tim ; for us , it was - "Dead LEG = Dead engine ". But, mate of mine, twin conversion got the failure, kept it beautifully under control but nervous as hell and concentrating on keeping the ball in the centre said that the leg pressurising the rudder pedal felt, er, numb. Instructor asked "Which engine has failed ?", matey touched his numb leg and assertively replied "Dead leg, dead engine, the left one, sir " ! Top instructor gently pulled back the live engine, a bit, to make the point but did manage a wry smile.