Yes, very good. Just what I wrote a few posts up.
Originally Posted by ft
The aim point markings will be made to coincide with the VASI indications though.
Note the word 'origin' in the text you quoted. The visual approach
slope origin is not the same as the actual VASI
unit.
And it is still irrelevant to the point I was making, so I conclude that we agree. On slope, visual and GP, you'll be at 15-18 m as you cross the threshold.