Narrative:

On apr/fri/95, I was taxiing my aircraft from one location at fll to the other side of airport for maintenance. I notified ground control and requested taxi instructions for my aircraft. In this initial call, I notified ground control that I was not familiar with the airport and was requesting a progressive to assist me across the airport. Ground called back and instructed me to cross runway 13 and to hold short of runway 9L at taxiway D. I read this back and asked for assistance in my initial movement. I was instructed to turn right out of the ramp then make a left. I checked my airport diagram (government charts) and looked for runway 13. I concluded that runway 13 was the nearest one to me and taxied out of the ramp area. I turned left to cross the runway and proceeded to taxi to the other side, looking for the hold markings for runway 9L. After I had crossed, ground informed me I had crossed the active and had forced an airliner to go around. At no time did I realize that I had crossed an active runway. My mistake had been placing myself on the wrong ramp area on the chart. This put me next to runway 13 and the controller's initial call telling me to cross runway 13 and hold short of runway 9L left me with the idea that all was normal. My unfamiliarity of the field, putting my position on the wrong ramp area, was the main cause of this action. I also was too dependent on the ground controller, relying for timely instructions during the event. Also, the airport diagram was not detailed to the degree necessary, in that txwys are not clearly defined. I am also used to having a crew during operations. While one is flying, the other is checking charts and radio, in this case, following the airport diagram. I was trying to taxi and read the chart at the same time, again, expecting a progressive from ground. I should have been much more diligent in my actions.

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Original NASA ASRS Text

Title: UNAUTH RWY XING. A DISORIENTED PLT UNFAMILIAR WITH THE ARPT CROSSES THE ACTIVE RWY AND CAUSES AN ACR TO GAR. RWY INCURSION.

Narrative: ON APR/FRI/95, I WAS TAXIING MY ACFT FROM ONE LOCATION AT FLL TO THE OTHER SIDE OF ARPT FOR MAINT. I NOTIFIED GND CTL AND REQUESTED TAXI INSTRUCTIONS FOR MY ACFT. IN THIS INITIAL CALL, I NOTIFIED GND CTL THAT I WAS NOT FAMILIAR WITH THE ARPT AND WAS REQUESTING A PROGRESSIVE TO ASSIST ME ACROSS THE ARPT. GND CALLED BACK AND INSTRUCTED ME TO CROSS RWY 13 AND TO HOLD SHORT OF RWY 9L AT TXWY D. I READ THIS BACK AND ASKED FOR ASSISTANCE IN MY INITIAL MOVEMENT. I WAS INSTRUCTED TO TURN R OUT OF THE RAMP THEN MAKE A L. I CHKED MY ARPT DIAGRAM (GOV CHARTS) AND LOOKED FOR RWY 13. I CONCLUDED THAT RWY 13 WAS THE NEAREST ONE TO ME AND TAXIED OUT OF THE RAMP AREA. I TURNED L TO CROSS THE RWY AND PROCEEDED TO TAXI TO THE OTHER SIDE, LOOKING FOR THE HOLD MARKINGS FOR RWY 9L. AFTER I HAD CROSSED, GND INFORMED ME I HAD CROSSED THE ACTIVE AND HAD FORCED AN AIRLINER TO GAR. AT NO TIME DID I REALIZE THAT I HAD CROSSED AN ACTIVE RWY. MY MISTAKE HAD BEEN PLACING MYSELF ON THE WRONG RAMP AREA ON THE CHART. THIS PUT ME NEXT TO RWY 13 AND THE CTLR'S INITIAL CALL TELLING ME TO CROSS RWY 13 AND HOLD SHORT OF RWY 9L LEFT ME WITH THE IDEA THAT ALL WAS NORMAL. MY UNFAMILIARITY OF THE FIELD, PUTTING MY POS ON THE WRONG RAMP AREA, WAS THE MAIN CAUSE OF THIS ACTION. I ALSO WAS TOO DEPENDENT ON THE GND CTLR, RELYING FOR TIMELY INSTRUCTIONS DURING THE EVENT. ALSO, THE ARPT DIAGRAM WAS NOT DETAILED TO THE DEG NECESSARY, IN THAT TXWYS ARE NOT CLRLY DEFINED. I AM ALSO USED TO HAVING A CREW DURING OPS. WHILE ONE IS FLYING, THE OTHER IS CHKING CHARTS AND RADIO, IN THIS CASE, FOLLOWING THE ARPT DIAGRAM. I WAS TRYING TO TAXI AND READ THE CHART AT THE SAME TIME, AGAIN, EXPECTING A PROGRESSIVE FROM GND. I SHOULD HAVE BEEN MUCH MORE DILIGENT IN MY ACTIONS.

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.