recovery efforts are officially over with the fatal crash of a sightseeing helicopter into the Hudson River the National Transportation Safety Board says teams retrieved the last key component of the aircraft that was the tailrotor system which our Brenda Flanigan was able to capture on camera yesterday during her reporting divers from the NYPD worked with the US Army Corps of Engineers and Jersey City OEM to find recover and secure the helicopter's main rotor system including the transmission and the roof beam the main fuselage which includes the cockpit and cabin those were recovered shortly after the crash according to the NTSB authorities say all evidence will get taken to a secure location to be investigated but they're still asking witnesses to send photos videos or any information that could be helpful to the investigation the sightseeing chopper broke apart midair before crashing upside down into the Hudson killing a family of five from Spain and the pilot the helicopter tour company has been shut down the NTSB says it'll issue a preliminary report within 30 days and a probable cause for the crash within the next 12 months [Music]