Narrative:

At XC30, we received clearance to taxi from our ramp at redmond, or (rdm) to runway 4 and hold short on taxiway H. As I began to taxi, another air carrier aircraft (a brasilia) was also waiting to taxi with its engines running and their marshaler standing in front of the aircraft. As we started to taxi, I was paying special attention to the air carrier's marshaler, to make sure we were clear of them because her back was turned to us as we were beginning to move. The clearance we received was to taxi to runway 4 and hold short at taxiway H. We would then receive our squawk. But as I was distraction by the other marshaler, I thought that I heard that we could go onto runway 4 and back-taxi and hold. If I'm unsure of something, I ask for clarification. But in my mind, I was sure that was what I was supposed to do. My first officer had just finished with the before takeoff checklist just as I had crossed the hold line. The first officer said to wait. I then stopped, but I was in between the hold line and the runway. At this time, the tower saw what happened and immediately cleared us onto the runway and to back-taxi into position and hold. As we back-taxied, we then received our transponder code and we were cleared for takeoff. Fortunately, there was no other traffic on the runway or in the air because it was so early in the morning. At least I was lucky in the fact that I didn't actually go onto the runway itself. I think part of the reason that I messed up was because we had gotten up at XA30 to start our day and I was used to the swing shift, so to speak. Our schedules have early shows mixed with late shows, so I might have been a little groggy without really knowing it. Also, my distraction with the other aircraft and the safety of their marshaler distraction me when I should have been paying closer attention to the instructions from the controller, which would be easy to do because our marshaler was guiding us and there is enough clearance between us and the other aircraft's marshaler.

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Original NASA ASRS Text

Title: DHC-8 CAPT FORGOT TO HOLD SHORT PER TAXI INSTRUCTION AND WAS SUBSEQUENTLY CLRED ONTO RWY FOR BACK-TAXI AND TKOF.

Narrative: AT XC30, WE RECEIVED CLRNC TO TAXI FROM OUR RAMP AT REDMOND, OR (RDM) TO RWY 4 AND HOLD SHORT ON TXWY H. AS I BEGAN TO TAXI, ANOTHER ACR ACFT (A BRASILIA) WAS ALSO WAITING TO TAXI WITH ITS ENGS RUNNING AND THEIR MARSHALER STANDING IN FRONT OF THE ACFT. AS WE STARTED TO TAXI, I WAS PAYING SPECIAL ATTN TO THE ACR'S MARSHALER, TO MAKE SURE WE WERE CLR OF THEM BECAUSE HER BACK WAS TURNED TO US AS WE WERE BEGINNING TO MOVE. THE CLRNC WE RECEIVED WAS TO TAXI TO RWY 4 AND HOLD SHORT AT TXWY H. WE WOULD THEN RECEIVE OUR SQUAWK. BUT AS I WAS DISTR BY THE OTHER MARSHALER, I THOUGHT THAT I HEARD THAT WE COULD GO ONTO RWY 4 AND BACK-TAXI AND HOLD. IF I'M UNSURE OF SOMETHING, I ASK FOR CLARIFICATION. BUT IN MY MIND, I WAS SURE THAT WAS WHAT I WAS SUPPOSED TO DO. MY FO HAD JUST FINISHED WITH THE BEFORE TKOF CHKLIST JUST AS I HAD CROSSED THE HOLD LINE. THE FO SAID TO WAIT. I THEN STOPPED, BUT I WAS IN BTWN THE HOLD LINE AND THE RWY. AT THIS TIME, THE TWR SAW WHAT HAPPENED AND IMMEDIATELY CLRED US ONTO THE RWY AND TO BACK-TAXI INTO POS AND HOLD. AS WE BACK-TAXIED, WE THEN RECEIVED OUR XPONDER CODE AND WE WERE CLRED FOR TKOF. FORTUNATELY, THERE WAS NO OTHER TFC ON THE RWY OR IN THE AIR BECAUSE IT WAS SO EARLY IN THE MORNING. AT LEAST I WAS LUCKY IN THE FACT THAT I DIDN'T ACTUALLY GO ONTO THE RWY ITSELF. I THINK PART OF THE REASON THAT I MESSED UP WAS BECAUSE WE HAD GOTTEN UP AT XA30 TO START OUR DAY AND I WAS USED TO THE SWING SHIFT, SO TO SPEAK. OUR SCHEDULES HAVE EARLY SHOWS MIXED WITH LATE SHOWS, SO I MIGHT HAVE BEEN A LITTLE GROGGY WITHOUT REALLY KNOWING IT. ALSO, MY DISTR WITH THE OTHER ACFT AND THE SAFETY OF THEIR MARSHALER DISTR ME WHEN I SHOULD HAVE BEEN PAYING CLOSER ATTN TO THE INSTRUCTIONS FROM THE CTLR, WHICH WOULD BE EASY TO DO BECAUSE OUR MARSHALER WAS GUIDING US AND THERE IS ENOUGH CLRNC BTWN US AND THE OTHER ACFT'S MARSHALER.

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.