manhattan. the chopper pilot, richard vance, the lone survivor. >> may day, my day, may day. >> a desperate pilot of this helicopter sending a frantic man day call after losing altitude. amateur video capturing it plunging near the freezing river, and tipping over and taking on water. >> the pilot treated himself. the other five did not. >> tug boats rapidly arriving on the scene. emergency responders working desperately to help the passengers. >> the harnesses had to be cut and removed in order to get the folks off of this helicopter, which was upside-down and submerged. >> two were pronounced dead at the scene.