The Federal Aviation Administration announced that New York Helicopter Tours, which owned the helicopter that crashed into the Hudson River last week, is shutting down operations.

Federal aviation regulators issued an emergency order Monday grounding the helicopter tour company involved in a deadly New York crash after learning it had fired its operations director minutes after he had agreed to suspend flights during the investigation.

New York Helicopter Tours is shut down while the Federal Aviation Administration investigates the crash of one of its helicopters into the Hudson River last week. Six people on board died as a result of the crash,