787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Warning Systems -
System Description
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC 15.20.17
When the TCAS cyan message TFC is displayed on the ND and the TA is within
the display range of the ND, the TCAS TA Traffic symbol and its accompanying
data tag are displayed on the ND.
The TA Traffic symbol is a filled amber circle. The TA data tag contains the
altitude and the vertical motion arrow.
For no–bearing TAs, the amber TA label is displayed below the TRAFFIC
message, and the TA data tag information is displayed to the right of the label. The
TA labels are displayed below the RA labels. The TA data tag contains the
distance, altitude, and vertical motion arrow.
When the TA is further from the airplane than the ND range currently displayed,
the TCAS amber message OFFSCALE is displayed on the ND.
Proximate Traffic Display
Proximate traffic is another airplane that is neither an RA or a TA but is within:
• six miles
• 1,200 feet vertically
When the TCAS cyan message TFC is displayed on the ND, and the Proximate
Traffic is within the ND display range, the TCAS Proximate Traffic symbol is
displayed on the ND.
The TCAS Proximate Traffic symbol is a filled white diamond. If the other
airplane is providing altitude data, the Proximate Traffic data tag is displayed on
the ND. The proximate traffic data tag contains the altitude and vertical motion
arrow.
Other Traffic Display
Other Traffic airplane is an airplane that is within the ND display limits but is
neither an RA, a TA, or a proximate traffic airplane. When TCAS is not receiving
and processing altitude data from the Other Traffic airplane the Other Traffic
airplane becomes a Proximate Traffic airplane automatically when within six
miles.
When the TCAS cyan message TFC is displayed on the ND and the Other Traffic
is within the ND display range, then the TCAS Other Traffic symbol is displayed
on the ND.
The TCAS Other Traffic symbol is a hollow white diamond. When TCAS is
receiving and processing altitude data from the Other Traffic airplane, a data tag
like that described in Proximate Traffic Display is displayed.
February 15, 2010
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