Narrative:

Runway 5 and 23 at clt crosses taxiway F. Taxiing south on taxiway east, I was completing the last few takeoff checklist items and thought runway 5 was some distance ahead when the first officer said 'that's runway 5.' I stopped short of the runway but my nose had gone over the hold short line. I called tower and told them I had crossed the line but was off the runway. They said if I was ready for takeoff it was not a problem I could go. I did not want to rush the checklist items so I asked to cross runway 5 and clear the area for traffic. Tower agreed. Subsequent takeoff normal. Lessons learned: 1) do not assume you know where you are -- verify it. 2) finish the checklist 'stopped' at the hold short. Good job by the first officer in recognizing a potential problem and calling it out. It saved me from possibly taxiing across an active runway.

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Original NASA ASRS Text

Title: FOKKER 100 ALMOST TAXIED ACROSS AN ACTIVE RWY. FO GAVE WARNING AND ACFT WAS STOPPED WITH NOSE PAST THE HOLD SHORT LINE. TWR THEN CLRED THEM ACROSS.

Narrative: RWY 5 AND 23 AT CLT CROSSES TXWY F. TAXIING S ON TXWY E, I WAS COMPLETING THE LAST FEW TKOF CHKLIST ITEMS AND THOUGHT RWY 5 WAS SOME DISTANCE AHEAD WHEN THE FO SAID 'THAT'S RWY 5.' I STOPPED SHORT OF THE RWY BUT MY NOSE HAD GONE OVER THE HOLD SHORT LINE. I CALLED TWR AND TOLD THEM I HAD CROSSED THE LINE BUT WAS OFF THE RWY. THEY SAID IF I WAS READY FOR TKOF IT WAS NOT A PROB I COULD GO. I DID NOT WANT TO RUSH THE CHKLIST ITEMS SO I ASKED TO CROSS RWY 5 AND CLR THE AREA FOR TFC. TWR AGREED. SUBSEQUENT TKOF NORMAL. LESSONS LEARNED: 1) DO NOT ASSUME YOU KNOW WHERE YOU ARE -- VERIFY IT. 2) FINISH THE CHKLIST 'STOPPED' AT THE HOLD SHORT. GOOD JOB BY THE FO IN RECOGNIZING A POTENTIAL PROB AND CALLING IT OUT. IT SAVED ME FROM POSSIBLY TAXIING ACROSS AN ACTIVE RWY.

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.