21.   About a dozen Boeing engineers remain in New York helping the safety board gather evidence, conduct engineering analyses and reconstruct and identify wreckage.

22.   According to his report, most of the people he spoke to agree with the conclusions of the safety board and the FBI.

23.   According to the safety board, the Eastwind plane had three earlier problems with its rudder.

24.   After that crash, the safety board issued several recommendations to the FAA.

25.   After reaching periscope depth and then diving, the Greeneville turned around and began moving directly toward the Ehime Maru, the safety board said.

26.   After the Roselawn crash, the safety board recommended the grounding of the plane in icy conditions, but the FAA refused to go along.

27.   Allen Morrison, a spokesman for the Port Authority of New York and New Jersey, said investigators from the safety board finished inspecting the wreckage late Friday afternoon.

28.   Brown, the safety board concluded, was not prepared to stay awake all night because he had firmly established a regular sleep-awake pattern.

29.   But in this case and the Dominican case, the safety board offered to analyze the flight data recorders and cockpit voice recorders because the planes were manufactured here.

30.   But industry groups say the safety board often makes recommendations that are impractical and do little to increase actual safety.