Originally Posted by
haughtney1
Done a couple of these approaches over the past week or two, and with both of them it seemed to me that there is a bit of an offset to the west of the centreline.
Both times RNP was 0.11 actual was 0.05, so I'm wondering if it's a known thing in YPPH, or maybe a coding thing?
Both times I checked and re-checked, and both times it was on 777's with less than 1000hrs on each airframe.
All you PER based guys got any ideas? or seen anything similar?
ANP 0.05 is ~92m of possible lateral error (think i calculated that ok). How much were you offset by?
The runway at PER is closer to 195 than 196 - 1 degree is noticeable.
Was it a constant offset, ie flying parallel to centerline?
Or an angular offset, converging or diverging from centerline?