FA-10 CREW FLEW THE MCCARRAN 1 SID; WHEN THEY WERE CLRED THE MCCARRAN 2 SID. THE CREW DID NOT HAVE UP-TO-DATE COMMERCIAL CHARTS ABOARD.

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I WAS THE CAPT AND PF THE MORNING OF THE OCCURRENCE. WHEN I RECEIVED THE CLRNC FROM LAS CLRNC; THE SID WAS THE SHEAD Q. THE ACFT HAD BEEN IN MAINT AWAY FROM ITS HOME BASE FOR 2 WKS PRIOR TO THE FLT; AND DID NOT RETURN TO ITS HOME BASE BEFORE LEAVING ON THE TRIP TO LAS (CHAIN OF EVENT AND CONTRIBUTING FACTOR). ALSO; THE CAPT THAT WAS RESPONSIBLE FOR MAINTAINING THE COMMERCIAL CHARTS SUBSCRIPTION LEFT THE COMPANY 3 WKS BEFORE THE FLT (CONTRIBUTING FACTOR). I COULD NOT FIND THE SHEAD 1 DEP IN OUR CHARTS; SO I CALLED CLRNC BACK AND REQUESTED THE MCCARRAN DEP; WHICH IS A VECTOR SID THAT I DID HAVE ON BOARD; AND WAS FAMILIAR WITH AND HAD FLOWN BEFORE. I DID NOT WANT TO FLY A DEP IF I DID NOT HAVE A COPY OF IT. THE CTLR GRANTED MY REQUEST AND CLRED ME VIA THE MCCARRAN 2 DEP. I; HOWEVER; DID NOT HEAR THE CTLR SPECIFY THE SEQUENCE NUMBER OF THE DEP. I READ BACK 'THANKS; CLRED VIA THE MCCARRAN DEP.' THE SID THAT I ACTUALLY HAD ON BOARD WAS THE MCCARRAN 1. I DID NOT HEAR MCCARRAN 2 IN THE CLRNC. MY MAIN FOCUS WAS ON THE NAME OF THE DEP AND NOT THE NUMBER. ON DEP; I FLEW THE MCCARRAN 1 WHICH CALLS FOR RWY HDG OFF OF RWY 25L. I WAS BEGINNING TO THINK THAT WE SHOULD HAVE BEEN GIVEN A TURN TO THE S AS WE HAD IN THE PAST WHEN LAS DEP ASKED US IF WE WERE IN THE TURN TO HDG 180 DEGS. WE SAID 'NO; WE ARE FLYING RWY HDG.' THE CTLR THEN GAVE US A TURN TO 180 DEGS AND INFORMED US THAT THE MCCARRAN 2 REQUIRES A L TURN TO 180 DEGS AT 3 DME LAS. THAT WAS THE FIRST TIME I HAD HEARD OR FUNCTIONED ON THE MCCARRAN 2. CONTRIBUTING FACTORS WERE: 1) THE ACFT BEING AWAY FROM HOME BASE AND LACK OF RECENT CHART UPDATES. 2) PREVIOUS CAPT HAD NOT UPDATED THE CHARTS PROPERLY. 3) GETTING A REVISED CLRNC WITH THE PAX ALREADY AT THE AIRPLANE RESULTED IN THINKING ABOUT OTHER ISSUES AT HAND. 4) I HAD AN INEXPERIENCED PART-TIME FO THAT ADDED TO MY WORKLOAD. 5) WE WERE ON THE FIRST LEG OF 6 AND AN 8 HR DAY OF FLYING; WITH 2 INTL LEGS. 6) ME NOT CATCHING THE 'MCCARRAN 2' PREVENTED THE ERROR CHAIN FROM BEING BROKEN. 7) THE CLRNC DELIVERY CTLR DID NOT CORRECT ME WHEN I READ BACK 'CLRED VIA THE MCCARRAN DEP.' THE BUSY UPCOMING DAY AND THE INEXPERIENCED FO COMBINED WITH THE PAX ALREADY AT THE PLANE MAY HAVE OVERLOADED MY ABILITY TO ABSORB DETAILS. I WILL ALWAYS PAY MORE ATTN TO CLRNCS.