Jamie, don't forget that EDI and GLA are also full service airports, so will see growth from things like Diversions, which MAN does not. I am sure they are also Airports with Car Parks attached, and not Car Parks with Airports attached
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Years ago I picked up some Mags from the TAS shop. There was a guy called Peter Hampson. He seemed to be the guy who sorted most things out and I remember reading a comment by him that said "MAN turn nothing away." Where is this guy now? He seems like a good person to sort the diversion and car park issues.