Narrative:

We were given taxi instructions 'taxi to runway 27 via taxiway B, taxiway K, taxiway C, taxiway D, hold short of runway 4R.' I wrote down the instructions and read them back verbatim. As we taxied, I started to read the taxi checklist, as requested by the captain. At 'takeoff briefing,' I commenced my briefing, which required me to look inside to set/verify thrust, flap, anti-ice, airspeed, altitude, heading bugs/FMS/course settings. At the completion of my briefing, I looked up and noticed that we had passed runway 4R on taxiway C. I told the captain that we should have stopped at runway 4R, and he acknowledged missing that part of the taxi instructions. I should have completed the bulk of the briefing at the gate. We had the time. Primarily, I should have insured that the captain and I both understood the clearance. Had I done that, we would have stopped in time. Nevertheless, when my head is down during taxiing, I will announce that 'I'm inside,' so that the captain knows he's the only one looking for traffic and taxiway markings.

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Original NASA ASRS Text

Title: RWY INCURSION WHEN A COMMUTER JET FLT CREW CROSSES THE ACTIVE RWY 4R WITHOUT CLRNC AT BOS, MA.

Narrative: WE WERE GIVEN TAXI INSTRUCTIONS 'TAXI TO RWY 27 VIA TXWY B, TXWY K, TXWY C, TXWY D, HOLD SHORT OF RWY 4R.' I WROTE DOWN THE INSTRUCTIONS AND READ THEM BACK VERBATIM. AS WE TAXIED, I STARTED TO READ THE TAXI CHKLIST, AS REQUESTED BY THE CAPT. AT 'TKOF BRIEFING,' I COMMENCED MY BRIEFING, WHICH REQUIRED ME TO LOOK INSIDE TO SET/VERIFY THRUST, FLAP, ANTI-ICE, AIRSPD, ALT, HDG BUGS/FMS/COURSE SETTINGS. AT THE COMPLETION OF MY BRIEFING, I LOOKED UP AND NOTICED THAT WE HAD PASSED RWY 4R ON TXWY C. I TOLD THE CAPT THAT WE SHOULD HAVE STOPPED AT RWY 4R, AND HE ACKNOWLEDGED MISSING THAT PART OF THE TAXI INSTRUCTIONS. I SHOULD HAVE COMPLETED THE BULK OF THE BRIEFING AT THE GATE. WE HAD THE TIME. PRIMARILY, I SHOULD HAVE INSURED THAT THE CAPT AND I BOTH UNDERSTOOD THE CLRNC. HAD I DONE THAT, WE WOULD HAVE STOPPED IN TIME. NEVERTHELESS, WHEN MY HEAD IS DOWN DURING TAXIING, I WILL ANNOUNCE THAT 'I'M INSIDE,' SO THAT THE CAPT KNOWS HE'S THE ONLY ONE LOOKING FOR TFC AND TXWY MARKINGS.

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.