Originally Posted by
Tomaski
Hydroplaning is not much of an issue on modern grooved (or porous friction coated) runways as long as the surface is not completely saturated from extremely heavy rain like one might get in a tropical storm or such. We have performance manuals (sometimes paper, sometimes computerized) that take account for other types of runway contamination. The data is generally conservative as long as the contamination and/or braking action reports are accurately reflect the current conditions.
Occasionally one might operate to a runway that is either not grooved or has substantial rubber deposits. Those case should be handled with appropriate caution.
Thx Tomaski.
So may I assume Vp is considered in up to date performance charts/computer programms for contaminated runways?
Kind regards