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2
3
1. WHITE
2. YELLOW
3. YELLOW ARROW ALIGNED TOWARD THE FACILITY
4. INTERIOR OF CIRCLE BLACK (CONCRETE SURFACE ONLY)
5. CIRCLE MAY BE BORDERED ON INSIDE AND OUTSIDE WITH
6” BLACK BAND IF NECESSARY FOR CONTRAST
5
FIG 2-3-21
Nonmovement Area Boundary Markings
BOTH LINES
ARE YELLOW
SOLID LINE ON
NONMOVEMENT
SIDE
DASHED LINE ON
MOVEMENT SIDE
FIG 2-3-22
Closed or Temporarily Closed Runway
and Taxiway Markings
2
X
d. Marking and Lighting of Permanently
Closed Runways and Taxiways. For runways and
taxiways which are permanently closed, the lighting
circuits will be disconnected. The runway threshold,
runway designation, and touchdown markings are
obliterated and yellow crosses are placed at each end
of the runway and at 1,000 foot intervals.
(See FIG 2-3-22.)
2/14/08 AIM
Airport Marking Aids and Signs 2-3-19
FIG 2-3-23
Helicopter Landing Areas
e. Temporarily Closed Runways and Taxiways.
To provide a visual indication to pilots that a runway
is temporarily closed, crosses are placed on the
runway only at each end of the runway. The crosses
are yellow in color. (See FIG 2-3-22.)
1. A raised lighted yellow cross may be placed
on each runway end in lieu of the markings described
in subparagraph e,Temporarily Closed Runways and
Taxiways, to indicate the runway is closed.
2. A visual indication may not be present
depending on the reason for the closure, duration of
the closure, airfield configuration and the existence
and the hours of operation of an airport traffic control
tower. Pilots should check NOTAMs and the
Automated Terminal Information System (ATIS) for
local runway and taxiway closure information.
3. Temporarily closed taxiways are usually
treated as hazardous areas, in which no part of an
aircraft may enter, and are blocked with barricades.
However, as an alternative a yellow cross may be
installed at each entrance to the taxiway.
f. Helicopter Landing Areas. The markings
illustrated in FIG 2-3-23 are used to identify the
landing and takeoff area at a public use heliport and
hospital heliport. The letter “H” in the markings is
oriented to align with the intended direction of
approach. FIG 2-3-23 also depicts the markings for
a closed airport.
2-3-7. Airport Signs
There are six types of signs installed on airfields:
mandatory instruction signs, location signs, direction
signs, destination signs, information signs, and
runway distance remaining signs. The characteristics
and use of these signs are discussed in paragraph
2-3-8, Mandatory Instruction Signs, through
paragraph 2-3-13, Runway Distance Remaining
Signs.
REFERENCEAC150/
5340-18, Standards for Airport Sign Systems for Detailed
Information on Airport Signs.
AIM 2/14/08
2-3-20 Airport Marking Aids and Signs
FIG 2-3-24
Runway Holding Position Sign
FIG 2-3-25
Holding Position Sign at Beginning of Takeoff Runway
2-3-8. Mandatory Instruction Signs
a. These signs have a red background with a white
inscription and are used to denote:
1. An entrance to a runway or critical area and;
2. Areas where an aircraft is prohibited from
entering.
b. Typical mandatory signs and applications
are:
1. Runway Holding Position Sign. This sign
is located at the holding position on taxiways that
intersect a runway or on runways that intersect other
runways. The inscription on the sign contains the
designation of the intersecting runway as shown in
FIG 2-3-24. The runway numbers on the sign are
arranged to correspond to the respective runway
threshold. For example, “15-33” indicates that the
threshold for Runway 15 is to the left and the
threshold for Runway 33 is to the right.
(a) On taxiways that intersect the beginning
of the takeoff runway, only the designation of the
takeoff runway may appear on the sign as shown in
FIG 2-3-25, while all other signs will have the
designation of both runway directions.
2/14/08 AIM
Airport Marking Aids and Signs 2-3-21
FIG 2-3-26
Holding Position Sign for a Taxiway that Intersects the Intersection of Two Runways
FIG 2-3-27
Holding Position Sign for a Runway Approach Area
(b) If the sign is located on a taxiway that
intersects the intersection of two runways, the
designations for both runways will be shown on the
sign along with arrows showing the approximate
alignment of each runway as shown in FIG 2-3-26.
In addition to showing the approximate runway
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