What is it about being on the Dark Side of the Atlantic that causes everybody to suffer a total lack of business sense? In Canada only a couple of major airports make the lighties pay to land, and that's a matter of traffic management rather than revenue. The only fields here that charge fees only do so if you've over 10,000lb. Why do they let us land for free? Because they want us to buy gas & oil and spend some time in the restaurant, or maybe the airport is run by a municipality that wants us to stay in a hotel nearby and spend even more cash. Most airports here will even waive overnight tie-down fees if you buy gas from them. In the US it's even better- they'll drive you into town for sighseeing and pick you up later, all no charge. So my advice to airport operators "over there" is to stop nickel-and-diming and start acting like a business- I'm willing to bet a loonie that the first UK airport to abolish landing fees will pull in more revenue next year than ever before.
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Nuke the rainforest- it's more efficient than logging.