Narrative:

Descent cleared to 3000 ft -- my altimeters were set on 30.32. I listened to ATIS. Lots of interference with ZBW on cymx ATIS. First officer later listened to ATIS, altimeter was 29.32. He set his altitude to 29.32 -- did not check mine. Autoplt altitude window set 3000 ft (assigned) first officer used flight level change mode for descent. Aircraft leveled 3000 ft -- ATC advised us that we were at 2000 ft and reclred us at 2000 ft. I immediately checked the altimeters and we were 1000 ft low. Even though standard calls were used on descent (such as 4 for 3) first officer flew through assigned altitude on his altimeter. (Autoplt works off captain's altimeter). Additional information -- WX was such that a 29.32 altimeter was not expected -- winds were calm and a clearing trend was in the works. ZBW interferes with cymx ATIS until less than 100 mi from the airport. 2 man crew -- I was off the radio (ATC) talking to company when descent clearance was given and a new (or the ) altimeter setting was given to the first officer. Supplemental information from acn 295347: captain is a strong never makes mistakes guy but lacks good copilot mind set. In crew resource he is very authoritarian. Like flying with your father. I do not remember hearing altimeter issued from montreal. ATIS is french and english (not great engine). Boeing 757 levels at altimeter set in captain's top altimeter. Possible autoplt over confidence.

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Original NASA ASRS Text

Title: ALTDEV ALT OVERSHOT -- WRONG ALTIMETER SETTING.

Narrative: DSCNT CLRED TO 3000 FT -- MY ALTIMETERS WERE SET ON 30.32. I LISTENED TO ATIS. LOTS OF INTERFERENCE WITH ZBW ON CYMX ATIS. FO LATER LISTENED TO ATIS, ALTIMETER WAS 29.32. HE SET HIS ALT TO 29.32 -- DID NOT CHK MINE. AUTOPLT ALT WINDOW SET 3000 FT (ASSIGNED) FO USED FLT LEVEL CHANGE MODE FOR DSCNT. ACFT LEVELED 3000 FT -- ATC ADVISED US THAT WE WERE AT 2000 FT AND RECLRED US AT 2000 FT. I IMMEDIATELY CHKED THE ALTIMETERS AND WE WERE 1000 FT LOW. EVEN THOUGH STANDARD CALLS WERE USED ON DSCNT (SUCH AS 4 FOR 3) FO FLEW THROUGH ASSIGNED ALT ON HIS ALTIMETER. (AUTOPLT WORKS OFF CAPT'S ALTIMETER). ADDITIONAL INFO -- WX WAS SUCH THAT A 29.32 ALTIMETER WAS NOT EXPECTED -- WINDS WERE CALM AND A CLRING TREND WAS IN THE WORKS. ZBW INTERFERES WITH CYMX ATIS UNTIL LESS THAN 100 MI FROM THE ARPT. 2 MAN CREW -- I WAS OFF THE RADIO (ATC) TALKING TO COMPANY WHEN DSCNT CLRNC WAS GIVEN AND A NEW (OR THE ) ALTIMETER SETTING WAS GIVEN TO THE FO. SUPPLEMENTAL INFO FROM ACN 295347: CAPT IS A STRONG NEVER MAKES MISTAKES GUY BUT LACKS GOOD COPLT MIND SET. IN CREW RESOURCE HE IS VERY AUTHORITARIAN. LIKE FLYING WITH YOUR FATHER. I DO NOT REMEMBER HEARING ALTIMETER ISSUED FROM MONTREAL. ATIS IS FRENCH AND ENGLISH (NOT GREAT ENG). BOEING 757 LEVELS AT ALTIMETER SET IN CAPT'S TOP ALTIMETER. POSSIBLE AUTOPLT OVER CONFIDENCE.

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.