Narrative:

I was cleared to taxi to runway 18 via the runway 9/27 parallel taxiway and turn onto taxiway C but hold short of crossing runway 9/27. I missed the turn onto taxiway C and continued straight and rolled over the runway 18/36 hold short line and almost taxied across runway 18/36 while another plane was on the takeoff roll on runway 18/36. Disaster was avoided when the ground controller screamed; 'aircraft X stop!' I slammed on the brakes on top of the hold short line and my nosewheel and mains had rolled over the hold short line. Ground requested that I do a 180 degree turn back onto taxiway C; which I was able to do. After a brief hold short at runway 9/27 on taxiway C; ground cleared me across for the continuation of taxi down to runway 18. Extenuating factors include: first flight with new high quality headphones. Everything sounded different. The engine sounded different; the radios were louder; and the gel ear seals fit different. This may appear to be an insignificant factor; but it was initially very distracting. Tunnel vision. Somehow when I looked up; I locked onto runway 18/36 thinking it was the taxiway for runway 18/36 and focused my vision on it; excluding peripheral vision clues that I was rolling past taxiway C. I thought runway 18/36 was taxiway C; despite the fact that the airport has proper signage. My hangar is at the east end of the airport very close to runway 27. I actually depart runway 27 most of the time -- nearly all the time. The airport has just recently completed resurfacing and renaming the txwys in the incident area. I did not realize how unfamiliar I was with how to get down to runway 18! I was late. I was supposed to meet some other people at the destination airport and I was late due to a mix-up in understanding the time. This was a pressure factor that was clouding my concentration. I had recently been subjected to an unpleasant situation at work and I kept trying to push that to the back of my mind; but it kept popping up as a distraction. So all-in-all; there was a long list of distrs and pressures when taken one at a time were actually not too overwhelming; but added together caused an overload of distrs. When things started to overload my judgement; I did not get ahead of the situation to control it.

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Original NASA ASRS Text

Title: DISTR BY A VARIETY OF THINGS RELATED TO BOTH ACFT OP AND PERSONAL; PLT OF AA5 CROSSES HOLD SHORT LINE OF ACTIVE RWY. ALERT LCL CTLR INTERCEDES AND AVOIDS CONFLICT WITH DEP ACFT.

Narrative: I WAS CLRED TO TAXI TO RWY 18 VIA THE RWY 9/27 PARALLEL TXWY AND TURN ONTO TXWY C BUT HOLD SHORT OF XING RWY 9/27. I MISSED THE TURN ONTO TXWY C AND CONTINUED STRAIGHT AND ROLLED OVER THE RWY 18/36 HOLD SHORT LINE AND ALMOST TAXIED ACROSS RWY 18/36 WHILE ANOTHER PLANE WAS ON THE TKOF ROLL ON RWY 18/36. DISASTER WAS AVOIDED WHEN THE GND CTLR SCREAMED; 'ACFT X STOP!' I SLAMMED ON THE BRAKES ON TOP OF THE HOLD SHORT LINE AND MY NOSEWHEEL AND MAINS HAD ROLLED OVER THE HOLD SHORT LINE. GND REQUESTED THAT I DO A 180 DEG TURN BACK ONTO TXWY C; WHICH I WAS ABLE TO DO. AFTER A BRIEF HOLD SHORT AT RWY 9/27 ON TXWY C; GND CLRED ME ACROSS FOR THE CONTINUATION OF TAXI DOWN TO RWY 18. EXTENUATING FACTORS INCLUDE: FIRST FLT WITH NEW HIGH QUALITY HEADPHONES. EVERYTHING SOUNDED DIFFERENT. THE ENG SOUNDED DIFFERENT; THE RADIOS WERE LOUDER; AND THE GEL EAR SEALS FIT DIFFERENT. THIS MAY APPEAR TO BE AN INSIGNIFICANT FACTOR; BUT IT WAS INITIALLY VERY DISTRACTING. TUNNEL VISION. SOMEHOW WHEN I LOOKED UP; I LOCKED ONTO RWY 18/36 THINKING IT WAS THE TXWY FOR RWY 18/36 AND FOCUSED MY VISION ON IT; EXCLUDING PERIPHERAL VISION CLUES THAT I WAS ROLLING PAST TXWY C. I THOUGHT RWY 18/36 WAS TXWY C; DESPITE THE FACT THAT THE ARPT HAS PROPER SIGNAGE. MY HANGAR IS AT THE E END OF THE ARPT VERY CLOSE TO RWY 27. I ACTUALLY DEPART RWY 27 MOST OF THE TIME -- NEARLY ALL THE TIME. THE ARPT HAS JUST RECENTLY COMPLETED RESURFACING AND RENAMING THE TXWYS IN THE INCIDENT AREA. I DID NOT REALIZE HOW UNFAMILIAR I WAS WITH HOW TO GET DOWN TO RWY 18! I WAS LATE. I WAS SUPPOSED TO MEET SOME OTHER PEOPLE AT THE DEST ARPT AND I WAS LATE DUE TO A MIX-UP IN UNDERSTANDING THE TIME. THIS WAS A PRESSURE FACTOR THAT WAS CLOUDING MY CONCENTRATION. I HAD RECENTLY BEEN SUBJECTED TO AN UNPLEASANT SITUATION AT WORK AND I KEPT TRYING TO PUSH THAT TO THE BACK OF MY MIND; BUT IT KEPT POPPING UP AS A DISTR. SO ALL-IN-ALL; THERE WAS A LONG LIST OF DISTRS AND PRESSURES WHEN TAKEN ONE AT A TIME WERE ACTUALLY NOT TOO OVERWHELMING; BUT ADDED TOGETHER CAUSED AN OVERLOAD OF DISTRS. WHEN THINGS STARTED TO OVERLOAD MY JUDGEMENT; I DID NOT GET AHEAD OF THE SITUATION TO CTL IT.

Data retrieved from NASA's ASRS site as of January 2009 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.