New York Helicopter Tours -- the company involved in the deadly crash on the Hudson River -- is shutting down its operations immediately, the FAA said.

The National Transportation Safety Board said on Saturday that the helicopter involved in a crash that killed six people in New York earlier this week was not equipped with any flight recorders and that the accident occurred during the aircraft's eighth flight of the day.

Federal investigators say the sightseeing helicopter carrying a pilot and family of five visiting from Spain that crashed into the Hudson River last week was not equipped with any recording devices. In a written statement released over the weekend,