Originally Posted by
Piltdown Man
No matter what sort if ILS is being flown, the glideslope should be followed until the flare and roundout. That can be done on one of two ways, the glideslope indicator of the PAPIS.
Strictly speaking, if you're following PAPI, you're not following the glideSLOPE but rather the visual glidePATH which are usually not coincidental. They're close enough for guvmint work, but not exactly the same thing.