Originally Posted by
Ytheroxxx
Thank you for your explanation,I fly A320 families,it happened to me many times that I have to keep 3 reds and 1 white to maintain profile at PVG Shanghai.
You might find the PAPI's are set for "larger" aeroplanes that have a higher flight deck, therefore in smaller aeroplanes the PAPI's appear incorrect.
Going back to your original question - land