Narrative:

Prior to departure runway 24 at teb, we reviewed the procedure. It involves a prompt leveloff at 1500 ft, a turn, then a climb to 2000 ft after about 5 mi. The PF said he was well acquainted with the procedure and he recited it almost verbatim from memory. Climb was normal. I called approaching 1500 ft. We went slightly through 1500 ft. The PF initiated a turn, pointed to the altitude selector and said '2000 ft.' preselecting is not a normal procedure in a situation like this and I 'waived off' the change. (There was some radio chatter at the time.) the PF selected the altitude himself then pwred up. I checked the DME to see if I had missed the climb fix. We were already at 1600 ft at that time and the controller spotted the altitude increase immediately -- about 1700 ft as I recall. Honest 2-PLT flying, as specified in the company manual, would not allow this to happen: both pilots must agree to the altitude change, transition fixes should be verbalized. Supplemental information from acn 534542: ATC then iterated the altitude should be 1500 ft when I was at 1700 ft, and an immediate descent was made to 1500 ft.

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Original NASA ASRS Text

Title: A C550 CREW, DEPARTING TEB, OVERSHOT ASSIGNED ALT ON DEP.

Narrative: PRIOR TO DEP RWY 24 AT TEB, WE REVIEWED THE PROC. IT INVOLVES A PROMPT LEVELOFF AT 1500 FT, A TURN, THEN A CLB TO 2000 FT AFTER ABOUT 5 MI. THE PF SAID HE WAS WELL ACQUAINTED WITH THE PROC AND HE RECITED IT ALMOST VERBATIM FROM MEMORY. CLB WAS NORMAL. I CALLED APCHING 1500 FT. WE WENT SLIGHTLY THROUGH 1500 FT. THE PF INITIATED A TURN, POINTED TO THE ALT SELECTOR AND SAID '2000 FT.' PRESELECTING IS NOT A NORMAL PROC IN A SIT LIKE THIS AND I 'WAIVED OFF' THE CHANGE. (THERE WAS SOME RADIO CHATTER AT THE TIME.) THE PF SELECTED THE ALT HIMSELF THEN PWRED UP. I CHKED THE DME TO SEE IF I HAD MISSED THE CLB FIX. WE WERE ALREADY AT 1600 FT AT THAT TIME AND THE CTLR SPOTTED THE ALT INCREASE IMMEDIATELY -- ABOUT 1700 FT AS I RECALL. HONEST 2-PLT FLYING, AS SPECIFIED IN THE COMPANY MANUAL, WOULD NOT ALLOW THIS TO HAPPEN: BOTH PLTS MUST AGREE TO THE ALT CHANGE, TRANSITION FIXES SHOULD BE VERBALIZED. SUPPLEMENTAL INFO FROM ACN 534542: ATC THEN ITERATED THE ALT SHOULD BE 1500 FT WHEN I WAS AT 1700 FT, AND AN IMMEDIATE DSCNT WAS MADE TO 1500 FT.

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.