21.   Investigators until now were uncertain whether it was ripped off because of a technical failure, or because it had not been closed properly before the ferry left port.

22.   It originally was scheduled to arrive Thursday, but was delayed en route because of technical failures.

23.   It was originally scheduled to arrive Thursday, but it was delayed en route owing to technical failures.

24.   It was delayed by a day owing to technical failures en route.

25.   It was originally scheduled to have arrived Thursday, but was delayed en route owing to technical failures.

26.   It was unclear whether an instrument picked up smoke or if the light went on due to a technical failure, a spokesman said.

27.   It originally was scheduled to arrive Thursday, but it was delayed en route due to technical failures.

28.   It was returning from a reconnaissance mission when it suffered a technical failure, according to Holger Steinle, deputy director of the museum.

29.   Ofir also said he had no signs of either a terror attack or a technical failure.

30.   No other vehicle was involved in the accident and there were no indications of technical failure, a police spokesman said.