Fulham manager Roy Hodgson believes it would be unfair if UEFA forced his side to travel to Hamburg for Thursday's Europa League semi final by land.
The Cottagers' first leg in Germany is in jeopardy thanks to the volcanic ash cloud which has engulfed Europe's skies, causing Britain's airports to remain closed all weekend.
Should British airspace remain closed until Wednesday, Fulham would have to catch a train or ferry to mainland Europe before making their way to northern Germany by road or rail.
"It will be a disadvantage if we can't fly and were obliged to find other means of travel," said Hodgson.
"One of the major difficulties will be finding that means of travel. We wouldn't be able to contemplate booking anything until probably sometime during Monday, which would make it very late."
UEFA are expected to confirm on Monday whether or not the Europa League semi-finals scheduled for this week will go ahead.
Hodgson said his side will abide by any decision that UEFA make, and is confident that Europe's governing body will make the right call.
"We'll deal with whatever situation occurs," said the 62-year-old.
"If it turns out that we are told that you have to travel anyway and you have to make the best of it and you have to travel there as best you can then we'll travel there the best we can and we'll still do our best on the night.
"I'm convinced UEFA want to make it as level a playing field as possible."
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