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On Path Weather Vs. Off Path Weather - Honeywell IntuVue RDR-4000 Pilot's Manual

3-d automatic weather radar system with forward looking windshear detection for airbus sa/lr aircraft
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IntuVue RDR-4000 Weather Radar Pilot's Guide
The following pictures demonstrate some of the improved features of
the RDR-4000 Weather Radar System.
CONVENTIONAL RADAR
IMPROVED CLUTTER REJECTION / ENHANCED WEATHER PRESENTATION
IMPROVED CLUTTER REJECTION/ENHANCED WEATHER PRESENTATION

ON PATH WEATHER VS. OFF PATH WEATHER

The ALL/ALL WX and ON PATH/ PATH WX modes are used for the
strategic detection of weather. This fully automatic weather detection is
enabled by the 3D volumetric memory. In these modes, on path
weather, or weather near the altitude of the intended flight path, is
displayed as distinct from off path weather, which is further removed in
altitude from the flight path. The result is a presentation of weather
information that is intuitive, improves awareness of the entire weather
situation, and reduces the potential for misinterpretations, thus reducing
crew workload.
The separation of on path from off path weather is based on several
parameters:
Aircraft altitude
Flight phase (climb, level flight or descent)
Flight path
Presence of convective weather.
D201002000008
Rev 1, December 2014
(ALBUQUERQUE ~70 NM, RIGHT OF TRACK)
RDR-4000
Technical Operation
53

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