Air traffic operator at Nottingham Airport, Dave Tower, said "aviators could become confused about who to call and what radio frequencies to use".

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Most unprepared of all was chief air-cargo operator HACTL, which was forced to stop processing freight at its spanking new Super Terminal 1.

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The Lufthansa group includes the world's largest maintenance company, the largest airline caterer (with 29% of the market), the leading air-cargo operator and a big systems company.

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This is the Air Force One operator.

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Mr Clarke volunteered for Bomber Command in 1940, and was accepted as a wireless operator and air gunner.

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He said the reduction in numbers was down to a "double whammy" of its biggest operator, Air Southwest, cutting services and the effects of the economic downturn.

BBC: Newquay airport

For recreational hobbyists, flying remote-controlled planes is only allowed by the FAA up to 400 feet in the air, and within sight of the operator.

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In a German TV interview, Baum indicated that a threat to sue Air France, the plane's operator, in U.S. courts would lead to a large settlement by European standards.

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While looking for other airlines to use the airport - Wizz is the only other significant operator, linking to Gdansk and Warsaw - its operators fear the rise in air passenger tax will hurt business further.

BBC: Prestwick Airport sees drop in winter passengers