TM 5-823-4
the stabilized area or to 25 feet in length, whichever is
2-7.
Stabilized areas. Holding bays, aprons, and
less.
taxiways are sometimes pr6vided with shoulder
stabilization to prevent blast and water erosion. This
2-8.
Runway shoulder marking.
Usually the
stabilization may have the appearance of a full strength
pavement but is not intended for use by aircraft. Usually
runway side stripes will indicate the edges of the full
the taxiway edge marking will define this area, but
strength pavement. However, conditions may exist, such
conditions may exist such as stabilized islands or taxiway
as exceptionally wide runways, where there is a need to
curves where confusion may exist as to which side of the
indicate the area not intended for use by aircraft. In such
edge stripe is the full strength pavement. Where such a
cases, chevrons, as shown in figure 2-7, are used.
condition exists, the stabilized area is marked with 3-foot
wide yellow lines perpendicular to the edge stripes as
2-9.
Aircraft parking ramps, tiedown and mooring
shown in figure 2-6 (sheet 2). On straight sections, the
areas. Tie-down points at parking ramps and tie-down
marks are placed at a maximum of 100-foot spacing. On
or mooring areas are usually marked in the shape of a
curves, the marks are placed a maximum of 50 feet
ball with yellow nonreflective paint. Dimensions of the
apart between the curve tangents. The stripes are
area to be painted are at the discretion of the airfield or
extended
to
5
feet
from
the
edge
of
heliport commander.
2-14
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