Originally Posted by
JetSetJ
that the back course indications provided for both the localiser and glideslope are not accurate enough to be utilised to carry out an approach.
Localiser indications are certainly accurate enough (for a non directional localiser). Glide slope..............no way! That's why you'll find places around the world have "IGNORE/DISREGARD GLIDE SLOPE INDICATIONS" in big black bold lettering on the approach plates.