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for possible traffic conflicts.
During instrument meteorological conditions,
TIS must not be used for maneuvering when
no visual contact exists with other aircraft.
TRAFFIC ADVISORY SYSTEM
As a substitute for the standard G1000 traffic
information service (TIS), an optional
traffic advisory system (TAS) is available.
TIS and TAS have similar functions and indications.
However, while TIS is dependent
upon TIS-enabled ground stations to detect
and report traffic, TAS directly detects and
identifies traffic with an onboard interrogator.
As a result, TAS can operate anywhere,
not only in places with TIS-enabled ground
stations. Also, because it is direct, TAS is
faster, updating every half-second (TIS updates
every 5 seconds).
TAS cannot detect all traffic hazards.
TAS is only effective at identifying
traffic with an operating transponder.
Only aircraft with a transponder
operating in Mode C (altitude
encoding) or Mode S (data link) can
be identified by relative altitude. It
is the pilot’s responsibility to see and
avoid traffic. Do not rely on TAS to
avoid traffic instrument meteorological
conditions (IMCs).
When equipped with TAS, the Citation Mustang
uses the Honeywell KTA 870 (refer to the
Honeywell KTA 870 Pilot’s Guide).The unit
connects to the MFD through GIA. Indications
are provided on the MFD and PFD, and aural
alerts through the audio panel.
TAS Traffic Symbols
Traffic indications are similar to those previously
described for TIS. On MFD/PFD
maps that display traffic, the following sym-
WARNING
510OM-00 16-47
CITATION MUSTANG OPERATING MANUAL
bols appear to indicate traffic that the TAS
unit has identified:
• Solid yellow dot—Aircraft with TAS
range, and a traffic hazard/threat
• Yellow/black dot (on outer ring)—
Aircraft outside TAS range; whether
traffic hazard threat or not is unknown
• Solid white diamond—Proximity traffic
not an apparent hazard/threat, but approaching
your altitude
• Hollow white diamond—Proximity traffic,
all other
• “TA” text with data—Nonbearing traffic
(bearing unknown), text includes distance,
altitude, and trend, if known. (On
the TRAFFIC MAP page, this message
displays near the center of the map).
Digits appear above or below the symbol, indicating
the difference between the aircraft’s
altitude and the other aircraft’s altitude. The
digits are above the symbol when the aircraft
is above, and below the symbol when the aircraft
is below. Also, a minus (–) symbol before
the digits indicates the aircraft is below,
and a plus (+) symbol before the digits indicates
the aircraft is above. A down arrow beside
the symbol indicates that the other aircraft
is climbing (at 500 fpm or more).
MAP–TRAFFIC MAP Page and
TAS Controls
To view TAS indications exclusively or to adjust
TAS settings, switch to the MAP–TRAFFIC
MAP page (use the large FMS knob to
select the MAP page group and the small FMS
knob to select the TRAFFIC MAP page).
The system self-test verifies operation of the
aural warning when the STANDBY softkey is
pressed, followed by pressing the TEST softkey;
in approximately 8 seconds, three different
traffic symbols appear and the aural
message “TAS system test OK” is heard. (If
the test fails, a different message is heard).
On the MAP–TRAFFIC MAP page, pressing
the OPERATE softkey activates TAS,
which begins displaying transponder-operating
traffic in the area. The alert “TAS OPERATING”
appears in the upper left corner of
the TAS display.
To adjust the altitude-based traffic altering function,
use the ALT MODE softkey. Select the
threat zone to monitor: BELOW (current altitude),
NORMAL (within feet of current
altitude), ABOVE, or UREST (unrestricted).
Rotate the RANGE/PAN joystick knob to
change viewing range, and move the joystick
knob vertically or horizontally to pan
the display.
TAS on Other MFD/PFD Maps
TAS indications can be viewed on other MFD
maps, and on the PFD inset map, by pressing
the MAP softkey below the corresponding
page, followed by the TRAFFIC softkey.
NOTE
The TRAFFIC softkey label is black
letters on a gray background when
TAS is active on that map.
AIRBORNE WEATHER
RADAR
A GWX 68 airborne weather radar provides
precipitation returns and ground-mapping
returns. The radar primarily assists the pilot
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