Jose wrote:
What the KFC225 won't do is

a) intercept a GS from above - I was given a dodgy final vector
yesterday which led to that


Isn't that generally a bad idea anyway? I was taught that false lobes
could lead you to grief and a GS should always be intercepted from below.

Jose

That's right - due to inevitable ground reflections, there
are always false glideslopes above the correct one. The
ICAO planning instructions require the procedure to be
planned so thet the GS is captured from below.

In the same way, the localizer capture planning rules
require an intercept angle below 45 degrees, preferably
30 degrees.

--

Tauno Voipio (avionics engineer, CPL(A))
tauno voipio (at) iki fi