Narrative:

Taxiing from ramp to runway 33L at logan. I was first officer and was following taxi route on airport diagram as was the captain. We were cleared to cross the runway 22's (runways 22L and 22R) and hold short of runway 27 on taxiway C. As we progressed we were then cleared to cross runway 27 and taxi to runway 33L. The WX was clear and the radio traffic quiet. I repeated to the captain cleared to cross runway 27. I looked down to verify the departure frequency, which was not given in the clearance. I looked up as we turned off taxiway 'C' and onto taxiway 'D', which diverge at a 45 degree angle. I had enough time to state 'go that way' when we veered left on taxiway 'D' and crossed runway 33L, not runway 27. The captain still did not realize his mistake until I called ground to verify we made a wrong turn. The controller acknowledged our error and taxied us back to runway 33L. Contributing factors: unfamiliarity with the airport, departure frequency not given in clearance, taxiway signs at intersection of txwys diverging at 45 degree angle, complacency on quiet/clear day, fast taxi speed (the captain thought he knew where he was going, I could not have stopped the aircraft if I had reacted by applying brakes). Corrective action: better taxiway markings, departure control frequency with clearance, more cautious taxi speeds.

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Original NASA ASRS Text

Title: AN ACR DC9 FLC TAXIING AT HIGH SPD ON AN UNFAMILIAR ARPT WITH CONFUSING TXWY MARKINGS HAS A RWY INCURSION.

Narrative: TAXIING FROM RAMP TO RWY 33L AT LOGAN. I WAS FO AND WAS FOLLOWING TAXI RTE ON ARPT DIAGRAM AS WAS THE CAPT. WE WERE CLRED TO CROSS THE RWY 22'S (RWYS 22L AND 22R) AND HOLD SHORT OF RWY 27 ON TXWY C. AS WE PROGRESSED WE WERE THEN CLRED TO CROSS RWY 27 AND TAXI TO RWY 33L. THE WX WAS CLR AND THE RADIO TFC QUIET. I REPEATED TO THE CAPT CLRED TO CROSS RWY 27. I LOOKED DOWN TO VERIFY THE DEP FREQ, WHICH WAS NOT GIVEN IN THE CLRNC. I LOOKED UP AS WE TURNED OFF TXWY 'C' AND ONTO TXWY 'D', WHICH DIVERGE AT A 45 DEG ANGLE. I HAD ENOUGH TIME TO STATE 'GO THAT WAY' WHEN WE VEERED L ON TXWY 'D' AND CROSSED RWY 33L, NOT RWY 27. THE CAPT STILL DID NOT REALIZE HIS MISTAKE UNTIL I CALLED GND TO VERIFY WE MADE A WRONG TURN. THE CTLR ACKNOWLEDGED OUR ERROR AND TAXIED US BACK TO RWY 33L. CONTRIBUTING FACTORS: UNFAMILIARITY WITH THE ARPT, DEP FREQ NOT GIVEN IN CLRNC, TXWY SIGNS AT INTXN OF TXWYS DIVERGING AT 45 DEG ANGLE, COMPLACENCY ON QUIET/CLR DAY, FAST TAXI SPD (THE CAPT THOUGHT HE KNEW WHERE HE WAS GOING, I COULD NOT HAVE STOPPED THE ACFT IF I HAD REACTED BY APPLYING BRAKES). CORRECTIVE ACTION: BETTER TXWY MARKINGS, DEP CTL FREQ WITH CLRNC, MORE CAUTIOUS TAXI SPDS.

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.