Narrative:

[I] obtained clearance which includes ruddy three departure from teb runway 24. Initial altitude restriction is 1;500 ft at wentz; then via 280 degree track to tasca; cross at 2;000 ft or assigned. Just prior to wentz; I was given a frequency change to departure. After switching; they (departure) told me to go back to tower. [I] was given a new frequency number and called them. It was right then that I realized I was crossing wentz at 2;000 ft and not 1;500 ft. I was given a stern warning; told to stay at 2;000 ft; and preceded to a new waypoint. I believe the mix-up in the radio frequencies took my eyes off the altimeter. Next time I will put departure frequency into the autopilot/flight director so as not to make that mistake ever again.

Google
 

Original NASA ASRS Text

Title: C414 single pilot reports crossing WENTZ at 2;000 FT on the RUUDY 3 departure from TEB after being given a frequency change that is copied incorrectly.

Narrative: [I] obtained clearance which includes RUDDY THREE departure from TEB Runway 24. Initial altitude restriction is 1;500 FT at WENTZ; then via 280 degree track to TASCA; cross at 2;000 FT or assigned. Just prior to WENTZ; I was given a frequency change to Departure. After switching; they (Departure) told me to go back to Tower. [I] was given a new frequency number and called them. It was right then that I realized I was crossing WENTZ at 2;000 FT and not 1;500 FT. I was given a stern warning; told to stay at 2;000 FT; and preceded to a new waypoint. I believe the mix-up in the radio frequencies took my eyes off the altimeter. Next time I will put Departure frequency into the autopilot/flight director so as not to make that mistake ever again.

Data retrieved from NASA's ASRS site as of April 2012 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.