Table of Contents
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Pilot's Guide
Search and Rescue Radar
Command Systems Division
TM106101
RDR-1600
Color Weather and
August 2001
TABLE OF CONTENTS
PARAGRAPH
1.0
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
2.0
SYSTEM CONFIGURATION . . . . . . . . . . . . . . . . . . .2
2.1
ANTENNA AND RECEIVER-TRANSMITTER . . . . . . .3
2.2
RADAR DISPLAY INDICATOR . . . . . . . . . . . . . . . . . .4
3.0
OPERATIONAL CONTROLS . . . . . . . . . . . . . . . . . . .5
3.1
CONTROL PANEL . . . . . . . . . . . . . . . . . . . . . . . . .5
3.2
ANTENNA CONTROLS . . . . . . . . . . . . . . . . . . . . . . .6
3.3
DISPLAY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . .6
3.4
PRIMARY MODE SELECTORS . . . . . . . . . . . . . . . . .6
3.5
CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3.6
ALPHANUMERICS . . . . . . . . . . . . . . . . . . . . . . . . . .9
4.0
PREFLIGHT (PFT) . . . . . . . . . . . . . . . . . . . . . . . . . .10
4.1
PREFLIGHT WARNING . . . . . . . . . . . . . . . . . . . . . .10
5.0
THEORY OF OPERATION . . . . . . . . . . . . . . . . . . . .11
5.1
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
5.2
RADAR PRINCIPLES . . . . . . . . . . . . . . . . . . . . . . .12
5.3
WEATHER RADAR PRINCIPLES . . . . . . . . . . . . . . .13
5.4
RADAR REFLECTIVITY . . . . . . . . . . . . . . . . . . . . . .14
5.5
WEATHER DISPLAY CALIBRATION . . . . . . . . . . . .15
5.6
WEATHER ATTENUATION COMPENSATION . . . . .16
6.0
WEATHER OPERATIONS . . . . . . . . . . . . . . . . . . . .18
6.1
WEATHER MODE - WX . . . . . . . . . . . . . . . . . . . . .18
6.2
WEATHER ALERT MODE - WXA . . . . . . . . . . . . . .19
6.3
TARGET ALERT . . . . . . . . . . . . . . . . . . . . . . . . . . .19
6.4
WEATHER MAPPING AND INTERPRETATION . . . .20
6.5
OBSERVING WEATHER . . . . . . . . . . . . . . . . . . . . .20
6.5.1
Thunderstorms and Turbulence . . . . . . . . . . . . . . . .21
6.5.2
Tornadoes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
6.5.3
Hail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
6.5.4
Icing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
6.5.5
Snow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
6.5.6
Lightning and Static Discharges . . . . . . . . . . . . . . . .24
6.5.7
Range Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . .25
6.5.8
Azimuth Resolution . . . . . . . . . . . . . . . . . . . . . . . . .25
6.5.9
Indicator Resolution . . . . . . . . . . . . . . . . . . . . . . . . .26
6.5.10
Short Range Displays . . . . . . . . . . . . . . . . . . . . . . . .27
6.6
PATH PLANNING . . . . . . . . . . . . . . . . . . . . . . . . . . .28
6.6.1
Path Planning Considerations . . . . . . . . . . . . . . . . . .28
TM106101(8/01)
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Table of Contents
Related Manuals for Telephonics RT-1601 RT
Summarization of Contents
System Configuration Overview
Antenna and Receiver-Transmitter Components
Details the components of the antenna and receiver-transmitter unit.
Radar Display Indicator Features
Describes the Multi-Function Display (MFD) and its role.
Operational Controls and Functions
Function Selector Operation
Explains the function selector and its modes (OFF, STBY, TEST, ON, 60°).
Primary Mode Selection Buttons
Antenna Tilt and Stabilization Controls
Details the tilt control knob and stabilization off switch.
Display Brightness Control
Describes the MFD brightness adjustment for screen clarity.
Primary Mode Selection Buttons
Explains how to select Weather (Wx), Weather Alert (WxA), and Search modes.
Secondary Mode and Gain Controls
Secondary Mode and Gain Controls
Covers Beacon Gain, Search Gain, and Code selection for beacon modes.
MFD Screen Presentation Labels
Details the various labels and indicators displayed on the MFD screen.
Preflight Checks and Warnings
Preflight Warning and Test Procedure
Instructions for testing the system before flight and safety warnings.
Theory of Radar Operation
General Principles of Radar Use
Explains the primary use of the radar for avoiding thunderstorms and turbulence.
Fundamental Radar Principles
Describes radar as a distance measuring system using radio echoing.
Weather Radar Principles and Reflectivity
Weather Radar Specific Principles
Focuses on weather avoidance, not penetration, and beam characteristics.
Radar Reflectivity and Target Identification
Explains what reflects radar pulses and how it's displayed.
Weather Display Calibration and Compensation
Weather Display Calibration Standards
Details MFD calibration for target intensity levels and rainfall rates.
Weather Attenuation Compensation
Explains how the system compensates for signal loss due to distance and precipitation.
Weather Operations
WX Mode for Standard Weather Display
Describes the standard weather presentation with color-coded precipitation.
WXA Mode for Weather Alerts
Explains the alert mode with flashing red returns and target alerts.
Target Alert Functionality
Details the 'TGT ALRT' flash when red returns exceed displayed range.
Weather Interpretation and Storm Analysis
Weather Mapping and Interpretation Guide
Provides general information on using radar for weather interpretation.
Observing and Interpreting Weather Echoes
Emphasizes operator interpretation combined with radar knowledge.
Thunderstorms and Turbulence Detection
Discusses radar clues for turbulence associated with thunderstorms.
Severe Weather Detection
Tornado Detection Indicators
Describes specific echo patterns that may indicate tornadoes.
Hail Detection and Characteristics
Explains how hail reflects radar and its characteristic echo patterns.
Weather Phenomena Detection and Resolution
Icing Condition Detection
Discusses radar's potential assistance in locating icing conditions.
Radar Range Resolution
Explains the system's ability to resolve closely spaced targets in range.
Radar Azimuth Resolution
Discusses how azimuth resolution depends on beam width and target range.
Indicator Resolution and Short Range Displays
Indicator Resolution and Display Bits
Explains how indicator resolution relates to screen matrix and display range.
Short Range Display Capabilities
Details the 1.0 nm and 0.5 nm selections for approaches and surveillance.
Path Planning for Weather Avoidance
Path Planning for Weather Avoidance
Provides guidance on planning deviation paths around weather.
Path Planning Considerations and Guidelines
Offers specific advice on avoiding cells, downdrafts, and corridors.
Search Operations
Ground Mapping Capabilities
Describes the radar's use for gathering and presenting topographical terrain data.
Search Mode Details
Effect of Looking Angle on Detection
Explains how the incident angle impacts detectable range and illumination area.
Detection of Other Aircraft
Discusses the limited capability of the radar for detecting other aircraft.
Search Mode Overview
Highlights the advantage of short-range mapping and navigational aid.
Comparison of Search Modes
Distinguishing Weather and Search Modes
Explains the differences in receiver gain and pulse characteristics.
Comparison of Search Modes
Compares Search 1, Search 2, and Search 3 modes for different applications.
Search 3 Mode: Conventional Ground Map
Describes Search 3 as the conventional ground map mode.
Antenna Tilt Management
Search 2 Mode: Precision Mapping
Details Search 2 for short-range precision mapping.
Search 1 Mode: Sea Clutter Rejection
Explains Search 1 for sea clutter rejection on short ranges.
Using the Tilt Control Knob
Explains how antenna tilt management provides storm information.
Tilt Performance and Weather Detection
Tilt Performance Check Procedure
Details how to check radar performance by observing ground returns.
Early Detection of Enroute Weather
Provides steps to optimize tilt for identifying significant weather.
Antenna Stabilization System
Antenna Stabilization Limits
Describes the limits of stabilization for climbing, descending, and turning.
Stabilization System Errors
Explains sources of error like acceleration and drift affecting stabilization.
Antenna Stabilization Compensation
Provides pilot compensations for stabilization errors.
Beacon Mode Operations
Beacon Format Selection
Explains how to identify and select standard or DO-172 beacon formats.
DO-172 Beacon Code Identification
Details the DO-172 format and how to select beacon codes.
Regulatory Information for Radar Approaches
AC 90-80 Minimums for Radar Approaches
References FAA AC 90-80 for minimums in radar approaches to rigs.
System Specifications
RT-1601 RT Unit Specifications
Details frequency, power output, pulse width, and physical specs.
DA-1203A Antenna Drive Assembly Specs
Lists specifications for reflector size, scan angle, tilt angle, and weight.
Appendix: Safety Information
Minimum Safe Distance Determination
Provides information for establishing minimum safe distances from the antenna.
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