R Mod : 3832 or 8259
ATR 42 Model : 400/500
TCAS
COMMUNICATIONS
P 2
NOV 01
060
1.05
.
20
(D)Mode S :
Type of secondary surveillance radar (SSR) equipment which provides replies to
mode A and Mode C interrogations and discrete address interrogations from the
ground or air.
(E) Preventive resolution advisory :
A resolution advisory that advises the pilot to avoid certain deviations from the
current vertical speed because certain vertical speed restrictions exist.
(F) Proximate traffic :
Nearby aircraft within
"
850 ft and 6NM which are neither an RA nor a TA.
(G) Resolution advisory (RA) :
Oral and visual information provided to the flight crew to avoid a potential collision.
(H) Threat :
A target that has satisfied the threat detection logic and thus requires a resolution
advisory.
(I) Traffic advisory (TA) :
Information given to the pilot pertaining to the position of another aircraft in the
immediate vicinity. The information contains no resolution information.
AA
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