BRAKING ACTION
MU
GOOD .40 TO 1.0
MEDIUM/GOOD. .36 TO .39
MEDIUM. .30 TO .35
POOR .26 TO .29
NIL. 0 TO .25
TAPLEY
GOOD 57 TO 77
FAIR 39 TO 56
POOR 18 TO 38
NIL 6 TO 17
RCR
GOOD 19 TO 25
FAIR 13 TO 18
POOR 6 TO 12
NIL 2 TO 5
* Warning: 25 RCR, 25 Tapley and .25 MU
are not the same!
NIL braking indicates thrust is more than
braking capability.
A "good" MU report may indicate only half the
braking effectiveness of a dry runway.
MU greater than .4 is reported in whole
numbers (5, 6, etc.)