11.   If the engine fails on take-off, keep going straight ahead and crash land.

12.   I shall have to stay near open areas in case the engine fails.

13.   A nine-metre motor cruiser en route from Lancaster to Holyhead got a tow from a warship yesterday after its engine failed.

14.   But the engine failed when they were less than a mile away, and they were caught by Cuban authorities.

15.   From cockpit readings, pilots could assume the engine had failed and try to disengage the rotors for an emergency landing known as an auto-rotation.

16.   Had that engine failed, I could have been killed.

17.   He said no evidence has been found to indicate the engine failed.

18.   If the fan blades fail at any stage, the engine fails.

19.   If one engine fails, the other engine or engines allow the craft to operate safely.