Narrative:

Navigation error, RNAV. New trip with a new (to me) first officer, first leg of the first day. We both arrived at the originating aircraft earlier than required. After completing the crew briefing and the before start originating checklist, I did my usual checking of the route in the FMC. On the route page, the proper data had been inserted by the first officer -- bty.TRAGR2.25L. I did not check each leg as I should have. Also, I failed to read the entire company NOTAMS completely. Had I done so, I would have seen the NOTAM about the FMC incomplete rtes into las. Long story short, after reaching the tragr fix on the arrival, the FMC (as it had been programmed to do) naved to shand on the final for runway 25L. The controller was nice and asked us if we were going direct to shand. That is when I first noticed our navigation error. Visually, I should have noticed our other than the normal track and certainly should have consulted the legs of progress page. This was the typical late to get the ATIS into las from this direction due to the low altitudes that ATC has us fly. Much of the time we cannot get the ATIS until late into the arrival so the PNF must be off the radio at poor times instead of being able to back up the PF. Having flown into las numerous times and knowing the desired ground track, I use this information to back up the FMC -- except today, I got lax and failed to ensure the proper fixes on each leg of the RNAV arrival. Also, had I fully read the company NOTAM, I would have been alerted to the FMC data error. On that note, with our quick turns and familiarity with many of the stations, it is easy to gloss over the numerous NOTAMS we receive each leg. Just look at las and phx for instance. Phx we usually get 2-3 pages of luke NOTAMS in the paperwork. There are no excuses for my failure to ensure that we were properly navigating. As a recommendation, I would like to see non pertinent NOTAMS excluded, and only important ones included in the paperwork. Perhaps an rbf would have caught my attention as well. ATC said that we were the second aircraft in 30 mins to do the exact same thing. I mentioned this to the crew that took over our aircraft (check airman) and they said the same happened to them on a different arrival today. I guess it was not only us that missed the NOTAM.

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Original NASA ASRS Text

Title: A COURSE DEV ON THE TRAGR RNAV 2 ARR TO LAS, NV.

Narrative: NAV ERROR, RNAV. NEW TRIP WITH A NEW (TO ME) FO, FIRST LEG OF THE FIRST DAY. WE BOTH ARRIVED AT THE ORIGINATING ACFT EARLIER THAN REQUIRED. AFTER COMPLETING THE CREW BRIEFING AND THE BEFORE START ORIGINATING CHKLIST, I DID MY USUAL CHKING OF THE RTE IN THE FMC. ON THE RTE PAGE, THE PROPER DATA HAD BEEN INSERTED BY THE FO -- BTY.TRAGR2.25L. I DID NOT CHK EACH LEG AS I SHOULD HAVE. ALSO, I FAILED TO READ THE ENTIRE COMPANY NOTAMS COMPLETELY. HAD I DONE SO, I WOULD HAVE SEEN THE NOTAM ABOUT THE FMC INCOMPLETE RTES INTO LAS. LONG STORY SHORT, AFTER REACHING THE TRAGR FIX ON THE ARR, THE FMC (AS IT HAD BEEN PROGRAMMED TO DO) NAVED TO SHAND ON THE FINAL FOR RWY 25L. THE CTLR WAS NICE AND ASKED US IF WE WERE GOING DIRECT TO SHAND. THAT IS WHEN I FIRST NOTICED OUR NAV ERROR. VISUALLY, I SHOULD HAVE NOTICED OUR OTHER THAN THE NORMAL TRACK AND CERTAINLY SHOULD HAVE CONSULTED THE LEGS OF PROGRESS PAGE. THIS WAS THE TYPICAL LATE TO GET THE ATIS INTO LAS FROM THIS DIRECTION DUE TO THE LOW ALTS THAT ATC HAS US FLY. MUCH OF THE TIME WE CANNOT GET THE ATIS UNTIL LATE INTO THE ARR SO THE PNF MUST BE OFF THE RADIO AT POOR TIMES INSTEAD OF BEING ABLE TO BACK UP THE PF. HAVING FLOWN INTO LAS NUMEROUS TIMES AND KNOWING THE DESIRED GND TRACK, I USE THIS INFO TO BACK UP THE FMC -- EXCEPT TODAY, I GOT LAX AND FAILED TO ENSURE THE PROPER FIXES ON EACH LEG OF THE RNAV ARR. ALSO, HAD I FULLY READ THE COMPANY NOTAM, I WOULD HAVE BEEN ALERTED TO THE FMC DATA ERROR. ON THAT NOTE, WITH OUR QUICK TURNS AND FAMILIARITY WITH MANY OF THE STATIONS, IT IS EASY TO GLOSS OVER THE NUMEROUS NOTAMS WE RECEIVE EACH LEG. JUST LOOK AT LAS AND PHX FOR INSTANCE. PHX WE USUALLY GET 2-3 PAGES OF LUKE NOTAMS IN THE PAPERWORK. THERE ARE NO EXCUSES FOR MY FAILURE TO ENSURE THAT WE WERE PROPERLY NAVING. AS A RECOMMENDATION, I WOULD LIKE TO SEE NON PERTINENT NOTAMS EXCLUDED, AND ONLY IMPORTANT ONES INCLUDED IN THE PAPERWORK. PERHAPS AN RBF WOULD HAVE CAUGHT MY ATTN AS WELL. ATC SAID THAT WE WERE THE SECOND ACFT IN 30 MINS TO DO THE EXACT SAME THING. I MENTIONED THIS TO THE CREW THAT TOOK OVER OUR ACFT (CHK AIRMAN) AND THEY SAID THE SAME HAPPENED TO THEM ON A DIFFERENT ARR TODAY. I GUESS IT WAS NOT ONLY US THAT MISSED THE NOTAM.

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.