New York Police Department divers were captured on aerial video responding to the fatal Hudson River helicopter crash last ...

Side-scanning sonar is being used along the river to find potential sites of wreckage from the crash that killed the pilot ...

Divers were continuing to recover wreckage from the helicopter, including the main fuselage — containing the cockpit and cabin ... NTSB said. Side-scanning sonar is being used to identify ...

As divers continue to use "side-scanning sonar ... On the day of the crash, the helicopter had performed seven tour flights, and was on its eighth flight when the accident occurred, per the NTSB. MORE ...

As divers continue to use "side-scanning sonar" to search the Hudson River for wreckage from the helicopter crash that killed ...

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