Friction - Współczynniki hamowania.pdf

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SNOWTAM DECODER (Metar Format)
BB BRAKING CONDITIONS
04 5 9 05 92
RR T E DD BB
Friction Coefficient
(e.g. 34 = 0,34)
91 BA Poor
92 BA Medium-Poor
93 BA Medium
94 BA Medium-Good
95 BA Good
E EXTENT OF CONTAMINATION
1 10% or less of RWY covered
2 11% to 25% of RWY covered
5 26% to 50% or RWY covered
9 51% to 100% of RWY covered
99
BA Unreliable or not measurable
(e.g. due to aquaplaning)
RR
RUNWAY DESIGNATOR
25 Runway 25
/
Not Reported (e.g. due to RWY
clearance in progress)
In case of parallel runways, 50
is added to the right runway
designator
88 Information applies to all RWY
DD DEPTH OF DEPOSIT
75
00 Less than 1mm
01
90
T TYPE OF DEPOSIT
Depth in mm
99
A previous RWY report is
repeated
0 Clear and Dry
1 Damp
2 Wet or Water Patches
3 Rime or Frost < 1mm
4 Dry Snow
5 Wet Snow
6 Slush
7 Ice
8 Compacted or Rolled Snow
9 Frozen Ruts or Ridges
92 100 mm
93 150 mm
94 200 mm
95 250 mm
96 300 mm
97 350 mm
98 400 mm
99
RWY not operational due to
contamination or due to
clearance in progress)
Not Reported (e.g. due to RWY
clearance in progress)
/
//
Depth not significant (e.g. ice)
or not measurable e.g. wet)
Specials
Braking
Action
POOR
P / M
MEDIUM
M / G
GOOD
//////
Report not updated
91
92
93
94
95
Contamination has
disappeared (e.g. RWY has
been cleared)
Coefficient µ
x 100
0 10 20 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 50 100
CLRD
SNOCLO
Airport closed due to snow
Captain Pat BOONE - www.b737mrg.net
NO OFFICIAL USE -ACCURACY CANNOT BE GUARANTEED - FOR INFO ONLY !
March 2009
01
90
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