hmmm, was under the impression landing fees at manc were about 40quid a pop, could be wrong of course, ie 20 quid for a departure and 20 to come back. This could easily be checked with a quick call to the airport itself.
Looking at the post counts of horsebox, slip up and and binbombayanback could it be true that someone at JD Aviation is posing as a satisfied customer in an attempt to gain your business?