Chapter 8 Traffic Display Interface; Traffic Symbology; Relative Altitude - Sandel SN4500 Pilot's Manual

CHAPTER 8 TRAFFIC DISPLAY INTERFACE
The SN4500 can display nearby transponder equipped aircraft
when interfaced with a compatible TAS or TCAS processor. Please
refer to the Pilot's Guide for the specific traffic system installed in
the aircraft for a complete description of the capabilities.
Note: The SN4500 can be interfaced to a TCAS II processor but will
function only as a traffic display as vertical guidance information
required for conflict resolution will not be displayed.
Traffic Display
Mode
Figure 8-1 SN4500 with Traffic

Traffic Symbology

The SN4500 uses standard RTCA symbology to represent traffic.
Alerting Traffic
DISPLAY CONDITION
Resolution Advisory
(RA) (Available with
TCAS II Only)
82009-PG, REV D SANDEL SN4500 PILOT'S GUIDE
TRAFFIC DISPLAY INTERFACE
2m Range Ring
Traffic Targets
DESCRIPTION
Immediate threat that
requires evasive action.
Note: Vertical
guidance information is
NOT shown on the
SN4500 display.
PAGE 8-1
Traffic Advisory (TA)
Traffic Alert
No Bearing / No
Altitude
Traffic Alert
No Bearing
Non-Alerting Traffic
DISPLAY CONDITION
Proximity Advisory
Other Traffic
Out of Range Traffic

Relative Altitude

Relative altitude in hundreds of feet and vertical trend information
are also given for each target aircraft. Note: Values greater than
9900 feet are shown as '99'.
82009-PG, REV D SANDEL SN4500 PILOT'S GUIDE
TRAFFIC DISPLAY INTERFACE
Traffic within 15-30
seconds of closure, or
within 0.20 to 0.55nm
and +/-600 to +/-800 ft
of your aircraft
Alerting traffic with no
bearing and no altitude
information available.
Alerting traffic with no
bearing information
available.
DESCRIPTION
Traffic within 4nm and
+/-1,200 ft of your
aircraft
Traffic not representing
an immediate threat
RA and TA targets
outside of the currently
selected display range
will be shown as a half
symbol against the
compass rose at the
corresponding bearing.
PAGE 8-2