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5.2.13.9 Recommendation.- A turn bar should be
located at right angles to the lead-in line, abeam the left pilot
position at the point of initiation of any intended turn. It
should have a length and width of not less than 6 m and 15 cm,
respectively, and include an arrowhead to indicate the
direction of turn.
Note.- The distances to be maintained between the turn
bar and the lead-in line may vary according to dzfferent
aircrafi Qpes, taking into account the pilot Sjield of view.
5.2.13.10 Recommendation.- Ifmore than,one turn bar
andlor stop line is required, they should be coded.
5.2.13.1 1 Recommendation.- An alignment bar should
be placed so as to be coincident with the extended centre line
of the aircrafr in the specz9ed parking position and visible to
the pilot during the final part of the parking manoeuvre. It
should have a width of not less than 15 cm.
5.2.13.12 Recommendation, A stop line should be
located at right angles to the alignment bar, abeam the left
pilot position at the intended point of stop. It should have a
length and width of not less than 6 m and 15 cm, respectively.
Note.- The distances to be maintained between the stop
line and the lead-in line may vary according to dzfferent
aircrafi types, taking into account the pilot's field of view.
5.2.14 Apron safety lines
Note.- Guidance on apron safety lines is contained in the
Aerodrome Design Manual, Part 4.
Application
5.2.14.1 Recommendation.- Apron safety lines should
be provided on a paved apron as required by the parking
configurations and ground facilities.
Location
5.2.14.2 Apron safety lines shall be located so as to
define the areas intended for use by ground vehicles and other
aircraft servicing equipment, etc., to provide safe separation
from aircraft.
Characteristics
5.2.14.3 Recommendation.- Apron safety lines should
inrlude such elements as wing tip clearance lines and service
road boundary lines as required by the parking configurations
and ground facilities.
5.2.14.4 Recommendation.- An apron safely line should
be continuous in length and at least 10 cm in width.
5.2.1 5 Road-holding position marking
Application
5.2.15.1 A road-holding position marking shall be
provided at all road entrances to a runway.
5.2.15.2 The road-holding position marking shall be
located across the road at the holding position.
Characteristics
5.2.15.3 The road-holding position marking shall be in
accordance with the local road traffic regulations.
5.2.16 Mandatory instruction marking
Note.-- Guidance on mandatory instruction marking is
given in the Aerodrome Design Manual, Part 4.
Application
5.2.16.1 Where it is impracticable to install a mandatory
inshuction sign in accordance with 5.4.2.1, a mandatory
instruction marking shall be provided on the surface of the
pavement.
5.2.16.2 Recommendation.- Where operationally
required, such. as on taxiways exceeding 60 m in width, a
mandatory instruction sign should be supplemented by a
mandatory instruction marking.
5.2.16.3 The mandatory instruction marking shall be
located on the left-hand side of the taxiway centre line
marking and on the holding side of the runway-holding
position marking as shown in Figure 5-9. The distance
between the nearest edge of the marking and the runwayholding
position marking or the taxiway centre line marking
shall be not less than I m.
5.2.16.4 Recommendation.- Except where operationally
required, a mandatory instruction marking should
not be located on a runway.
Annex I4 -Aerodromes
5.2.16.5 A mandatory instruction marking shall consist of
an inscription in white on a red background. Except for a NO
ENTRY marking. the inscription shall provide information
identical to that of the associated mandatory instruction sign.
5.2.16.6 A NO ENTRY marking shall consist of an
inscription in white reading NO ENTRY on a red background.
5.2.16.7 Where there is insufficient contrast between the
marking and the pavement surface, the mandatory instruction
marking shall include an appropriate border. preferably white
or black.
5.2.16.8 Recommendation.- The chamcter height
should be 4 m. The inscriptions should be in the form and
proportions shown in Appendix 3.
5.2.16.9 Recommendation.- The background should be
rectangular and extend a minimum of 0.5 m latemll~v and
v~rticallyb eyond the extmmities of the inscription.
5.2.17 Information marking
Note.- Guidance on information markittg is contained in
the Aerodrome Design Manual. Part 4.
Application
5.2.17.1 Where an information sign would normally be
　
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