Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
190-01255-00 Rev. A
292
HAZARD AVOIDANCE
neXRaD l
imitatiOns
NEXRAD radar images may have certain limitations:
• NEXRAD base reflectivity does not provide sufficient information to determine cloud layers or precipitation
characteristics (wet hail vs. rain). For example, it is not possible to distinguish between wet snow, wet
hail, and rain.
• NEXRAD base reflectivity is sampled at the minimum antenna elevation angle. An individual NEXRAD
site cannot depict high altitude storms at close ranges. It has no information about storms directly over
the site.
• When zoomed in to a range of 30 nm, each square block on the display represents an area of four square
kilometers. The intensity level reflected by each square represents the
highest
level of NEXRAD data
sampled within the area (Figure 6-12).
Figure 6-12 NEXRAD Data - Zoomed
Block Area is 4 km
2
The following may cause abnormalities in displayed NEXRAD radar images:
• Ground clutter
• Strobes and spurious radar data
• Sun strobes (when the radar antenna points directly at the sun)
• Interference from buildings or mountains, which may cause shadows
• Metallic dust from military aircraft, which can cause alterations in radar scans
Содержание G1000H
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Страница 12: ...Garmin G1000H Pilot s Guide for the Bell 407GX 190 01255 00 Rev A x TABLE OF CONTENTS Blank Page ...
Страница 58: ...190 01255 00 Rev A Garmin G1000H Pilot s Guide for the Bell 407GX 46 SYSTEM OVERVIEW Blank Page ...
Страница 92: ...Garmin G1000H Pilot s Guide for the Bell 407GX 190 01255 00 Rev A 80 FLIGHT INSTRUMENTS Blank Page ...
Страница 146: ...190 01255 00 Rev A Garmin G1000H Pilot s Guide for the Bell 407GX 134 AUDIO PANEL AND CNS ...
Страница 284: ...Garmin G1000H Pilot s Guide for the Bell 407GX 190 01255 00 Rev A 272 FLIGHT MANAGEMENT Figure 5 136 Approaching PYNON ...
Страница 380: ...Garmin G1000H Pilot s Guide for the Bell 407GX 190 01255 00 Rev A 368 HAZARD AVOIDANCE Blank Page ...
Страница 382: ...Garmin G1000H Pilot s Guide for the Bell 407GX 190 01255 00 Rev A 370 AUTOMATIC FLIGHT CONTROL SYSTEM Blank Page ...
Страница 490: ...Garmin G1000H Pilot s Guide for the Bell 407GX 190 01255 00 Rev A 478 ADDITIONAL FEATURES Blank Page ...
Страница 518: ...190 01255 00 Rev A Garmin G1000H Pilot s Guide for the Bell 407GX 506 APPENDIX B Blank Page ...
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