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Airport Marking Aids and Signs

2−3−5. Holding Position Markings

a. Runway Holding Position Markings. For

runways, these markings indicate where aircraft

MUST STOP when approaching a runway. They

consist of four yellow lines, two solid and two dashed,

spaced six or twelve inches apart, and extending

across the width of the taxiway or runway. The solid

lines are always on the side where the aircraft must

hold. There are three locations where runway holding

position markings are encountered.

1. Runway Holding Position Markings on

Taxiways. These markings identify the locations on

a taxiway where aircraft MUST STOP when a

clearance has not been issued to proceed onto the

runway. Generally, runway holding position mark-

ings also identify the boundary of the runway safety

area (RSA) for aircraft exiting the runway. Runway

holding position markings are shown in FIG 2−3−13

and FIG 2−3−16. When instructed by ATC, “Hold

short of Runway XX,” the pilot MUST STOP so that

no part of the aircraft extends beyond the runway

holding position marking. When approaching

runways at airports with an operating control tower,

pilots must not cross the runway holding position

marking without ATC clearance. Pilots approaching

runways at airports without an operating control

tower must ensure adequate separation from other

aircraft, vehicles, and pedestrians prior to crossing

the holding position markings. An aircraft exiting a

runway is not clear of the runway until all parts of the

aircraft have crossed the applicable holding position



Runway holding position markings identify the beginning

of an RSA, and a pilot MUST STOP to get clearance before

crossing (at airports with operating control towers).


AIM, Paragraph 4−3−20 , Exiting the Runway After Landing

2. Runway Holding Position Markings on

Runways. These markings identify the locations on

runways where aircraft MUST STOP. These

markings are located on runways used by ATC for

Land And Hold Short Operations (for example, see

FIG 4−3−8) and Taxiing operations. For taxiing

operations, the pilot MUST STOP prior to the holding

position markings unless explicitly authorized to

cross by ATC. A sign with a white inscription on a red

background is located adjacent to these holding

position markings. (See FIG 2−3−14.) The holding

position markings are placed on runways prior to the

intersection with another runway, or some designated

point. Pilots receiving and accepting instructions

Cleared to land Runway XX, hold short of Runway

YY” from ATC must either exit Runway XX prior to

the holding position markings, or stop at the holding

position markings prior to Runway YY. Otherwise,

pilots are authorized to use the entire landing length

of the runway and disregard the holding position


3. Holding Position Markings on Taxiways

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/departure area holding position sign. When

specifically instructed by ATC, “Hold short of

Runway XX approach or Runway XX departure

area,” the pilot MUST STOP so that no part of the

aircraft extends beyond the holding position marking.

(See Subparagraph 2−3−8b2, Runway Approach

Area Holding Position Sign, and FIG 2−3−15.)

b. Holding Position Markings for Instrument

Landing System (ILS). Holding position markings

for ILS 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. (See FIG 2−3−16.) A sign with an

inscription in white on a red background is located

adjacent to these hold position markings. When

instructed by ATC to hold short of the ILS critical

area, pilots MUST STOP so that no part of the aircraft

extends beyond the holding position marking. When

approaching the holding position marking, pilots

must 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



AIM, Paragraph 1−1−9 , Instrument Landing System (ILS)

c. Holding Position Markings for Intersecting

Taxiways Holding position markings for intersect-

ing taxiways consist of a single dashed line extending

across the width of the taxiway as shown. (See

FIG 2−3−17.) They are located on taxiways where

ATC holds aircraft short of a taxiway intersection.

When instructed by ATC, “Hold short of Taxiway

XX,” the pilot MUST STOP so that no part of the

aircraft extends beyond the holding position marking.

When the marking is not present, the pilot MUST


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