ALTDEV ALT OVERSHOT DURING SID DEP PROC. CLRNC INTERP PROB.

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ON DEP PASSING 3500 FT PNF CONTACTED DEP. STATED 3500 FT FOR 4000 FT. CTLR ASKED WHAT ALT CLRED; RESPONDED 4000 FT. CTLR STATED CONFUSION THAT TURBOPROPS USUALLY CLRED TO 3000 FT. ALT PRESET FOR 4000 FT. CTLR STATED WE WERE CLRED TO 3000 FT AND THEN CLRED US TO 15000 FT. PROB AROSE BECAUSE OF COCKPIT MISTAKE OF NOT RESETTING ALT SELECT TO 3000 FT AS IN CLRNC. IT WAS LEFT AT LAST ASSIGNED BEFORE LNDG. CAPT BRIEFED DEP AS INDICATING 4000 FT AFTER FO WAS OFF LINE BRIEFING PAX. REDUCED REST OVERNIGHT WITH LITTLE SLEEP. CANADIAN PROCS DIFFERENT THAN UNITED STATES; I.E.; CONTACT DEP WHEN AIRBORNE NOT WHEN SWITCHED BY TWR AS IS UNITED STATES PROC. IF INITIAL CONTACT HAD BEEN WHEN AIRBORNE CTLR WOULD HAVE CAUGHT THE MISSETTING OF ALT SELECT WHEN 4000 FT STATED BY PNF. ALT USED WAS DIFFERENT THAN SID OF 5000 FT SO CONFUSION; COUPLED WITH HIGH WORKLOAD AND COCKPIT RESOURCE MGMNT BREAKDOWN AND FATIGUE ADDED TO THE PROB. SUPPLEMENTAL INFO FROM ACN 242793: I WAITED FOR TWR TO CLR US OVER TO DEP BUT IN CANADA UNLIKE UNITED STATES PIC MUST MAKE THE CHANGE WITHOUT BEING TOLD. THUS; AFTER PASSING 3500 FT THEN CON TACTING DEP IT WAS TOO LATE TO GET AN ALT CONFIRMATION.