Hello,

From Mr Freeman's statements, it suggests that he is either relatively
inexperienced either in IFR ops or in ops at busy airports. He talks
about
looking at the approach plate and deciding to descend to the altitude for
the approach. I'm guessing that at Teterboro, one would typically be
vectored and stepped down to intercept final. But that's just a guess.

IIRC he's got his PPL in 2002 and owned a Piper Arrow in 2003 (not a thing
to be used in FL210 ;-). So his IFR ticket could possibly be quite "fresh".

Regards

Kai Glaesner