The United States air force and the Italian coast guard are searching for efforts in bad weather conditions, limited visibility. Ansa news agency reported that fuel is smooth, the past has in the sea.
The United States air force said, "lose touch" F - 16 in the evening local time at about 1900 (GMT) - language is often used to describe a possible collapse, although the air force officials refused to reveal the event.
The United States air force said in a statement: "this plane is practice mission in the Adriatic Sea a man in the boat. The pilot's condition is unknown at this time,".
The Italian coast guard spokesman told Reuters said, in the area of snow and hybrid search and rescue work was hampered.
"Continue to search, although in the dark and bad weather," he said.
He could not confirm news agency ansa reports said, on the surface of the hair has the fuel smooth.
A helicopter, the Italian coast guard boat and four commercial ships carding waters Cervia 10 km distance, in the northern Adriatic Sea coast. The coast guard diver has also ready in the morning, he said.
In the northern Italian avia's air force base a spokeswoman said it will post more information, it becomes available.
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