Narrative:

Departed ktrm on a planned flight to klas with 4 passenger. Both myself (PIC) in the left seat and sic are type rated (multi-crew) in the aircraft. I elected to fly this leg. Being unable to pick up our filed IFR clearance using the aircraft radio, we departed VFR. After takeoff, the sic was successful in contacting palm springs approach, and copied our clearance. We were surprised to receive victor airway routing after having filed jet airways. Having preprogramming the GPS with our filed routing, we then had to determine our new routing and reprogram the GPS. On this relatively short flight, this proved to be somewhat of a task. In my haste, I entered the cleared arrival, skber RNAV one, with the runway 1, both, not really knowing which runways would be in use. As we approached las vegas, the ATIS indicated that ILS 25L was in use. ATC issued an altitude assignment of 13000 ft and I studied the arrival to find that it contained a descent profile, in that we were to cross fixes at predetermined altitudes. Not having been given the profile, and told to maintain 13000 ft, I was left wondering why we had been given an assigned altitude. Having become fixated on this, I neglected to change the runway assignment. As we neared las vegas, we turned off the STAR for the expected runway, and were immediately issued vectors. ATC questioned us as to our unusual track and we were unsure as to why it had occurred. Due to my fixation with the descent profile and inadequate rechking of the routing we deviated from our cleared course.

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Original NASA ASRS Text

Title: C525 FLC BECOME DISTR WITH RWY CHANGE AT LAS AND ARE UNABLE TO COMPLETE FMS REPROGRAMMING PRIOR TO THE ACFT EFFECTING HDG CHANGE FROM PREVIOUS PROGRAMMED FLT PLAN RTE.

Narrative: DEPARTED KTRM ON A PLANNED FLT TO KLAS WITH 4 PAX. BOTH MYSELF (PIC) IN THE L SEAT AND SIC ARE TYPE RATED (MULTI-CREW) IN THE ACFT. I ELECTED TO FLY THIS LEG. BEING UNABLE TO PICK UP OUR FILED IFR CLRNC USING THE ACFT RADIO, WE DEPARTED VFR. AFTER TKOF, THE SIC WAS SUCCESSFUL IN CONTACTING PALM SPRINGS APCH, AND COPIED OUR CLRNC. WE WERE SURPRISED TO RECEIVE VICTOR AIRWAY ROUTING AFTER HAVING FILED JET AIRWAYS. HAVING PREPROGRAMMING THE GPS WITH OUR FILED ROUTING, WE THEN HAD TO DETERMINE OUR NEW ROUTING AND REPROGRAM THE GPS. ON THIS RELATIVELY SHORT FLT, THIS PROVED TO BE SOMEWHAT OF A TASK. IN MY HASTE, I ENTERED THE CLRED ARR, SKBER RNAV ONE, WITH THE RWY 1, BOTH, NOT REALLY KNOWING WHICH RWYS WOULD BE IN USE. AS WE APCHED LAS VEGAS, THE ATIS INDICATED THAT ILS 25L WAS IN USE. ATC ISSUED AN ALT ASSIGNMENT OF 13000 FT AND I STUDIED THE ARR TO FIND THAT IT CONTAINED A DESCENT PROFILE, IN THAT WE WERE TO CROSS FIXES AT PREDETERMINED ALTS. NOT HAVING BEEN GIVEN THE PROFILE, AND TOLD TO MAINTAIN 13000 FT, I WAS LEFT WONDERING WHY WE HAD BEEN GIVEN AN ASSIGNED ALT. HAVING BECOME FIXATED ON THIS, I NEGLECTED TO CHANGE THE RWY ASSIGNMENT. AS WE NEARED LAS VEGAS, WE TURNED OFF THE STAR FOR THE EXPECTED RWY, AND WERE IMMEDIATELY ISSUED VECTORS. ATC QUESTIONED US AS TO OUR UNUSUAL TRACK AND WE WERE UNSURE AS TO WHY IT HAD OCCURRED. DUE TO MY FIXATION WITH THE DSCNT PROFILE AND INADEQUATE RECHKING OF THE RTING WE DEVIATED FROM OUR CLRED COURSE.

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.