User Manual
Reference number: 4111A-RADAR4600-GBD-R1.1
Date: 27 February 2018
Page 116 of 149
AIS aids to navigation – Physical
Physical AIS aids to navigation (AtoN) shall be
presented as an open diamond. The sides of the
diamond shall be not more than 6 mm in length.
The diamond shall be drawn using a thin solid line
style.
The basic colour for an “on position” AIS AtoN is
defined as the normal colour for AIS AtoN symbols.
The basic colour for the diamond of an “off position”
AIS AtoN is yellow, it shall be drawn using thick solid
line style and when used against light background it
shall include a black one pixel outline to improve
readability.
If available, on radar display AIS AtoN shall be drawn
indicating the purpose of the AIS AtoN. On display
containing an underlying chart AIS AtoN shall be
drawn without indication of purpose unless the
object is selected in which case, if available, the
symbol is drawn indicating the purpose of the AIS
AtoN. Purpose symbol shall be drawn using a thin
solid line style and shall be the same basic colour as
the AIS AtoN symbol. The height of the purpose
symbol shall be not more than 5 mm in length.
AIS AtoN shall indicate off position of floating aid
with yellow text “Off Posn”. AIS AtoN shall indicate
failure of light with yellow text “Unlit”. AIS AtoN shall
indicate failure of Racon with yellow text “Racon err”.
When used against light background the yellow text
may include a black one pixel outline to improve
readability.
AIS AtoN may be labelled. Alphanumeric text used to
label an AIS AtoN shall be the same basic colour as
the AIS AtoN symbol.
Other information from AIS AtoN, if available (for
example from Message 14 for the same MMSI), shall
be available on demand.
All physical AtoNs shall be in their own layer which
shall have own display on/off selection
