Weather mapping and interpretation, Observing weather – BendixKing IN-182A System RDR-2000 User Manual

Page 24

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WEATHER MAPPING AND INTERPRETATION

This section contains general information on use of radar for weather
interpretation. Review of this information will assist the operator in using
radar.

Note: The ability of a weather radar system to display weather returns is
dependent upon the radome Transmission Efficiency. Bendix/King rec-
ommends a 90% average/85% minimum transmission efficiency. Refer
to RTCA document DO-213 Class A for minimum operational perfor-
mance standards for nose mounted radomes.

OBSERVING WEATHER

A weather avoidance radar is only as good as the operator’s interpreta-
tion of the echoes that are displayed on the radar indicator. The oper-
ator must combine knowledge of how radar works and its limitations with
such things as the prevailing weather pattern, and geographic location in
order to make a sound interpretation of the displayed targets.

As a starting point the operator should read FAA Advisory Circular
number 00-24B (Subject: Thunderstorms). It is also highly recom-
mended that the operator take advantage of one of the commercially
available weather radar seminars.

20

Effective Date: 5/98

RDR 2000 Pilot's Guide: Rev 3

Weather Mapping and Interpretation

TURBULENCE

ANVIL

STORM
MOVEMENT

ROLL
CLOUD

WIND SHEAR
TURBULENCE

FIRST
GUST

DUST

WIND SHEAR
TURBULENCE

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