Narrative:

Captain programmed FMC for runway 16R/narita reversal 8 with xchk by first officer. On takeoff with LNAV selected aircraft directed left turn to join 156 degree radial of hke versus 156 degree radial of nrt. In turn first officer questioned directions ordered by flight director and stopped turn, the continued when needles showed an intercept to the 156 degree radial. Tower queried flight path, flight crew reported on the 156 degree radial. Tower confirmed 'narita 156 degree radial, roger,' which prompted cockpit discussion and discovery of hke autotuned versus nrt. Reported to tower that aircraft was in fact on the hke 156 degree radial, tower rogered transmission and issued a right turn to heading, and then continued with vectors to on course en route singapore. A frequency change to departure control was given and the rest of the flight was uneventful. There have been reports of the FMC dumping information on this particular departure (word of mouth only for me, no documentation seen) but no mention of the aircraft switching departures. The hke 156 degree radial is the departure track for runway 16L at nrt, but runway 16R was selected in the FMC. No human factors were evident. The xchk of the runway and departure are done after, not during, the loading process. It was, however, the first time flying to narita and singapore for both the first officer and the captain, and this was an unaugmented flight leg. Callback conversation with reporter revealed the following information: reporter advises that this database software anomaly has been recognized by his carrier and that bulletins have been posted to specifically verify the proper runway and track. If the incorrect data is displayed they are advised to utilize raw data information and heading select mode to fly the correct departure path.

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Original NASA ASRS Text

Title: FLT CREW OF B777 PROGRAMMED FMC FOR A NARITA 8 REVERSAL DEP OFF RWY 16R AT RJAA. FAILED TO NOTICE THAT THE NAV DISPLAY PAGE SHOWED THE PROPER DEP NAME, BUT OFF RWY 16L WHICH UTILIZES A DIFFERENT DEP TRACK IMMEDIATELY AFTER TKOF. ATTEMPTED TO FLY THE WRONG TRACK UNTIL ALERTED BY LCL CTLR.

Narrative: CAPT PROGRAMMED FMC FOR RWY 16R/NARITA REVERSAL 8 WITH XCHK BY FO. ON TKOF WITH LNAV SELECTED ACFT DIRECTED L TURN TO JOIN 156 DEG RADIAL OF HKE VERSUS 156 DEG RADIAL OF NRT. IN TURN FO QUESTIONED DIRECTIONS ORDERED BY FLT DIRECTOR AND STOPPED TURN, THE CONTINUED WHEN NEEDLES SHOWED AN INTERCEPT TO THE 156 DEG RADIAL. TWR QUERIED FLT PATH, FLT CREW RPTED ON THE 156 DEG RADIAL. TWR CONFIRMED 'NARITA 156 DEG RADIAL, ROGER,' WHICH PROMPTED COCKPIT DISCUSSION AND DISCOVERY OF HKE AUTOTUNED VERSUS NRT. RPTED TO TWR THAT ACFT WAS IN FACT ON THE HKE 156 DEG RADIAL, TWR ROGERED XMISSION AND ISSUED A R TURN TO HEADING, AND THEN CONTINUED WITH VECTORS TO ON COURSE ENRTE SINGAPORE. A FREQ CHANGE TO DEP CTL WAS GIVEN AND THE REST OF THE FLT WAS UNEVENTFUL. THERE HAVE BEEN RPTS OF THE FMC DUMPING INFO ON THIS PARTICULAR DEP (WORD OF MOUTH ONLY FOR ME, NO DOCUMENTATION SEEN) BUT NO MENTION OF THE ACFT SWITCHING DEPS. THE HKE 156 DEG RADIAL IS THE DEP TRACK FOR RWY 16L AT NRT, BUT RWY 16R WAS SELECTED IN THE FMC. NO HUMAN FACTORS WERE EVIDENT. THE XCHK OF THE RWY AND DEP ARE DONE AFTER, NOT DURING, THE LOADING PROCESS. IT WAS, HOWEVER, THE FIRST TIME FLYING TO NARITA AND SINGAPORE FOR BOTH THE FO AND THE CAPT, AND THIS WAS AN UNAUGMENTED FLT LEG. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR ADVISES THAT THIS DATABASE SOFTWARE ANOMALY HAS BEEN RECOGNIZED BY HIS CARRIER AND THAT BULLETINS HAVE BEEN POSTED TO SPECIFICALLY VERIFY THE PROPER RWY AND TRACK. IF THE INCORRECT DATA IS DISPLAYED THEY ARE ADVISED TO UTILIZE RAW DATA INFO AND HEADING SELECT MODE TO FLY THE CORRECT DEP PATH.

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.