Do aircraft manufacturers assume damp runway is wet?
Join Date: Dec 2012
Location: USA
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Safety -
In my operation we have Ref for a dry runway...damp reduces braking action so increasing braking distance roughly 5%, wet, roughly 10% or as dictated in the book...when the runway is sloppy, slippery, viscous, moist, or akin to a 16 year old girl having a rotten dream, we take the square root of the cubic inch capacity of the lav divided by nose tire pressure, then you multiply by the square root of the amount of cups of coffee, to get the new landing distance.
In my operation we have Ref for a dry runway...damp reduces braking action so increasing braking distance roughly 5%, wet, roughly 10% or as dictated in the book...when the runway is sloppy, slippery, viscous, moist, or akin to a 16 year old girl having a rotten dream, we take the square root of the cubic inch capacity of the lav divided by nose tire pressure, then you multiply by the square root of the amount of cups of coffee, to get the new landing distance.
