Washington ( CNN ) -- Two planes that nearly collided last month at Newark Liberty International Airport came within yards of each other , the National Transportation Safety Board said . United Express Flight 4100 , an Embraer ERJ-145 operated by ExpressJet , was cleared to take off on runway 4R at the same time United Airlines Flight 1243 , a Boeing 737 , was landing on the intersecting runway 29 on April 24 . On air traffic control radio captured by the website LiveATC.net , the tower can be heard telling the pilot of the 737 to `` go around '' and circle the airport . The controller told the ERJ to watch out for the larger plane on the right . `` Yeah , we were putting the nose down , and , uh , he was real close , '' the pilot responds . The 737 flew 135 yards away vertically and 50 yards away laterally from the smaller regional jet . `` We are working with the NTSB in its review of the incident , '' United spokeswoman Christen David told CNN . There was no damage to either aircraft or any injuries , according to the NTSB . The agency will not make a determination of what caused the incident until it releases its final report , which is expected to take months . NTSB : Air traffic controllers set altitudes of planes that nearly collided off Hawaii . Drone , jetliner nearly collided .
A United Airlines flight landing at Newark Airport nearly hit a plane waiting to take off . The Boeing 737 was 135 yards away vertically , 50 yards away laterally , NTSB says . The aircraft were operating on intersecting runways during the April incident .