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List of
Resolution
Advisories
change 7.0
RESOLUTION ADVISORY AUDIO MESSAGE
CLIMB
DESCENT
“Climb, Climb”
“Descend, Descend”
CROSSOVER
CLIMB
CROSSOVER
DESCENT
“Climb, Crossing Climb-
Climb, Crossing Climb”
“Descend, Crossing Descend-
Descend, Crossing Descend”
VERTICAL SPEED RESTRICTED
(CLIMBING OR DESCENDING)
“Adjust Vertical Speed, Adjust”
ANY WEAKENING OR
SOFTENING OF AN RA
“Adjust Vertical Speed”
PREVENTATIVE ADVISORY “Monitor Vertical Speed”
MAINTAIN EXISTING
VERTICAL SPEED
“Maintain Vertical Speed,
Maintain”
MAINTAIN EXISTING VERTICAL
SPEED WHILE CROSSING
THREAT’S ALTITUDE
“Maintain Vertical Speed,
Crossing Maintain”
CHANGE FROM CLIMB TO
DESCENT
CHANGE FROM DESCENT TO
CLIMB
INCREASE CLIMB RATE
INCREASE
DESCENT RATE
“Descend, Descend NOW -
Descend, Descend NOW”
“Climb, Climb NOW -
Climb, Climb NOW”
“Increase Climb -
Increase Climb”
“Increase Descent -
Increase Descent”
The following Resolution Advisories are changes from
those previously issued and require two and one half
seconds response time and up to .35 G.
38
ACS-5059 • Rev 5 - 02/2000
Collision Avoidance System User’s Manu a l
39
ACS-5059 • Rev 5 - 02/2000
Collision Avoidance System User’s Manu a l
SECTION 3
Controls and Displays
Transponder/TCAS Control Unit;CTA-81A,CTA-81B,CTA-81C . . . . . . . . . . . 40
Weather Radar Indicators;RDR-4,RDR-1F, RDR-1E . . . . . . . . . . . . . . . . . . . . . 45
Weather Modes Message Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
TCAS Mode Message Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Fault Message Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Fault Annunciations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
ITA-81A Dedicated TCAS Traffic Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
IVA-81B RA/VSI Resolution Advisory/Vertical Speed Indicator . . . . . . . . . . . . 56
IVA-81A/IVA-81D TA/VSI Traffic Advisory/Vertical Speed Indicator . . . . . . . . 57
Typical TA/VSI Scenarios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
40
ACS-5059 • Rev 5 - 02/2000
Collision Avoidance System User’s Manu a l
CTA-81A DUAL MODE S/TCAS CONTROL UNIT
CTA-81C SINGLE MODE S/TCAS CONTROL UNIT
(CTA-81A SHOWN)
Transponder/
TCAS
Control
Unit;
CTA-81A,
CTA-81B,
CTA-81C
CTA-81A,
CTA-81B,
CTA-81C
Controls
and Displays
CTA-81B MODE S/ATCRBS/TCAS
CONTROL UNIT
The CTA-81 ( ) Control Unit is the master control
for both the TCAS system and transponder.The CTA-
81A controls two Mode S transponders.The CTA-81B
controls one Mode S transponder and one ATCRBS
transponder.The CTA-81C controls one Mode S
transponder.
NOTE: Controls vary depending on CTA-81 ( ) configuration
installed.Control functions same as typical
unit shown.
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ACS-5059 • Rev 5 - 02/2000
Collision Avoidance System User’s Manu a l
The Display Window Displays ATC code
selection and whether transponder No.
1 or No.2 is active.The R blinks indicating
interrogation reply of ATCRBS
transponder only.
ATC 1-2 selects the active transponder.
The other unit is placed in standby.
ALT ON/OFF turns altitude source ON
or OFF.
Concentric knobs select ATC code in
code window.
The ATC FAIL Lamp indicates failure of
the selected transponder.
ATC IDENT initiates IDENT feature for
ATC.
ALT 1-2 (CTA-81A) or ALT SOURCE
1/OFF/2 (CTA-81B) selects one of two
altitude sources Air Data Computer No.
1 or No.2.OFF position disables altitude
squawk.
(Pushbutton)
42
ACS-5059 • Rev 5 - 02/2000
Collision Avoidance System User’s Manu a l
The TCAS RANGE Selector selects the
Traffic Advisory display range in nautical
miles.
The FL pushbutton (Center of TCAS
Range Knob) replaces intruder’s relative
altitude with absolute altitude in flight
level format for 15 seconds.During this
period your own altitude, expressed as
flight level,is displayed.After 15 seconds
flight level reverts back to relative altitude.
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本文链接地址：
TCASII/ACASII Collision Avoidance System User’s Manual(7)
