Beechcraft C-12C Operator And Technical Reference Manual page 565

MESSAGE
Traffic Advisory Annunciation
Traffic; Traffic
Resolution Advisory Annunciations (Maneuver should begin within 5 seconds)
Climb; Climb; Climb
Climb-Crossing Climb; Climb-Crossing Climb
Reduce Climb; Reduce Climb
Descend; Descend; Descend
Descend, Crossing Descend; Descend, Crossing
Descend
Reduce Descent; Reduce Descent
Monitor Vertical Speed; Monitor Vertical Speed
Increased Action Resolution Advisory Annunciations (Maneuver should begin within 2 1/2 seconds)
Increase Climb; Increase Climb
Increase Descent; Increase Descent
Climb-Climb Now; Climb, Climb Now
Descend, Descend Now; Descent, Descend Now
Threat Situation Resolved
Clear of Conflict
f. Traffic Display.
differentiated by shape and color are used to display
intruders around your own aircraft.
symbols represent Other Traffic, Proximate Traffic, TA,
and RA.
(1) Off-Scale and No-Bearing Traffic. When
an intruder is outside the indicator display range, the
symbol associated with it will be a partial one shown at
the outside edge of the display at the relative bearing
to the target. As the aircraft moves into the display
range, the symbol will become a full symbol as it
moves into the display area. When the TCAS cannot
compute bearing information on an RA or TA intruder,
a text message will be displayed. For example, RA
Table 3C-111. Aural Annunciator Messages
Four types of symbols
The different
INTERPRETATION
Traffic has entered 20 to 48-second envelope.
Symbol has changed to solid yellow circle.
Climb at rate shown on vertical speed indicator.
Climb at rate shown on vertical speed indicator. Flight
path will cross intruder's flight path.
Reduce rate of climb to that on vertical speed
indicator.
Descend at rate shown on vertical speed indicator.
Descend at rate shown on vertical speed indicator.
Flight path will cross through intruder's flight path.
Reduce rate of descent to that shown on vertical
speed indicator.
Monitor present vertical speed to prevent entering
restricted (red arc) vertical speed.
Follows "Climb" advisory due to intruding aircraft's
maneuvering. Rate of climb of own aircraft should be
increased.
Follows "Descend" advisory due to intruding aircraft's
maneuvering. Rate of descent of own aircraft should
be increased.
Follows "Descend" advisory when reversal of vertical
speed is required due to maneuvering of intruding
aircraft.
Follows "Climb" advisory when reversal of vertical
speed is required due to maneuvering of the intruding
aircraft.
Intruding aircraft is no longer a threat.
1.4-10n IS A RESOLUTION ADVISORY DUE TO AN
AIRCRAFT 1.4 MILES DISTANT, 1000 FEET BELOW
YOUR AIRCRAFT AND CLIMBING. The text for an
RA will be red and a TA will be yellow.
(2) Other Traffic.
diamond indicates an Other Traffic intruder.
represents an aircraft greater than 6 nm away and/or
greater than ± 1200 feet altitude relative to your
aircraft.
(3) Proximate Traffic.
intruder is displayed as a cyan or white solid diamond.
It represents an aircraft within 6 nm and ± 1200 feet
relative altitude. These aircraft are not considered a
TM 1-1520-218-10
A cyan or white open
It
A Proximate Traffic
3C-211