On Sat, 18 Oct 2003 01:36:18 GMT, "Tim J"
wrote:

Also, another poster commented about staying at an altitude
(above the published one) until intersecting the 'GP.' I can only assume
"GP" means glide path (or glide slope). Your example was a VOR appch I
believe, but in the case of an ILS approach, it is not wise to stay above,
as you can intercept a false glideslope.

Well of course you don't want to intercept a GP from above, but that has
nothing to do with remaining above the published GP intercept altitude
miles from the FAF where the GP will be above you.

For example, look at the ILS 14 at Nashua, NH (KASH). The GP intercept
altitude is 1800' and the precision FAF is about five miles from the
runway. It would not be unusual to be vectored to the vicinity of MUGGY at
an altitude of 3000' (or even 2500' if memory serves me) and then cleared
for the approach. At that point in space, you are well below the GP (so no
danger of intercepting a false glideslope). I would prefer to remain
straight and level until intercepting the GP, and then just do the one
reconfiguration to a descent. The alternative is more work as you
configure for a descent, level off at 1800' and reconfigure for straight
and level, and then reconfigure again for a descent just outside of CHERN.


Ron (EPM) (N5843Q, Mooney M20E) (CP, ASEL, ASES, IA)