Investigators from the NTSB arrived at Newark Liberty International Airport on Monday after a near catastrophe over the weekend.
A United Airlines flight struck a light pole while on final approach on Sunday afternoon, damaging a tractor-trailer traveling below and sending its driver to the hospital with minor injuries.
Federal aviation officials are investigating a United Airlines pilot's report that his aircraft reportedly struck a drone while landing at San Diego International Airport on Wednesday morning.
Pennsylvania State Police said the pilot and a passenger had departed Solberg, New Jersey, en route to Indiana when the pilot reported engine trouble over Pennsylvania.
The pilots killed in Sunday's collision were two young, ambitious Canadian men that had long dreamed of becoming pilots.