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时间:2010-05-28 02:15来源:蓝天飞行翻译 作者:admin
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position marking on the pavement. The sign is
intended to provide pilots with another visual cue
which they can use as a guide in deciding when they
are “clear of the runway.”
22.4 ILS Critical Area Boundary Sign. This sign
has a yellow background with a black inscription with
a graphic depicting the ILS pavement holding
position marking as shown in FIG AD 1.1−43. This
sign is located adjacent to the ILS holding position
marking on the pavement and can be seen by pilots
leaving the critical area. The sign is intended to
provide pilots with another visual cue which they can
use as a guide in deciding when they are “clear of the
ILS critical area.”
23. Direction Signs
23.1 Direction signs have a yellow background with
a black inscription. The inscription identifies the
designation(s) of the intersecting taxiway(s) leading
out of intersection that a pilot would normally be
expected to turn onto or hold short of. Each
designation is accompanied by an arrow indicating
the direction of the turn.
AIP
United States of America
AD 1.1−18
15 MAR 07
Nineteenth Edition Federal Aviation Administration
23.2 Except as noted in subparagraph 23.5, each
taxiway designation shown on the sign is accompanied
by only one arrow. When more than one taxiway
designation is shown on the sign, each designation
and its associated arrow is separated from the other
taxiway designations by either a vertical message
divider or a taxiway location sign as shown in
FIG AD 1.1−44.
23.3 Direction signs are normally located on the left
prior to the intersection. When used on a runway to
indicate an exit, the sign is located on the same side
of the runway as the exit. FIG AD 1.1−45 shows a
direction sign used to indicate a runway exit.
23.4 The taxiway designations and their associated
arrows on the sign are arranged clockwise starting
from the first taxiway on the pilot’s left.
(See FIG AD 1.1−44.)
23.5 If a location sign is located with the direction
signs, it is placed so that the designations for all turns
to the left will be to the left of the location sign; the
designations for continuing straight ahead or for all
turns to the right would be located to the right of the
location sign. (See FIG AD 1.1−44.)
23.6 When the intersection is comprised of only one
crossing taxiway, it is permissible to have two arrows
associated with the crossing taxiway as shown in
FIG AD 1.1−46. In this case, the location sign is
located to the left of the direction sign.
24. Destination Signs
24.1 Destination signs also have a yellow background
with a black inscription indicating a
destination on the airport. These signs always have an
arrow showing the direction of the taxiing route to
that destination. FIG AD 1.1−47 is an example of a
typical destination sign. When the arrow on the
destination sign indicates a turn, the sign is located
prior to the intersection.
24.2 Destinations commonly shown on these types
of signs include runways, aprons, terminals, military
areas, civil aviation areas, cargo areas, international
areas, and fixed base operators. An abbreviation may
be used as the inscription on the sign for some of these
destinations.
24.3 When the inscription for two or more
destinations having a common taxiing route are
placed on a sign, the destinations are separated by a
“dot” () and one arrow would be used as shown in
FIG AD 1.1−48. When the inscription on a sign
contains two or more destinations having different
taxiing routes, each destination will be accompanied
by an arrow and will be separated from the other
destinations on the sign with a vertical black message
divider as shown in FIG AD 1.1−49.
25. Information Signs
25.1 Information signs have a yellow background
with a black inscription. They are used to provide the
pilot with information on such things as areas that
cannot be seen from the control tower, applicable
radio frequencies, and noise abatement procedures.
The airport operator determines the need, size, and
location for these signs.
26. Runway Distance Remaining Signs
26.1 Runway distance remaining signs have a black
background with a white numeral inscription and
may be installed along one or both side(s) of the
runway. The number on the signs indicates the
distance (in thousands of feet) of landing runway
remaining. The last sign; i.e., the sign with the
numeral “1,” will be located at least 950 feet from the
 
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