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control for land, hold short" operations or taxiing
operations and have operational significance only for
those two types of operations. A sign with a white
inscription on a red background is installed adjacent
to these holding position markings. (See
FIG AD 1.1−23.) The holding position markings are
placed on runways prior to the intersection with
another runway, or some designated point. Pilots
receiving instructions cleared to land, runway xx""
from air traffic control are authorized to use the entire
landing length of the runway and should disregard
any holding position markings located on the runway.
Pilots receiving and accepting instructions cleared
to land runway xx," hold short of runway yy"" from
AIP
United States of America
AD 1.1−15
15 MAR 07
Federal Aviation Administration Nineteenth Edition
air traffic control must either exit runway xx," or
stop at the holding position prior to runway yy."
19.1.3Taxiways Located in Runway Approach
Areas.These markings are used at some airports
where it is necessary to hold an aircraft on a taxiway
located in the approach or departure area of a runway
so that the aircraft does not interfere with the
operations on that runway. This marking is collocated
with the runway approach area holding position sign.
When specifically instructed by ATC Hold short of
(runway xx approach area)" the pilot should stop so
no part of the aircraft extends beyond the holding
position marking. (See paragraph 21.2.2, Runway
Approach Area Holding Position Sign, and
FIG AD 1.1−24, Taxiways Located in Runway
Approach Area.)
19.2Holding Position Markings for Instrument
Landing System (ILS).Holding position markings
for ILS/MLS critical areas consist of two yellow solid
lines spaced two feet apart connected by pairs of solid
lines spaced ten feet apart extending across the width
of the taxiway as shown in FIG AD 1.1−25. A sign
with an inscription in white on a red background is
installed adjacent to these hold position markings.
When the ILS critical area is being protected, the pilot
should stop so no part of his/her aircraft extends
beyond the holding position marking. When
approaching the holding position marking, a pilot
should not cross the marking without ATC clearance.
The ILS critical area is not clear until all parts of the
aircraft have crossed the applicable holding position
marking.
REFERENCE−
ENR 4.1, Instrument Landing System (ILS), paragraph 7.
19.3Holding Position Markings for Taxiway/
Taxiway Intersections.Holding position markings
for taxiway/taxiway intersections consist of a single
dashed line extending across the width of the taxiway
as shown in FIG AD 1.1−26. They are installed on
taxiways where air traffic control normally holds
aircraft short of a taxiway intersection. When
instructed by ATC hold short of (taxiway)" the pilot
should stop so no part of his/her aircraft extends
beyond the holding position marking. When the
marking is not present, the pilot should stop the
aircraft at a point which provides adequate clearance
from an aircraft on the intersecting taxiway.
19.4Surface Painted Holding Position Signs.
Surface painted holding position signs have a red
background with a white inscription and supplement
the signs located at the holding position. This type of
marking is normally used where the width of the
holding position on the taxiway is greater than
200feet (60 m). It is located to the left side of the
taxiway centerline on the holding side and prior to the
holding position marking. (See FIG AD 1.1−20.)
20. Other Markings
20.1Vehicle Roadway Markings. The vehicle
roadway markings are used when necessary to define
a pathway for vehicle operations on or crossing areas
that are also intended for aircraft. These markings
consist of a white solid line to delineate each edge of
the roadway and a dashed line to separate lanes within
the edges of the roadway. In lieu of the solid lines,
zipper markings may be used to delineate the edges
of the vehicle roadway. (See FIG AD 1.1−27.)
Details of the zipper markings are shown in
FIG AD 1.1−28.
20.2VOR Receiver Checkpoint Markings.The
VOR receiver checkpoint marking allows the pilot to
check aircraft instruments with navigational aid
signals. It consists of a painted circle with an arrow in
the middle; the arrow is aligned in the direction of the
checkpoint azimuth. This marking, and an associated
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