In order to put the fines at Manston into perspective, we would like to know what the fuel costs are for flying a fully laden 747-400 freight plane from, say, Nairobi to Manston. And maybe the fuel cost of flying the same, mostly empty, plane back again.
As for all the Open Questions, you can give your answer in the comments below, or send an email (with or without attachments), or upload a file. Please let us know what the sources are for your answer - web links, scans, photos, documents or whatever. If you've got an Open Question you would like to see here, just put it in the comments below.