As flights over Greece surge to new highs, concerns are mounting over outdated air traffic control infrastructure, recent system failures and whether long-delayed upgrades can keep pace with soaring demand.

According to reports broadcast by the Mega Channel current affairs program Live News, the helicopter flew unusually low around the ferryboat Theofilos while it was operating a scheduled route in the central Aegean Sea

The two main airport operators in the country, the two biggest domestic airlines and a major construction and concessions group will cover the 4.7-million-euro donation for the VCRS