wrote:
Mark Hansen wrote:


Basically, if you don't have a glide slope receiver, you won't be able
to fly any precision approaches. If you don't have an ADF, you won't
be able to fly any NDB approaches (not that there are that many left).


They're disappearing, but they're not quite dead yet. I count 29 in
New York and New Jersey alone -- I don't know how often they're
actually used, but at least they're still publishing the plates in the
current cycle:

....and there are plenty of airports in Canada where the only approach requires
an ADF, also in the rest of the world outside the US.