Narrative:

On the sinca 3 arrival into atl, we were given a crossing restr to cross 20 NM north of dublin at 12000 ft. The first officer, who was a new captain receiving IOE, was flying and acknowledged the clearance since the captain/instructor was briefing passenger. The first officer relayed the clearance to the captain, and began a descent. At approximately 25 NM north of dublin at 14700 ft, the center controller asked us to say our DME from dublin, and we then realized our error. We told him our distance, and he informed us that we had violated the restr. We apologized. I think what contributed to our mistake was that I, the first officer, failed to write down the clearance when it was received, which then allowed our memories to fail us. On the arrival, I forgot about the restr, and began navigating off of atl VOR prematurely, causing me to lose track of my distance from dublin. The training environment is in itself an unusual operation full of distrs and unfamiliarity. This was the last leg home after a 2-DAY trip, and complacency was also a factor. I will from now on always make a habit of copying down clrncs -- especially for crossing restrs, or any other clearance which must be complied with in the future of the flight.

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Original NASA ASRS Text

Title: FO OF AN EMBRAER EMB120 (E120) FAILED TO DSND IN TIMELY RATE TO MAKE DSCNT ASSIGNED ALT XING RESTR. FO WAS INFORMED PRIOR TO THE RESTR, BUT DID NOT START A SUFFICIENT RATE OF DSCNT TO ASSURE MEETING THE XING RESTR. THE CAPT, WHO WAS GIVING THE FO AN IOE AND DISTR BY OTHER TASKS, HAD NOT MONITORED THE RESTR STATUS.

Narrative: ON THE SINCA 3 ARR INTO ATL, WE WERE GIVEN A XING RESTR TO CROSS 20 NM N OF DUBLIN AT 12000 FT. THE FO, WHO WAS A NEW CAPT RECEIVING IOE, WAS FLYING AND ACKNOWLEDGED THE CLRNC SINCE THE CAPT/INSTRUCTOR WAS BRIEFING PAX. THE FO RELAYED THE CLRNC TO THE CAPT, AND BEGAN A DSCNT. AT APPROX 25 NM N OF DUBLIN AT 14700 FT, THE CTR CTLR ASKED US TO SAY OUR DME FROM DUBLIN, AND WE THEN REALIZED OUR ERROR. WE TOLD HIM OUR DISTANCE, AND HE INFORMED US THAT WE HAD VIOLATED THE RESTR. WE APOLOGIZED. I THINK WHAT CONTRIBUTED TO OUR MISTAKE WAS THAT I, THE FO, FAILED TO WRITE DOWN THE CLRNC WHEN IT WAS RECEIVED, WHICH THEN ALLOWED OUR MEMORIES TO FAIL US. ON THE ARR, I FORGOT ABOUT THE RESTR, AND BEGAN NAVING OFF OF ATL VOR PREMATURELY, CAUSING ME TO LOSE TRACK OF MY DISTANCE FROM DUBLIN. THE TRAINING ENVIRONMENT IS IN ITSELF AN UNUSUAL OP FULL OF DISTRS AND UNFAMILIARITY. THIS WAS THE LAST LEG HOME AFTER A 2-DAY TRIP, AND COMPLACENCY WAS ALSO A FACTOR. I WILL FROM NOW ON ALWAYS MAKE A HABIT OF COPYING DOWN CLRNCS -- ESPECIALLY FOR XING RESTRS, OR ANY OTHER CLRNC WHICH MUST BE COMPLIED WITH IN THE FUTURE OF THE FLT.

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.