Ta muchly. I've heard " at your discretion " a number of times at A/G airfields in the past. Looked for anyone on finals and quite often seen someone and thought....." he's a bit optimistic " calling that one and decided to stay put.... <img border="0" title="" alt="[Cool]" src="cool.gif" /> . .. .This is the kind of stuff that is a lot more relevant than knowing some obscure ICAO article in Air Law!. .. . <img border="0" title="" alt="[Big Grin]" src="biggrin.gif" />