July 27 –
El Al Flight 402, an international passenger flight from
London to
Tel Aviv via
Vienna and
Istanbul, strayed into
Bulgarianairspace and was shot down by two Bulgarian
MiG-15 jet fighters. It later crashed near
Petrich, killing all 7 crew and 51 passengers on board. The crash took place amid highly strained relations between the Eastern Bloc and the West and was the deadliest involving the
Constellation at the time.[11][12]