Table 1. Friction survey frequency(
MOLIT, 2013
)
Number of daily aircraft landings per runway end
Minimum friction survey frequency
Less than 8
24 months
9 - 15
12 months
16 - 30
6 months
31 - 90
3 months
91 - 150
1 month
151 - 210
2 weeks
Greater than 211
1 week