AOPA Pilot Magazine - April 2021 - 95

that its imagery is never more than five
minutes old.
Five minutes is a long time when the
weather goes convective. Spend some
time watching aggressively boiling,
building cumulus cloud tops and you'll
understand how they can grow at rates
of 5,000 fpm. Thunderstorm internal
dynamics can also change precipitation
rates, cloud coverage patterns, updraft
and downdraft strengths, and cause icing
conditions within cloud masses. Not to
mention lightning. A storm cell, or line of
precipitation echoes, moving at 20 knots
can cover five nautical miles in 15 minutes.
If you're flying at 120 knots you'll cover
that distance in 2.5 minutes.
And yet, datalink Nexrad can tempt us
with thoughts of finding a " soft spot " (a
passage having low, light-green precipitation rates) where we can make our way
safely between precipitation echoes. It's
a bad bet. Sure, datalinked Nexrad is a
great tool for safely avoiding storm cells.

But it doesn't give you invincibility, or let
you fly at will around what you think are
buildups.
The standard cautions apply today,
as they did in pre-datalink times. Collect
all the weather information you can during your preflight weather briefing. Keep
abreast of late-breaking convective sigmets while en route. Keep your distance
from cumulus buildups. Don't weave
around active storm cells; that's a recipe
for inadvertent flight into instrument conditions. Being on an IFR flight plan can
help. ATC's weather radars update with
every sweep of the antenna, controllers
know your location and track, and can
issue vectors to avoid storm cells.
Even so-VFR or IFR-your ability
to circumnavigate an active front, line of
storms, or large cluster of cells depends on
your speed, the growth of the cells, your fuel
state, and the distance you need to fly to put
buildups behind you. Finally, be prepared to
accept that without enough speed or fuel for

Five minutes is a long
time when the weather
goes convective. Spend
some time watching
aggressively boiling,
building cumulus
cloud tops and you'll
understand how they
can grow at rates of
5,000 fpm.
a massive reroute, your only options may be
to reverse course or land as soon as safely
possible. Last but not least: Do you really
need to get there right now?
AOPA
EMAIL tom.horne@aopa.org

Dynon's SkyView HDX system is now approved for installation into

Piper PA-34 Seneca I / II / III / IV / V

(and nearly 600 other single-engine aircraft models)

 | 95


http://DYNONCERTIFIED.COM

AOPA Pilot Magazine - April 2021

Table of Contents for the Digital Edition of AOPA Pilot Magazine - April 2021

Contents
AOPA Pilot Magazine - April 2021 - Intro
AOPA Pilot Magazine - April 2021 - Cover1
AOPA Pilot Magazine - April 2021 - Cover2
AOPA Pilot Magazine - April 2021 - Contents
AOPA Pilot Magazine - April 2021 - 2
AOPA Pilot Magazine - April 2021 - 3
AOPA Pilot Magazine - April 2021 - 4
AOPA Pilot Magazine - April 2021 - 5
AOPA Pilot Magazine - April 2021 - 6
AOPA Pilot Magazine - April 2021 - 7
AOPA Pilot Magazine - April 2021 - 8
AOPA Pilot Magazine - April 2021 - 9
AOPA Pilot Magazine - April 2021 - 10
AOPA Pilot Magazine - April 2021 - 11
AOPA Pilot Magazine - April 2021 - 12
AOPA Pilot Magazine - April 2021 - 13
AOPA Pilot Magazine - April 2021 - 14
AOPA Pilot Magazine - April 2021 - 15
AOPA Pilot Magazine - April 2021 - 16
AOPA Pilot Magazine - April 2021 - 17
AOPA Pilot Magazine - April 2021 - 18
AOPA Pilot Magazine - April 2021 - 19
AOPA Pilot Magazine - April 2021 - 20
AOPA Pilot Magazine - April 2021 - 21
AOPA Pilot Magazine - April 2021 - 22
AOPA Pilot Magazine - April 2021 - 23
AOPA Pilot Magazine - April 2021 - 24
AOPA Pilot Magazine - April 2021 - 25
AOPA Pilot Magazine - April 2021 - 26
AOPA Pilot Magazine - April 2021 - 27
AOPA Pilot Magazine - April 2021 - 28
AOPA Pilot Magazine - April 2021 - 29
AOPA Pilot Magazine - April 2021 - 30
AOPA Pilot Magazine - April 2021 - 31
AOPA Pilot Magazine - April 2021 - 32
AOPA Pilot Magazine - April 2021 - 33
AOPA Pilot Magazine - April 2021 - 34
AOPA Pilot Magazine - April 2021 - 35
AOPA Pilot Magazine - April 2021 - 36
AOPA Pilot Magazine - April 2021 - 37
AOPA Pilot Magazine - April 2021 - 38
AOPA Pilot Magazine - April 2021 - 39
AOPA Pilot Magazine - April 2021 - 40
AOPA Pilot Magazine - April 2021 - 41
AOPA Pilot Magazine - April 2021 - 42
AOPA Pilot Magazine - April 2021 - 43
AOPA Pilot Magazine - April 2021 - 44
AOPA Pilot Magazine - April 2021 - 45
AOPA Pilot Magazine - April 2021 - 46
AOPA Pilot Magazine - April 2021 - 47
AOPA Pilot Magazine - April 2021 - 48
AOPA Pilot Magazine - April 2021 - 49
AOPA Pilot Magazine - April 2021 - 50
AOPA Pilot Magazine - April 2021 - 51
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AOPA Pilot Magazine - April 2021 - 53
AOPA Pilot Magazine - April 2021 - 54
AOPA Pilot Magazine - April 2021 - 55
AOPA Pilot Magazine - April 2021 - 56
AOPA Pilot Magazine - April 2021 - 57
AOPA Pilot Magazine - April 2021 - 58
AOPA Pilot Magazine - April 2021 - 59
AOPA Pilot Magazine - April 2021 - 60
AOPA Pilot Magazine - April 2021 - 61
AOPA Pilot Magazine - April 2021 - 62
AOPA Pilot Magazine - April 2021 - 63
AOPA Pilot Magazine - April 2021 - 64
AOPA Pilot Magazine - April 2021 - 65
AOPA Pilot Magazine - April 2021 - 66
AOPA Pilot Magazine - April 2021 - 67
AOPA Pilot Magazine - April 2021 - 68
AOPA Pilot Magazine - April 2021 - 69
AOPA Pilot Magazine - April 2021 - 70
AOPA Pilot Magazine - April 2021 - 71
AOPA Pilot Magazine - April 2021 - 72
AOPA Pilot Magazine - April 2021 - 73
AOPA Pilot Magazine - April 2021 - 74
AOPA Pilot Magazine - April 2021 - 75
AOPA Pilot Magazine - April 2021 - 76
AOPA Pilot Magazine - April 2021 - 77
AOPA Pilot Magazine - April 2021 - 78
AOPA Pilot Magazine - April 2021 - 79
AOPA Pilot Magazine - April 2021 - 80
AOPA Pilot Magazine - April 2021 - 81
AOPA Pilot Magazine - April 2021 - 82
AOPA Pilot Magazine - April 2021 - 83
AOPA Pilot Magazine - April 2021 - 84
AOPA Pilot Magazine - April 2021 - 85
AOPA Pilot Magazine - April 2021 - 86
AOPA Pilot Magazine - April 2021 - 87
AOPA Pilot Magazine - April 2021 - 88
AOPA Pilot Magazine - April 2021 - 89
AOPA Pilot Magazine - April 2021 - 90
AOPA Pilot Magazine - April 2021 - 91
AOPA Pilot Magazine - April 2021 - 92
AOPA Pilot Magazine - April 2021 - 93
AOPA Pilot Magazine - April 2021 - 94
AOPA Pilot Magazine - April 2021 - 95
AOPA Pilot Magazine - April 2021 - 96
AOPA Pilot Magazine - April 2021 - 97
AOPA Pilot Magazine - April 2021 - 98
AOPA Pilot Magazine - April 2021 - 99
AOPA Pilot Magazine - April 2021 - 100
AOPA Pilot Magazine - April 2021 - 101
AOPA Pilot Magazine - April 2021 - 102
AOPA Pilot Magazine - April 2021 - 103
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AOPA Pilot Magazine - April 2021 - 105
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AOPA Pilot Magazine - April 2021 - 110
AOPA Pilot Magazine - April 2021 - 111
AOPA Pilot Magazine - April 2021 - 112
AOPA Pilot Magazine - April 2021 - Cover3
AOPA Pilot Magazine - April 2021 - Cover4
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