R 1EFF : 001-049, 101-149, 151-199, 201-299, 1 34-43-00Page A0 1301-399, 401-499, 1Aug 01/05 1 1 1CES 1 1EFF : ALL 1 34-43-00Page A1 1 1 Aug 01/05 1 1 1CES 1
R - TRAFFIC ADVISORY: amber filled circle, diameter 5 mm
R - RESOLUTION ADVISORY: red filled square, side 5 mm.
R The display only presents the eight most threatening intruders
R (number determined through program pins on the TCAS computer).
R The own aircraft is represented by the aircraft symbol at the
R center of the dial in ROSE mode and at the lower quarter and at the
R center of the image in ARC mode.
R A white range ring with markings at each of the twelve clock
R positions is placed around the own aircraft symbol at a radius of
R 2.5 NM.
R The following figure shows an example of the display on the ND:
R
R (Ref. Fig. 025)
R These indications are only presented for the 10, 20 and 40 NM range
R selections. If a TA or RA type intruder is detected and the display
R range is at a higher scale, the following message comes into view
R at the center of the display, in red for RA and in amber for TA:
R REDUCE RANGE
R If a TA or RA type intruder is detected and the ND mode is
R inadequate for display, the following message comes into view at
R the center of the display in the same colors as above:
R CHANGE MODE
R The TCAS can detect an intruder without acquiring its bearing (for
R instance, multipath problem). In this case its range, relative
R altitude and an arrow are displayed in the TCAS area (at the bottom
R of the ND).
R The color of the display is the same as the color of the intruder
R symbol.
R (Ref. Fig. 026)
R OFF SCALE intruder: if only a half of a symbol is displayed, the
R target is defined as an off scale intruder. This calls for
R increasing the range selection on the ND.
R **ON A/C 051-099,
R G. Information Display
R The TCAS information is presented on the CAPT and F/O NDs of the EFIS
R system. Additional messages can also be presented on the display units of
R the ECAM system.
R (1) Traffic information on the ND
R Target aircraft are presented on the ND in ROSE or ARC mode but not
R in PLAN mode.
R These traffic indications show the situation in the surveillance
R zone.
TCAS - ND Data Display Figure 025
R 1EFF : 1 1 1CES ALL 1 111 34-43-00 Page A2 May 01/05
TCAS - Display of Intruders on ND Figure 026
1EFF : 1 1R 1CES ALL 1 11 1 34-43-00 Page A3 May 01/05
R The aircraft present in this zone are represented by symbols whose
R shape and color correspond to the type of intruders defined in the
R TCAS.
R The symbols are positioned on the ND so as to depict their relative
R bearing and range. Data tags are associated with intruders.
R These tags consist of:
R - two digits indicating their relative altitude in hundreds of feet
R - a symbol indicating whether the intruder is above (+) or below (-)
R the aircraft.
R An arrow to the right of the symbol indicates the vertical trend of
R the aircraft.
R Targets are symbolized according to their type:
R - PROXIMATE TRAFFIC: white filled diamond, height 7 mm
R - TRAFFIC ADVISORY: amber filled circle, diameter 5 mm
R - RESOLUTION ADVISORY: red filled square, side 5 mm.
R The display only presents the eight most threatening intruders
R (number determined through program pins on the TCAS computer).
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