In article ,
wrote:
On Thu, 17 Feb 2005 09:19:28 -0500, Roy Smith wrote:

In article ,
wrote:

On Thu, 17 Feb 2005 05:11:11 GMT, Greg Esres
wrote:

The directive to pilots is that only approaches labeled "GPS" can be
flown with GPS.


What does this mean, exactly?

Must I turn off my GPS if I am flying a VOR or NDB approach?

Will I lose my certificate if I look at my GPS during the approach?
Will I lose my certificate if I look at the GPS more than I do the
OBS/ADF?

These generalized statements one finds in the AIM and elsewhere need
to be examined for specific meanings. When that is done, one finds
that most of them are absolute garbage.

The AIM recommends that any unauthorized instruments have their displays
covered with a ham sandwich when passing the final approach fix.


I don't believe this is true.

It has been demonstrated that some people navigate better with a ham
sandwich than they can with either ADF or VOR. Therefore the ham
sandwich would also be illegal.

Only if you mount it face side out.