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runway or taxiway shall be sufficiently low to preserve
clearance for propellers and the engine pods of jet aircraft. The
installed height of the sign shall not exceed the dimension
shown in the appropriate column of Table 5-4.
5.4.1.4 Signs shall be rectangular, as shown in
Figures 5-28 and 5-29 with the longer side horizontal.
5.4.1.5 The only signs on the movement area utilizing red
shall be mandatory instruction signs.
5.4.1.6 The inscriptions on a sign shall be in accordance
with the provisions of Appendix 4.
5.4.1.7 Signs shall be illuminated in accordance with the
provisions of Appendix 4 when intended for use:
a) in runway visual range conditions less than a value of
800 m; or
b) at night in association with instrument runways; or
c) at night in association with non-instrument runways
where the code number is 3 or 4.
Table 5-4. Location distances for taxiing guidance signs including runway exit signs
Sign height (mm) Perpendicular Perpendicular
distance from distance from
defined taxiway defined runway
Code Face Installed pavement edge to pavement edge to
number Legend (min.) (max.) near side of sign near side of sign
1 or 2 200 400 700 5-11 m 3-10 m
Annex I4 - Aerorkomrs
5.4.1.8 Signs shall be retmflective and/or illuminated in 5.4.1.11 RecommendatSon- The time interval to
accordance with the provisions of Appendix 4 when intended change from one message to another on a van'abIe message
for use at night in association with non-instrument runways sign shodd be as stson as pmcticable and should not exceed
where the code number is 1 or 2. 5 seconcLF.
5.4.1.9 A variable message sign shall show a blank face
when not in use. 5.4.2 Mandatory instruction signs
5.4.1.10 In case of failure, a variable message sign shall Note.- See Figure 5-28 for pictorial representation of
not provide information that could lead to unsafe action from mandatoiy instruction signs and Figum 5-30for exanlples of
a pilot or a vehicle driver. locating signs at tm'wuflrunw intersections.
LEFT SIDE RIGHT SIDE
-
LOCATIONIRUNWAY DESIGNATION B RUNWAY DESlGNATlONlLOCATlON
RUNWAY HOLDING POSITION RUNWAY DESIGNATION1
CATEGORY II HOLDING POSITION
I LOCATIONIRUNWAY DESIGNATION RUNWAY DESIGNATIONILOCATION
NO ENTRY
[25 CAT IT]
Figure 5-28. Mandatory instruction signs
5-55
Annex I4 - Aerodkanrrs Volume I
LEFT SIDE RIGHT SIDE
I
I I
RUNWAY EXIT
LOCATION
I
RUNWAY EXlT
LOCATIONlDl RECTlON r LOCATlONIRUNWAY VACATED RUNWAY VACATEDILOCATION
I
INTERSECTION TAKE OFF
Figure 5-29. Information signs
Annex 14 - Auorliomn
Note: Distance X is established in accwdance with Table 3-2. Disrance Y is established at the edge of the ILSIMLS criticallsensitive area.
Figun 5-30. Examples of sign pitions at taxiwayhunway intemctions
5-57
Annex 14 - Aerodromes
Application 5.4.2.11 A runway-holding position sign shall be located
on each side of the runway-holding position established in
5.4.2.1 A mandatory instruction sign shall be provided to accordance with 3.12.3. facing the approach to the obstacle
identify a location beyond which an aircraft taxiing or vehicle limitation surface or ILSIMLS criticaVsensitive area, as
shall not proceed unless authorized by the aerodrome control appropriate.
tower.
5.4.2.2 Mandatory instruction signs shall include runway Chara~t~stim
designation signs, category 1, It or It1 holding position signs,
runway-holding position signs, road-holding position signs 5.4.2.12 A mandatory instruction sign shall consist of an
and NO ENTRY signs. inscription in white on a red background.
Note.- See 5.4.7 for specijiiationr on road-holding 5.4.2.13 The inscription on a runway designation sign
position signs. shall consist of the runway designations of the intersecting
runway properly oriented with respect to the viewing position
5.4.2.3 A nmway-holding position marking of the sign, except that a runway designation sign installed in
shall be supplemented at a taxiwayhway intersection or a of a runway may show Ihe runway
runwaylrunway intersection with a runway designation sign. designation of the concerned runway extremity only.
5.4.2.4 A pattern " B runway-holding position marking 5.4.2.14 The inscription on a category I, lI, III or joint
shall be supplemented with a category 1, 11 or 111 holding I1fl1l position sign consist of the runway
position sign. designator followed by CAT I. CAT 11, CAT 111 or CAT IMlI,
as appropriate.
5.4.2.5 A pattern "A" runway-holding position marking at
a runway-holding position established in accordance with
3.12.3 shall be supplemented with a runway-holding position
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