CAP 413
Radiotelephony Manual
Chapter 4 Page 45
7.4.4
Reports originated by the Aerodrome Authority are based on runway inspections and
include the conditions in each third of the assessed area, sequentially, for the runway
to be used.
7.4.5
Additional information, based on observations from the control tower or from pilot
reports that indicate that the amount of water present on the runway surface is
greater than that assessed, may be passed to pilots. Such additional information will
be prefixed by the words “Unofficial observation”. In this case, the runway surface
conditions will be advised using a single term for the entire runway.
7.4.6
When suitable equipment is available reports of braking action on wet runways will
be passed to pilots.
7.4.7
Other runway surface conditions, which may be of concern to a pilot, will be passed
by ATS.
Reporting Term
Surface conditions
DAMP
The surface shows a change of colour due to moisture.
NOTE: If there is sufficient moisture to produce a surface film or the
surface appears reflective, the runway will be reported as WET.
WET
The surface is soaked but no significant patches of standing water
are visible.
NOTE: Standing water is considered to exist when water on the
runway surface is deeper than 3mm. Patches of standing water
covering more than 25% of the assessed area will be reported as
WATER PATCHES.
WATER PATCHES
Significant patches of standing water are visible.
NOTE: Water patches will be reported when more than 25% of the
assessed area is covered by water more than 3mm deep.
FLOODED
Extensive patches of standing water are visible.
NOTE: Flooded will be reported when more than 50% of the
assessed area is covered by water more than 3mm deep.
BIGJET 347, Runway 26 surface is
DAMP, WATER PATCHES, WET
BIGJET 347, Runway 34 surface is
WET, WET, WET
BIGJET 347, Unofficial observation
based on pilot report. The runway 34
surface condition appears to be
WET
BIGJET 347, displaced threshold
runway 27, 100 metres due broken
surface
BIGJET 347, braking action reported
by B737 at 1456 poor
Table 5
(Continued)
17 November 2011
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