By ARTHUR MAX
Associated Press Writer
AMSTERDAM (AP) -- Major airlines that sent test flights into
European air space found no damage Sunday from the volcanic ash that has paralyzed aviation over the continent, raising pressure on governments to ease restrictions that have thrown global
travel and commerce into chaos.
Is it safe to fly yet? Airline officials and some pilots say the passengerless test flights show that it is. Meteorologists warn that the skies over Europe remain unstable from an Icelandic volcano that continues to spew ash capable of knocking out jet engines.
European Union officials said air traffic could return to half its normal level on Monday if the dense cloud begins to dissipate. Germany allowed some flights to resume.
Eighty percent of European airspace remained closed for a devastating fourth day on Sunday, with only 4,000 of the normal 20,000-flight schedule in the air, said Brian Flynn, deputy head of operations for Eurocontrol, which supports the air traffic control network across the European Union's 27 states.
"Today it has been, I would say, the worst situation so far," Flynn said.
The test flights highlighted a lack of consensus on when to reopen the skies. The microscopic but potentially menacing volcanic grit began closing airports from Ireland to Bulgaria on Thursday, stranding countless passengers and leaving cargo rotting in warehouses.
"It is clear that this is not sustainable. We cannot just wait until this ash cloud dissipates," EU Transport Commissioner Siim Kallas told reporters at the European capital in Brussels.
KLM Royal Dutch airlines, the national German carrier Lufthansa, Air France and several regional airlines sent up test flights, probing altitudes where the cloud of ash has wafted over Europe since the volcano turned active on Wednesday. British Airways planned an evening flight over the Atlantic from Heathrow, one of Europe's busiest hubs.
None of the pilots reported problems, and the aircraft underwent detailed inspections for damage to the engines and frame.
"Not the slightest scratch was found" on any of the 10 empty long-haul planes Lufthansa flew Saturday to Frankfurt from Munich, spokesman Wolfgang Weber said. The planes flew at low altitude, between 3,000 and 8,000 meters (9800 and 26000 feet), under so-called visual flight rules, in which pilots don't have to rely on their instruments.
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