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installed and is impractical to install, as determined by the
appmpriate authority, an information marking shall be
displayed on the surface of the pavement
5.2.1 7.2 Hecommendation.- Where ope~tionallv
required an information sign should be supplemented by an
information marking.
5.2.17.3 Recommendatim.- An information (locatiod
direction) marking should be displayed prior to and following
complex taxiway intersections and where operational
experience has indicated the addition of a taxiwa.v lnration
marking could assist Jlight crew ground navigation.
5.2.17.4 Recommendation.- An infonnation (location)
manking should be displaved on the pavement surface at
regular intervals along taxiways of great kngth.
5.2.17.5 Recommendation- The information marking
should be display~da cross the surface of the taxiwav or apron
whew necessaly and positioned so as to be legible porn the
cockpit of an appmaching aircrafi.
5.2.17.6 An information marking shall consist of:
a) an inscription in yellow upon a black background. when
it replaces or supplements a location sign; and
4.- To runway '09' I I "1 4-A - Ilmmnm
-Y-Im mnm
I1
Figure 5-9. Mandatory inbtmction marking
5-15
Annex 14 - Aerodromes Volume I
b) an inscription in black upon a yellow background, when
it replaces or supplements a direction or destination
sign.
5.2.17.7 Where there is insufficient contrast between the
marking background and the pavement surface, the marking
shall include:
a) a black border where the inscriptions are in black; and
b) a yellow border where the inscriptions are in yellow.
5.2.17.8 Recommendation.- The character height
should be 4 m. The inscriptions should be in the form and
proportions shown in Appendix 3.
5.3 Lights
5.3.1 General
Lights which may endanger
the safety of aircraft
5.3.1.1 A non-aeronautical ground light near an aerodrome
which might endanger the safety of aircraft shall be
extinguished, screened or otherwise modified so as to eliminate
the source of danger.
Laser emissions which may endanger
the safety of aircraft
5.3.1.2 Recommendation.-To protect the .safety of
aircraft against the hazardous effects of laser emitters, the
following protected zones should be established around
aerodromes:
- a laser-beam free flight zone (LFFZ)
- a laser-beam critical flight zone (LCFZ)
- a laser-beam sensitive jlight zone (LSFZ).
Note 3.- The protected jlight zones are established in
order to mitigate the risk of operating laser emitters in the
vicinity of aerodromes.
Note 4.- Further guidance on how to protect jlight
operations fronz the hazardous effects of laser emitters is
contained in the Manual on Laser Emitters and Flight Safety
(Doc 9815).
Note 5.- See also Annex 11 - Air Traffic Services,
Chapter 2.
Lights which may cause confusion
5.3.1.3 Recommendation.- A non-aeronautical ground
light which, by reason of its intensiv, configuration or colour,
might prevent, or cause conjusion in, the clear interpretation
of aeronautical ground lights should be extinguished, screened
or otherwise modified so as to eliminate such a possibility. In
particular, attention should be directed to a non-aeronautical
ground light visible from the air within the areas described
hereunder:
a) Instruntent runway - code number 4:
within the areas before the threshold and beyond the end
of the runway extending at least 4 500 m in length from
the threshold and runway end and 750 m either side ofthe
extended runway centre line in width.
b) Instrument runway - code number 2 or 3:
as in a), except that the length should be at least 3 000 m.
C) Instrument runway - code number I;
and non-instrument runway:
within the approach area.
Aeronautical ground lights which may cause
confusion to mariners
Note 1.- Figures 5-10, 5-11 and 5-12 may be used to Note.- In the case of aeronautical ground lights near
determine the exposure levels and distances that adequately navigable waters, consideration needs to be given to ensuring
protect .flight operations. that the lights do not cause confusion to mariners.
Note 2.- The restrictions on the use of laser beams in the
three protected flight zones, LFFZ, LCFZ and LSFZ, refer to
visible laser beams only. Laser emitters operated by the Light fixtures and supporting structures
authorities in a manner compatible with flight safety are
excluded. In all navigable air space, the irradiance level of Note.- See 9.9 for information regarding siring of
any laser beam, visible or invisible, is expected to be less than equipment and installations on operational areas, and the
　
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