Beethoven, advice is that if you're flying within 10 nm of an airfield with chevrons on the map to give them a call. It's actually printed on the CAA 1:500000 charts in the legend that explains what the chevrons are. Before you think I'm having a go at you for not knowing that, however, I must confess I only know because it's a question in the PPL exams which I was asked about recently <img src="cool.gif" border="0">