Narrative:

The captain was flying the aircraft, when shortly after takeoff, we were cleared to otr with a request for an estimate to otr. Shortly after I had leaned over to check our computer for an estimate, I heard the captain say 'oh shit!' I then noticed that the captain was frantically pushing the nose of the aircraft to descend to our assigned altitude of 10000 ft. We had busted our altitude by 1500 ft. When ATC noticed that we were above our assigned altitude, he commented on it then gave us a clearance for a higher altitude. Contributing factors were 1) our altitude alert system was inoperative, and 2) the quality of human performance was affected by the fact that our crew was up that day for over 18 hours.

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Original NASA ASRS Text

Title: FLC CLBS THROUGH ASSIGNED 10000 FT TO 11500 FT BEFORE CAPT (PF) COMMENCES RETURN TO ASSIGNED ALT.

Narrative: THE CAPT WAS FLYING THE ACFT, WHEN SHORTLY AFTER TKOF, WE WERE CLRED TO OTR WITH A REQUEST FOR AN ESTIMATE TO OTR. SHORTLY AFTER I HAD LEANED OVER TO CHK OUR COMPUTER FOR AN ESTIMATE, I HEARD THE CAPT SAY 'OH SHIT!' I THEN NOTICED THAT THE CAPT WAS FRANTICALLY PUSHING THE NOSE OF THE ACFT TO DSND TO OUR ASSIGNED ALT OF 10000 FT. WE HAD BUSTED OUR ALT BY 1500 FT. WHEN ATC NOTICED THAT WE WERE ABOVE OUR ASSIGNED ALT, HE COMMENTED ON IT THEN GAVE US A CLRNC FOR A HIGHER ALT. CONTRIBUTING FACTORS WERE 1) OUR ALT ALERT SYS WAS INOP, AND 2) THE QUALITY OF HUMAN PERFORMANCE WAS AFFECTED BY THE FACT THAT OUR CREW WAS UP THAT DAY FOR OVER 18 HRS.

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.