Narrative:

During the turn from 40 to 280 heading on the teterboro 6 SID we were given a heading of 320 and I did not engage the heading mode and rolled out on the the charted 280 heading. After about ten seconds we were given direct brezy.

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Original NASA ASRS Text

Title: A Lear 45 flight crew suffered a track deviation when they failed to engage the heading mode on the FMS when given a heading different from that published on the Teterboro SID after take off from TEB.

Narrative: During the turn from 40 to 280 heading on the Teterboro 6 SID we were given a heading of 320 and I did not engage the heading mode and rolled out on the the charted 280 heading. After about ten seconds we were given direct BREZY.

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.