CL65 FLT CREW AFTER BEING ISSUED A DEP CLRNC AND FLYING THE PUBLISHED DEP IS QUESTIONED BY THE CTLR IF THEY ARE ON THE CORRECT DEP.

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WE ARRIVED AT THE AIRPLANE IN CHARLOTTE AND ACCEPTED THE ACFT FROM A TERMINATING CREW. AS THE FO; I COPIED DOWN ATIS AND CALLED CLRNC CTL FOR OUR DEP CLRNC. THE ATIS STATED TO ONLY READ BACK XPONDER CODE AND ASK ANY RELEVANT QUESTIONS (OR SOMETHING TO THAT EFFECT). I READ BACK THE XPONDER CODE ONLY BECAUSE I FELT I HAD NO QUESTIONS AND UNDERSTOOD THE CLRNC. AFTER DEP; THE CTLR ASKED IF WE WERE FLYING A CERTAIN DEP. I STATED WE WERE NOT; AND SAID WE WERE CLRED ON THE 'HORNET ONE DEP; NALEY TRANSITION;' BY CLRNC CTL ON THE GND. CTLR SAID IT WAS NO PROB AND CLRED US FOR THE HORNET ONE DEP AND WE LEFT THE AREA WITH NO PROBS. I DON'T KNOW IF I WAS CORRECT OR NOT. I COULD HAVE WRITTEN DOWN THE WRONG DEP; NOT THINKING ANYTHING OF IT; AND THEREFORE I WOULD NOT QUESTION IT DURING MY READBACK TO CLRNC. THAT'S WHY I BELIEVE WE SHOULD ALL BE ENCOURAGED TO READ BACK THE CLRNC AND NOT JUST XPONDER CODE. YES; IT WOULD CAUSE MORE RADIO CHATTER; BUT NOT BY VERY MUCH. MANY DEPS HAVE THE SAME 'NUMBER' OR THE SAME TRANSITIONS AND IT IS NOT DIFFICULT TO MISHEAR OR MISUNDERSTAND A CLRNC; ESPECIALLY WHEN YOU ARE NOT FAMILIAR WITH A CERTAIN ARPT. OFTENTIMES THINGS ARE BUSY; THERE IS A LOT OF NOISE; AND INTERRUPTIONS THAT CAN LEAD TO CONFUSION. BY READING BACK THE CLRNC IT HELPS ELIMINATE THIS POSSIBILITY. I KNOW THERE ARE SOME OTHER ARPTS THAT USE THIS PROC SUCH AS BOS. ANOTHER WAY TO PREVENT THIS IS BY TECHNOLOGY THAT ALLOWS YOU TO PRINT A COPY OR HAVE AN ELECTRONIC COPY IN THE COCKPIT SUCH AS ACARS.