Narrative:

Upon leveling at FL280, ZNY advised our mode C showed FL285. Our altimeters were left on lga setting of 29.29 instead of 29.92. Center advised deviation caused no conflict. In addition to similar settings, a lengthy level off at 17000 ft contributed to this lack of checklist discipline. First officer was flying.

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Original NASA ASRS Text

Title: MD80 SUPER 80 SPENT A LOT OF TIME AT 17000 FT AND ALTIMETER SETTING HAD NOT BEEN CHANGED TO 29.92 AT FL180. ACFT LEVELED OFF AT FL285, 500 FT HIGH.

Narrative: UPON LEVELING AT FL280, ZNY ADVISED OUR MODE C SHOWED FL285. OUR ALTIMETERS WERE LEFT ON LGA SETTING OF 29.29 INSTEAD OF 29.92. CTR ADVISED DEV CAUSED NO CONFLICT. IN ADDITION TO SIMILAR SETTINGS, A LENGTHY LEVEL OFF AT 17000 FT CONTRIBUTED TO THIS LACK OF CHKLIST DISCIPLINE. FO WAS FLYING.

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.