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6 – i ndex
signals
SIGNALSFORTHECONTROLOFAERODROMETRAFFIC
GROUND
SIGNAL
DESCRIPTION WHEREDISPLAYED MEANING
Horizontal white
dumb-bell
Adjacent towind
direction indicator
Useonly hard
surfacemovement
areas.Where there
are sealed and
gravel manoeuving
areas, use only the
sealed surfaces.
Where there are
constructed gravel
and natural surface
manoeuving areas,
use only thegravel
surfaces. (See
ERSA FAC for any
local information
relating to the
dumb-bell signal)
WhiteCross
(i) Adjacent towind
direction indicator
(ii) Onmanoeuvring
area
(i) Aerodrome
completely
unservicable.
(ii) An aeramarked
by a cross or
crosseswith the
limit delineated by
markers is unfit for
use by aircraft
WhiteDouble
Cross
Adjacent towind
direction indicator
Gliding operations
inprogress