Absolutely no idea CD.
I would have thought that would be OK, but as with the car park, the usual no liability etc would probably apply!
Give them a call, send a confirmatory e-mail so the landowners permission is 'in writing' and maybe suggest to them that it might be a good opportunity for some photos of the hotel/aircraft to use for future promotions. Goodwill all round, any fees waived and good for future users.
Looking at google maps, mind those wires!