Narrative:

Before beginning taxi, bos ground advised of wind conditions and requested air carrier X intentions for takeoff. (ATIS was reporting runway 31L for landing and runway 27 for takeoff, with winds of 300 degrees at 20 KTS gusting to 26.) because I was administering an IOE flight with a low time first officer, I requested runway 31L for takeoff. We were given taxi instructions to runway 31L, 'via taxiway a to C, hold short of runway 27.' when we arrived at the hold short point, ground cleared us to 'cross runway 31.' we then read back 'roger, cleared to cross runway 27 (emphasis on runway 27), and continue taxi.' ground controller acknowledged correction. About the time our aircraft began to move I noticed that the A-300 Y that had been holding in position on runway 27 appeared to be moving. I immediately pulled off power and applied strong braking. We stopped short of hold short line for runway 27, so we never actually strayed onto runway 27. Y rotated in front of us. I described what had occurred to the ground controller, and without missing a beat he simply said 'roger.' this reaction would not seem to be the appropriate response given the potential devastating accident that could have taken place.

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Original NASA ASRS Text

Title: ACR X RWY INCURSION HAD LTSS FROM ACR Y TKOF. SYS ERROR.

Narrative: BEFORE BEGINNING TAXI, BOS GND ADVISED OF WIND CONDITIONS AND REQUESTED ACR X INTENTIONS FOR TKOF. (ATIS WAS RPTING RWY 31L FOR LNDG AND RWY 27 FOR TKOF, WITH WINDS OF 300 DEGS AT 20 KTS GUSTING TO 26.) BECAUSE I WAS ADMINISTERING AN IOE FLT WITH A LOW TIME FO, I REQUESTED RWY 31L FOR TKOF. WE WERE GIVEN TAXI INSTRUCTIONS TO RWY 31L, 'VIA TXWY A TO C, HOLD SHORT OF RWY 27.' WHEN WE ARRIVED AT THE HOLD SHORT POINT, GND CLRED US TO 'CROSS RWY 31.' WE THEN READ BACK 'ROGER, CLRED TO CROSS RWY 27 (EMPHASIS ON RWY 27), AND CONTINUE TAXI.' GND CTLR ACKNOWLEDGED CORRECTION. ABOUT THE TIME OUR ACFT BEGAN TO MOVE I NOTICED THAT THE A-300 Y THAT HAD BEEN HOLDING IN POS ON RWY 27 APPEARED TO BE MOVING. I IMMEDIATELY PULLED OFF PWR AND APPLIED STRONG BRAKING. WE STOPPED SHORT OF HOLD SHORT LINE FOR RWY 27, SO WE NEVER ACTUALLY STRAYED ONTO RWY 27. Y ROTATED IN FRONT OF US. I DESCRIBED WHAT HAD OCCURRED TO THE GND CTLR, AND WITHOUT MISSING A BEAT HE SIMPLY SAID 'ROGER.' THIS REACTION WOULD NOT SEEM TO BE THE APPROPRIATE RESPONSE GIVEN THE POTENTIAL DEVASTATING ACCIDENT THAT COULD HAVE TAKEN PLACE.

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.