<P> Many passengers and rescuers later experienced post-traumatic stress symptoms such as sleeplessness, flashbacks, and panic attacks; some began an email support group . Patrick Harten, the controller who had worked the flight, said that "the hardest, most traumatic part of the entire event was when it was over", and that he was "gripped by raw moments of shock and grief". </P> <P> In an effort to prevent similar accidents, officials captured and gassed 1,235 Canada geese at 17 locations across New York City in mid-2009 and coated 1,739 goose eggs with oil to smother the developing goslings . </P> <P> The partially submerged plane was moored to a pier near the World Financial Center in Lower Manhattan, roughly 4 miles (6 km) downstream from the ditching location . The left engine, detached by the ditching, was recovered from the riverbed . On January 17 the aircraft was barged to New Jersey . </P> <P> The initial National Transportation Safety Board (NTSB) evaluation that the plane had lost thrust after a bird strike was confirmed by analysis of the cockpit voice and flight data recorders . </P>

How did they remove the plane from the hudson river
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