Pakistan International Airlines Flight 705 ( PK705 ) was a Boeing 720 airliner that crashed while descending to land at Cairo International Airport on 20 May 1965 . Of the 121 passengers and crew on board , all but 6 were killed . The accident , the fourth and worst involving a Boeing 720 , was the deadliest to occur in Egypt at the time and remains the third-deadliest , behind Flash Airlines Flight 604 and Metrojet Flight 9268
Flash Airlines Flight 604
Flash Airlines Flight 604
Pakistan International Airlines Flight 705