B737-500 CAPTAIN BELIEVES FATIGUE WAS A MAJOR FACTOR IN A TRACK DEVIATION CAUSED BY A MISPROGRAMMED FMS.

Narrative

THE FO HAD PROGRAMMED THE WRONG ARR INTO THE FMC ON THE GND AT ZZZ. I DID NOT CATCH THE ERROR. ZAB ASKED US IF WE WERE ON THE KOOLY ARR. I SAID NO; 'WE ARE ON THE SUNSS.' CTR SAID GO DIRECT SUNSS; CROSS 5 MI E AT 11000 FT; 250 KIAS; THEN FLY THE KOOLY ARR. WE COMPLIED. WHEN CTR SWITCHED US TO APCH CTL; I THANKED THE CTLR FOR HIS HELP AND SWITCHED FREQS. AFTER CHKING IN WITH PHX APCH; THE CTLR SAID; 'COMPANY NUMBER; ZAB CALLED AND WANTED TO KNOW IF YOU WERE FILED ON THE KOOLY ARR.' I SAID YES THAT WE WERE ORIGINALLY FILED ON THE KOOLY. APCH SAID OK AND THAT WAS THE END OF IT. THESE SERIES OF ERRORS ARE DIRECTLY CAUSED BY CREW FATIGUE. AFTER A VERY LONG 4-DAY TRIP; A VERY LONG LAST DAY; WX; APCHS; GND TIME; ACFT SWAP; ATC DELAYS; LINE CHK; NEW ARPT; THE CUMULATIVE EFFECT OF ALL OF THIS DEGRADED OUR PERFORMANCE BELOW ACCEPTABLE LEVELS. I DID NOT REALIZE THIS UNTIL IT WAS TOO LATE. MY FO WAS EXCELLENT; ONE OF THE BEST PLTS I HAVE FLOWN WITH. WE ARE BOTH VERY EXPERIENCED; COMPETENT PLTS. THE BUILDING OF THIS TYPE OF PAIRING IS BOTH FOOLISH AND DANGEROUS. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: BECAUSE RESPONSIBILITY FOR RECEIPT OF THE CLRNC IS ASSIGNED TO THE FO; REPORTER -- THE CAPTAIN OF THE FLT -- WAS UNSURE WHETHER THE AIRWAYS CLRNC WAS RECEIVED OVER THE RADIO OR VIA DATALINK PDC; WHICH IS AVAILABLE AT THE DEP ARPT. HE THINKS IT MIGHT HAVE BEEN PDC BECAUSE HE DOESN'T REMEMBER ACTUALLY HEARING THE ASSIGNED ARRIVAL.