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Rev 2 Apr/2004 KMD 250 Pilot’s Guide
3-5
Section 3
Traffic Avoidance
TAS/TCAS SYMBOLOGY
NON-THREAT TRAFFIC
An open white diamond indicates that an intruder is not yet
considered a threat. For specifics on relative distance and
altitude that defines this symbol, please refer to the pilot’s
guide that is provided with the traffic avoidance system. This one is 200
feet above your own altitude, climbing at 500 feet per minute or greater.
PROXIMITY INTRUDER TRAFFIC
A filled white diamond indicates that the intruding aircraft has
reached the next proximity threshold defined by the traffic
avoidance system, but is still not considered a threat. For
specifics on relative distance and altitude that defines this symbol,
please refer to the pilot’s guide that is provided with the traffic avoidance
system.This intruder is now 400 feet below your aircraft and climbing at
500 feet per minute or greater.
TRAFFIC ADVISORY (TA)
A symbol change to a filled yellow circle indicates that the
intruding aircraft is considered to be potentially hazardous.
Depending on your own altitude the system will display a TA
when time to Closest Point of Approach (CPA) is reached as defined by
traffic avoidance system. For specifics on CPA as defined by the
system, please refer to the pilot’s guide that is provided with the traffic
avoidance system. Here the intruder is 100 feet above your aircraft,
descending at 500 feet per minute or greater.
RESOLUTION ADVISORY (RA)
This symbol will only be displayed when the KMD 250 is inter-
faced with a TCAS II system. A solid red square indicates that
the intruding aircraft is projected to be a collision threat. TCAS
Figure 3-1
Relative Altitude Mode
Figure 3-2
Absolute Altitude Mode
TAS/TCAS