophic accidents in 113 previous flights testify to the dangers.

Third, the subject of risk was discussed, but always with the implication that a catastrophic accident is the end result.