Narrative:

Teb 5 departure from runway 24 at teb. I was supposed to climb to 1500 ft MSL and turn to a heading of 280 degrees. I had altitude select turned on and set for 1500 ft, but on departure, I trimmed nose down, which turned altitude select 'off.' by the time I realized this, and caught up with the aircraft to correct, I was at 1900 ft. It was a stupid mistake and I attribute it to low time in type and depending too much on the autoplt. Additional training has been conducted on the autoplt system and situation awareness. I believe this will prevent this type of problem from happening again.

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Original NASA ASRS Text

Title: A CITATION II CAPT ADMITTED THAT HE WAS UNFAMILIAR WITH HIS AUTOPLT WHICH CAUSED HIM TO OVERSHOOT HIS ASSIGNED ALT AFTER DEPARTING TEB.

Narrative: TEB 5 DEP FROM RWY 24 AT TEB. I WAS SUPPOSED TO CLB TO 1500 FT MSL AND TURN TO A HDG OF 280 DEGS. I HAD ALT SELECT TURNED ON AND SET FOR 1500 FT, BUT ON DEP, I TRIMMED NOSE DOWN, WHICH TURNED ALT SELECT 'OFF.' BY THE TIME I REALIZED THIS, AND CAUGHT UP WITH THE ACFT TO CORRECT, I WAS AT 1900 FT. IT WAS A STUPID MISTAKE AND I ATTRIBUTE IT TO LOW TIME IN TYPE AND DEPENDING TOO MUCH ON THE AUTOPLT. ADDITIONAL TRAINING HAS BEEN CONDUCTED ON THE AUTOPLT SYSTEM AND SIT AWARENESS. I BELIEVE THIS WILL PREVENT THIS TYPE OF PROB FROM HAPPENING AGAIN.

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.