Passengers at London's Heathrow and other congested airports often sit in a long queue of planes waiting near the runway to depart.

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In theory, there is a long queue of coal-fired power stations waiting to be built in America.

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The network has its own criteria as to a patient's placement in the long queue.

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"The problem is, in town - now that the buses are on strike - there's a very long queue, " she says.

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It claims that it is merely benefiting customers willing to enter into long-term deals by giving them discounted aeroplanes and a favoured place in the queue for delivery when the industry is booming (as it is now).

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