Embraer EMB145, Operation Manual

Page: 1688 / 2662

AIRPLANE
OPERATIONS
MANUAL
CREW
AWARENESS
REVISION 38
2-04-40
Page
9
Code
01
A
O
M-145/1
114
TYPE MESSAGE MEANING REMARKS
DESCEND,
CROSSING
DESCEND
Descend at the indicated
vertical speed on the VSI
to clear possible conflict.
During descend, airplane
will cross intruder’s flight
level. See NOTE 1.
INCREASE
CLIMB
Climb speed has to be
increased to the
recommended value to
clear the possible conflict. Vertical Speed must be
2500 ft/min or greater.
CORRECTIVE
RA
INCREASE
DESCENT
Descent speed has to be
increased to the
recommended value to
clear the possible conflict.
Vertical Speed must be
2500 ft/min or greater.
−
For TCAS software
version 6.04, this
message is inhibited
below 1450 ft AGL.
−
For TCAS software
version 7.0, this
message is inhibited
below 1450
ft AGL
while descending and
below 1650
ft AGL
while climbing.
CLIMB, CLIMB
NOW!
After a descent advisory,
TCAS detected a changing
situation that requires the
need to climb.
–
DESCEND,
DESCEND NOW!
After a climb advisory,
TCAS detected a changing
in situation that requires
the need to descend. See NOTE 1.
CLEAR OF
CONFLICT
The possible conflict has
been cleared. Message is
presented only if intruder’s
transponder signal is valid. Not presented if the
intruder track or altitude
information is lost.
NOTE: 1) Inhibited below 1000 ft AGL while descending and below
1200 ft AGL while climbing.
2) All RAs are inhibited below 400 ft AGL while descending
and below 600 ft AGL while climbing.
3) For TCAS software version 6.04, RA messages are
repeated three times (one-word messages) and twice
(two-word messages).
For TCAS software version 7.0, all RAs are repeated
twice.
4) TA message sounds once.
5) The bearing indication on the TCAS display does not
affect the TA/RA triggering logic.