Narrative:

Runways 8 and 10 were available for lndgs. We briefed landing runway 8. First officer was flying and got behind on our descent. I tried to allow him to go as far as I could before starting to direct his flying and then finally taking the aircraft. He was low time in aircraft and I am low time (less than 100 hours) in left seat. In the rush to configure and get down for the landing, I erroneously requested to land on runway 10 and then proceeded to land on runway 8. After landing, tower asked us if we wanted to land on runway 8 as we had requested runway 10. No other aircraft were operating at the airport and no conflict was reported from the tower. In retrospect I allowed the situation to go too far before taking the aircraft. Fatigue was also a factor as it was the end of a 12 hour 55 min duty day. I had the prior leg operated from pdx which has runway 10 as primary parallel runways which may have stuck in my tired mind. Supplemental information from acn 363984: captain requested runway 10 due to landing weight. Approach was a high drop-off for ILS. Aircraft needed to drop landing gear to increase drag and sink rate. High minimums captain took control for landing and felt he couldn't make runway 10, continued descent, and left turn to land on runway 8. Tower notified after landing. So's first flight to sjs, failed to back up captain and first officer. Tower advised and spoke with crew, and crew advised by tower, no further action required.

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Original NASA ASRS Text

Title: DC10 FLC PERFORMS A LNDG ON THE WRONG RWY AT SJU. ACFT HAD BEEN HIGH AND PIC TOOK ACFT AWAY FROM THE FO. STILL TOO HIGH FOR RWY 10, PIC ELECTED TO LAND ON RWY 8, WITHOUT CLRNC. THIS WAS A NIGHT CARGO FLT WITH ALL 3 CREW MEMBERS LOW IN TIME IN ACFT IN THEIR POS.

Narrative: RWYS 8 AND 10 WERE AVAILABLE FOR LNDGS. WE BRIEFED LNDG RWY 8. FO WAS FLYING AND GOT BEHIND ON OUR DSCNT. I TRIED TO ALLOW HIM TO GO AS FAR AS I COULD BEFORE STARTING TO DIRECT HIS FLYING AND THEN FINALLY TAKING THE ACFT. HE WAS LOW TIME IN ACFT AND I AM LOW TIME (LESS THAN 100 HRS) IN L SEAT. IN THE RUSH TO CONFIGURE AND GET DOWN FOR THE LNDG, I ERRONEOUSLY REQUESTED TO LAND ON RWY 10 AND THEN PROCEEDED TO LAND ON RWY 8. AFTER LNDG, TWR ASKED US IF WE WANTED TO LAND ON RWY 8 AS WE HAD REQUESTED RWY 10. NO OTHER ACFT WERE OPERATING AT THE ARPT AND NO CONFLICT WAS RPTED FROM THE TWR. IN RETROSPECT I ALLOWED THE SIT TO GO TOO FAR BEFORE TAKING THE ACFT. FATIGUE WAS ALSO A FACTOR AS IT WAS THE END OF A 12 HR 55 MIN DUTY DAY. I HAD THE PRIOR LEG OPERATED FROM PDX WHICH HAS RWY 10 AS PRIMARY PARALLEL RWYS WHICH MAY HAVE STUCK IN MY TIRED MIND. SUPPLEMENTAL INFO FROM ACN 363984: CAPT REQUESTED RWY 10 DUE TO LNDG WT. APCH WAS A HIGH DROP-OFF FOR ILS. ACFT NEEDED TO DROP LNDG GEAR TO INCREASE DRAG AND SINK RATE. HIGH MINIMUMS CAPT TOOK CTL FOR LNDG AND FELT HE COULDN'T MAKE RWY 10, CONTINUED DSCNT, AND L TURN TO LAND ON RWY 8. TWR NOTIFIED AFTER LNDG. SO'S FIRST FLT TO SJS, FAILED TO BACK UP CAPT AND FO. TWR ADVISED AND SPOKE WITH CREW, AND CREW ADVISED BY TWR, NO FURTHER ACTION REQUIRED.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.