Philippine Airlines Flight 143 (PR143) was the route designator of a domestic flight from the Manila Ninoy Aquino Airport, Metro Manila, Philippines to Mandurriao Airport, Iloilo City. On May 11, 1990, the Boeing 737-300 (C/N 24466, MSN 1771) assigned to that route exploded and burned on the ground at Manila Ninoy Aquino International Airport.