I think that means sorry you are not posh enough for Farnborough or we don't want to use up a precious movement slot for the likes of you.
Sounds a bit harsh to me given that FNB is literally next door to Blackbushe and Fairoaks is some distance away over built up areas and some very undulating terrain.
I am sure it is true that FNB only has Jet A1 but Microlights could get refuelled from a 10l plastic container with enough avgas to get them back to the 'bushe