On Thu, 21 Apr 2005 20:30:17 -0400, Peter Clark
wrote in
::

Non-IMC practice approaches are flown VFR,

I wish you had an authoritative citation for that opinion.

thus the requirement for the safety pilot to look out for
other traffic and ensure you don't violate cloud
separation, etc.

Of course aircraft on an IFR flight plan flying an approaches in VMC
are _required_ to see-and-avoid also.