Ferry boat captains and passengers helped in pulling all crash survivors to safety:
All 155 survive plane crash in NYC’s Hudson River – Yahoo News
The plane was submerged in the icy waters up to the windows when rescuers in Coast Guard vessels and ferry boats arrived, opened the door and pulled passengers in yellow life vests from the aircraft, whose fuselage appeared intact. The plane was sinking in the near-freezing water on one of the coldest days of the year, with the mercury around 20 degrees.