Four armed Turkish fighter aircrafts entered the Athens FIR without filing flight plans and in two instances their interception by Greek Air Force aircraft ended in an engagement over the northern Aegean.

A Turkish helicopter also entered the Athens FIR on Tuesday in the same area, after lifting off from a Turkish Navy ship.

In all, three incidents of infringements of air traffic regulations took place over the northern Aegean; all three turned into air space violations.

In all instances, the Turkish aircraft were intercepted and identified by Greek fighter aeroplanes.