Narrative:

Location: tpa. We were cleared to taxi to runway 36R via taxiway J, hold short of runway 9. I read it back and soon was able to see a long line of aircraft waiting for the WX to clear at runway 36R. I incorrectly assumed they were holding short of runway 9/27 and proceeded with the checklist. We were approaching the line of aircraft as the captain asked if we were cleared to cross. About the same time I realized we were just across runway 9/27. Obviously, I was not paying enough attention to our position. Ground control and tower said nothing. We were on the ground about another 40 mins before taking off. This was something I thought I could never do -- but boy was I wrong. In the future, I am determined to ascertain my location on the airfield more frequently -- particularly at an unfamiliar airport. Supplemental information from acn 439453: first officer read back clearance. Normally, I listen to first officer readback, then repeat it myself. Did not repeat it this time. Saw long line of northbound aircraft waiting for WX to clear. In a twinkling, my clearance limit became the tail of the last airplane -- forgetting the hold short. Turning onto taxiway C, I was well onto runway 9 before confirming with first officer that we were cleared to cross. Again, something I normally do but failed to do this day. First officer said no, but I chose to cross instead of stopping on runway. Neither ground nor tower said anything. Solutions: continue to listen and repeat all taxi and hold short instructions. Confirm all runway xings with first officer. Study airport diagram and be familiar with all runway locations.

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Original NASA ASRS Text

Title: AN S80 FLC CROSSES RWY 9 AT TPA WITHOUT THE BLESSING OF ATC.

Narrative: LOCATION: TPA. WE WERE CLRED TO TAXI TO RWY 36R VIA TXWY J, HOLD SHORT OF RWY 9. I READ IT BACK AND SOON WAS ABLE TO SEE A LONG LINE OF ACFT WAITING FOR THE WX TO CLR AT RWY 36R. I INCORRECTLY ASSUMED THEY WERE HOLDING SHORT OF RWY 9/27 AND PROCEEDED WITH THE CHKLIST. WE WERE APCHING THE LINE OF ACFT AS THE CAPT ASKED IF WE WERE CLRED TO CROSS. ABOUT THE SAME TIME I REALIZED WE WERE JUST ACROSS RWY 9/27. OBVIOUSLY, I WAS NOT PAYING ENOUGH ATTN TO OUR POS. GND CTL AND TWR SAID NOTHING. WE WERE ON THE GND ABOUT ANOTHER 40 MINS BEFORE TAKING OFF. THIS WAS SOMETHING I THOUGHT I COULD NEVER DO -- BUT BOY WAS I WRONG. IN THE FUTURE, I AM DETERMINED TO ASCERTAIN MY LOCATION ON THE AIRFIELD MORE FREQUENTLY -- PARTICULARLY AT AN UNFAMILIAR ARPT. SUPPLEMENTAL INFO FROM ACN 439453: FO READ BACK CLRNC. NORMALLY, I LISTEN TO FO READBACK, THEN REPEAT IT MYSELF. DID NOT REPEAT IT THIS TIME. SAW LONG LINE OF NBOUND ACFT WAITING FOR WX TO CLR. IN A TWINKLING, MY CLRNC LIMIT BECAME THE TAIL OF THE LAST AIRPLANE -- FORGETTING THE HOLD SHORT. TURNING ONTO TXWY C, I WAS WELL ONTO RWY 9 BEFORE CONFIRMING WITH FO THAT WE WERE CLRED TO CROSS. AGAIN, SOMETHING I NORMALLY DO BUT FAILED TO DO THIS DAY. FO SAID NO, BUT I CHOSE TO CROSS INSTEAD OF STOPPING ON RWY. NEITHER GND NOR TWR SAID ANYTHING. SOLUTIONS: CONTINUE TO LISTEN AND REPEAT ALL TAXI AND HOLD SHORT INSTRUCTIONS. CONFIRM ALL RWY XINGS WITH FO. STUDY ARPT DIAGRAM AND BE FAMILIAR WITH ALL RWY LOCATIONS.

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.