TRAFFIC ALERT AND COLLISION AVOIDANCE SYSTEM (TCAS) (Cont)
PFD TCAS INDICATIONS
Resolution Advisories are presented on the PFD.
The word TRAFFIC appears below the altitude strip display on the PFD in the colors indicated below:
- Red TRAFFIC appears for a Resolution Advisory (RA)
- Amber TRAFFIC appears for a Traffic Advisory (TA)
- White TCAS TEST appears when the system is tested
- White TA ONLY appears when RA is inhibited
- White TCAS OFF appears when the system is off
The failure messages appear on the VSI and MFD. They are:
- TCAS RA FAIL
- TCAS FAIL
TCAS RESOLUTION ADVISORIES (RA) INHIBITS
TCAS Resolution Advisories (RA) and some aural alerts are inhibited below certain radio altitudes. Radio altitudes and the
associated RA status are as follows:
RADIO ALTITUDE
RESOLUTION ADVISORY (RA) STATUS
Below 900 ft AGL, descending
Below 1100 ft climbing
All RA’s inhibited. (TA ONLY) and TA Aural message inhibited
Below 1000 ft AGL descending
Below 1200 ft climbing
“DESCEND RA” inhibited
Below 1450 ft AGL
“INCREASE DESCENT” inhibited
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