Her crew may have failed to realize that the submarine was slowly going under.

The crew failed to abandon the maneuver once control was lost.

"Your crew has failed to show me the proper respect."

Apparently the crew had failed to release the landing gear on final approach.

The crew failed to gain control based on the other flight instruments.

It was an island so vast that he and his crew failed to reach the far shore after 40 days of walking.

If too many crews failed, the entire unit could be decertified.

The crew tried, but failed, to restart the engines three times.

But when he asked for the passenger list, the crew failed to produce one.

The crew tried to discover and repair the leak, but failed.