in reply to your comment up here inthe north west (not sure where you are) we have a couple of controllers who sound like taxi radio operators shouting out "any vehicles clear for emergencies in ...., then .... and .... and .... and.... etc the other day i went to an red call query mi and was stood down for a Purple which should be not concious not breathing or at least ineffective breathing 21yof in and office block yest you guessed it she had a cold and sniffle