Pilot's Guide to Avionics 2014-2015 - 56

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Continued from page 55

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conditions than you can in a cross wind," he said . "A good autopilot
may still wonder around a bit even in a dead-calm situation,
whereas a great autopilot will fly like it's on rails .
"This level of control requires much more complex control
laws . The way you make it fly more smoothly is to make it less
sensitive to perturbations . You can do that when you have unlimited
computing power . It can even anticipate things happening in
advance because it has more data available ."
One example Schwinn shared how this extensive amount of data
and processing power can be used to improve the performance and
safety of a new-generation autopilot is in capabilities like Avidyne's
Envelope Protection function .
"Basically, 99 percent of the autopilots that are flying right now, if
you put them in altitude and heading hold and pull the throttle back
to idle, they will hold the heading and altitude until the airplane
stalls," he explained . "At that point, they would have wound the trim
all the way to the stop and you would have a stalled and brutally
mistrimmed airplane . At that point, most of them (autopilots) would
disengage .
"I don't think you can find a worse behavior than that in terms of
pilot friendliness and overall safety . Make sure the airplane is in as
bad a shape as possible then give it up ."
Schwinn said a new-generation autopilot would not operate that
way because it has so much more information available about the
aircraft's overall situation .
"If you reach that situation, we start to do things to mitigate
what is happening and we do it very gently," he said . "If you pull
the power to idle, the speed will just bleed off until you are just a
handful of knots above the stall, and then the autopilot will gently
lower the nose almost imperceptibly, just to keep you at the safe
speed . At the same time, it will give you flashing lights and voice
warnings .
"I've done a number of demo flights where I've taken people
up and said let's watch Envelope Protection - boring - and that's
just the way it should be . The voice just says, 'under speed,
under speed,' and you just put some more power in . You just can't
imagine how exciting that situation isn't today ."
Schwinn said Avidyne's safety enhancements don't stop just
because the autopilot is disengaged .
"Envelope Alerting is the same kind of thing with the autopilot not
engaged," he said . "As you approach a stall, or bank into one, or if
you tend to put the flaps down when you are going too fast - which
I have a tendency to do - you will get these audio and visual alerts
with warnings before you get all the way into a critical situation .

- 56 -


http://www.fliteelectronics.com http://www.autopilotscentral.com

Pilot's Guide to Avionics 2014-2015

Table of Contents for the Digital Edition of Pilot's Guide to Avionics 2014-2015

From the Publisher
New Avionics Products for 2014
AEA's Value-Added Equation for Aircraft Owners
Attention FAA!
Equipped Like New
In-flight Entertainment
Integrating Mission Capabilities
Lithium Batteries 101
Autopilot Upgrades
Homebuilding Panels: Tackling Wires, Electrons and Circuits
ADS-B Early Adopters
Advertisers Index
ADS-B Installations are Beginning to Take Off
AEA Staff/Board of Directors
Repair Stations
Manufacturers/Distributors
Affiliates
AEA Member Company Index
Pilot's Guide to Avionics 2014-2015 - Intro
Pilot's Guide to Avionics 2014-2015 - Cover1
Pilot's Guide to Avionics 2014-2015 - Cover2
Pilot's Guide to Avionics 2014-2015 - 1
Pilot's Guide to Avionics 2014-2015 - 2
Pilot's Guide to Avionics 2014-2015 - 3
Pilot's Guide to Avionics 2014-2015 - From the Publisher
Pilot's Guide to Avionics 2014-2015 - 5
Pilot's Guide to Avionics 2014-2015 - New Avionics Products for 2014
Pilot's Guide to Avionics 2014-2015 - 7
Pilot's Guide to Avionics 2014-2015 - 8
Pilot's Guide to Avionics 2014-2015 - 9
Pilot's Guide to Avionics 2014-2015 - 10
Pilot's Guide to Avionics 2014-2015 - 11
Pilot's Guide to Avionics 2014-2015 - 12
Pilot's Guide to Avionics 2014-2015 - 13
Pilot's Guide to Avionics 2014-2015 - 14
Pilot's Guide to Avionics 2014-2015 - 15
Pilot's Guide to Avionics 2014-2015 - 16
Pilot's Guide to Avionics 2014-2015 - 17
Pilot's Guide to Avionics 2014-2015 - 18
Pilot's Guide to Avionics 2014-2015 - 19
Pilot's Guide to Avionics 2014-2015 - 20
Pilot's Guide to Avionics 2014-2015 - 21
Pilot's Guide to Avionics 2014-2015 - 22
Pilot's Guide to Avionics 2014-2015 - 23
Pilot's Guide to Avionics 2014-2015 - 24
Pilot's Guide to Avionics 2014-2015 - 25
Pilot's Guide to Avionics 2014-2015 - 26
Pilot's Guide to Avionics 2014-2015 - 27
Pilot's Guide to Avionics 2014-2015 - AEA's Value-Added Equation for Aircraft Owners
Pilot's Guide to Avionics 2014-2015 - 29
Pilot's Guide to Avionics 2014-2015 - 30
Pilot's Guide to Avionics 2014-2015 - 31
Pilot's Guide to Avionics 2014-2015 - Attention FAA!
Pilot's Guide to Avionics 2014-2015 - 33
Pilot's Guide to Avionics 2014-2015 - 34
Pilot's Guide to Avionics 2014-2015 - 35
Pilot's Guide to Avionics 2014-2015 - Equipped Like New
Pilot's Guide to Avionics 2014-2015 - 37
Pilot's Guide to Avionics 2014-2015 - 38
Pilot's Guide to Avionics 2014-2015 - 39
Pilot's Guide to Avionics 2014-2015 - 40
Pilot's Guide to Avionics 2014-2015 - 41
Pilot's Guide to Avionics 2014-2015 - In-flight Entertainment
Pilot's Guide to Avionics 2014-2015 - 43
Pilot's Guide to Avionics 2014-2015 - 44
Pilot's Guide to Avionics 2014-2015 - 45
Pilot's Guide to Avionics 2014-2015 - Integrating Mission Capabilities
Pilot's Guide to Avionics 2014-2015 - 47
Pilot's Guide to Avionics 2014-2015 - 48
Pilot's Guide to Avionics 2014-2015 - 49
Pilot's Guide to Avionics 2014-2015 - Lithium Batteries 101
Pilot's Guide to Avionics 2014-2015 - 51
Pilot's Guide to Avionics 2014-2015 - 52
Pilot's Guide to Avionics 2014-2015 - 53
Pilot's Guide to Avionics 2014-2015 - Autopilot Upgrades
Pilot's Guide to Avionics 2014-2015 - 55
Pilot's Guide to Avionics 2014-2015 - 56
Pilot's Guide to Avionics 2014-2015 - 57
Pilot's Guide to Avionics 2014-2015 - Homebuilding Panels: Tackling Wires, Electrons and Circuits
Pilot's Guide to Avionics 2014-2015 - 59
Pilot's Guide to Avionics 2014-2015 - 60
Pilot's Guide to Avionics 2014-2015 - 61
Pilot's Guide to Avionics 2014-2015 - 62
Pilot's Guide to Avionics 2014-2015 - 63
Pilot's Guide to Avionics 2014-2015 - 64
Pilot's Guide to Avionics 2014-2015 - 65
Pilot's Guide to Avionics 2014-2015 - ADS-B Early Adopters
Pilot's Guide to Avionics 2014-2015 - 67
Pilot's Guide to Avionics 2014-2015 - Advertisers Index
Pilot's Guide to Avionics 2014-2015 - 69
Pilot's Guide to Avionics 2014-2015 - 70
Pilot's Guide to Avionics 2014-2015 - 71
Pilot's Guide to Avionics 2014-2015 - ADS-B Installations are Beginning to Take Off
Pilot's Guide to Avionics 2014-2015 - 73
Pilot's Guide to Avionics 2014-2015 - 74
Pilot's Guide to Avionics 2014-2015 - 75
Pilot's Guide to Avionics 2014-2015 - 76
Pilot's Guide to Avionics 2014-2015 - 77
Pilot's Guide to Avionics 2014-2015 - 78
Pilot's Guide to Avionics 2014-2015 - 79
Pilot's Guide to Avionics 2014-2015 - AEA Staff/Board of Directors
Pilot's Guide to Avionics 2014-2015 - Repair Stations
Pilot's Guide to Avionics 2014-2015 - 82
Pilot's Guide to Avionics 2014-2015 - 83
Pilot's Guide to Avionics 2014-2015 - 84
Pilot's Guide to Avionics 2014-2015 - 85
Pilot's Guide to Avionics 2014-2015 - 86
Pilot's Guide to Avionics 2014-2015 - 87
Pilot's Guide to Avionics 2014-2015 - 88
Pilot's Guide to Avionics 2014-2015 - 89
Pilot's Guide to Avionics 2014-2015 - 90
Pilot's Guide to Avionics 2014-2015 - 91
Pilot's Guide to Avionics 2014-2015 - 92
Pilot's Guide to Avionics 2014-2015 - 93
Pilot's Guide to Avionics 2014-2015 - 94
Pilot's Guide to Avionics 2014-2015 - 95
Pilot's Guide to Avionics 2014-2015 - 96
Pilot's Guide to Avionics 2014-2015 - 97
Pilot's Guide to Avionics 2014-2015 - 98
Pilot's Guide to Avionics 2014-2015 - 99
Pilot's Guide to Avionics 2014-2015 - 100
Pilot's Guide to Avionics 2014-2015 - 101
Pilot's Guide to Avionics 2014-2015 - 102
Pilot's Guide to Avionics 2014-2015 - 103
Pilot's Guide to Avionics 2014-2015 - 104
Pilot's Guide to Avionics 2014-2015 - 105
Pilot's Guide to Avionics 2014-2015 - 106
Pilot's Guide to Avionics 2014-2015 - 107
Pilot's Guide to Avionics 2014-2015 - 108
Pilot's Guide to Avionics 2014-2015 - 109
Pilot's Guide to Avionics 2014-2015 - 110
Pilot's Guide to Avionics 2014-2015 - 111
Pilot's Guide to Avionics 2014-2015 - 112
Pilot's Guide to Avionics 2014-2015 - 113
Pilot's Guide to Avionics 2014-2015 - 114
Pilot's Guide to Avionics 2014-2015 - 115
Pilot's Guide to Avionics 2014-2015 - 116
Pilot's Guide to Avionics 2014-2015 - 117
Pilot's Guide to Avionics 2014-2015 - 118
Pilot's Guide to Avionics 2014-2015 - 119
Pilot's Guide to Avionics 2014-2015 - 120
Pilot's Guide to Avionics 2014-2015 - 121
Pilot's Guide to Avionics 2014-2015 - 122
Pilot's Guide to Avionics 2014-2015 - 123
Pilot's Guide to Avionics 2014-2015 - Manufacturers/Distributors
Pilot's Guide to Avionics 2014-2015 - 125
Pilot's Guide to Avionics 2014-2015 - 126
Pilot's Guide to Avionics 2014-2015 - 127
Pilot's Guide to Avionics 2014-2015 - 128
Pilot's Guide to Avionics 2014-2015 - 129
Pilot's Guide to Avionics 2014-2015 - 130
Pilot's Guide to Avionics 2014-2015 - 131
Pilot's Guide to Avionics 2014-2015 - 132
Pilot's Guide to Avionics 2014-2015 - 133
Pilot's Guide to Avionics 2014-2015 - 134
Pilot's Guide to Avionics 2014-2015 - 135
Pilot's Guide to Avionics 2014-2015 - Affiliates
Pilot's Guide to Avionics 2014-2015 - 137
Pilot's Guide to Avionics 2014-2015 - 138
Pilot's Guide to Avionics 2014-2015 - 139
Pilot's Guide to Avionics 2014-2015 - 140
Pilot's Guide to Avionics 2014-2015 - 141
Pilot's Guide to Avionics 2014-2015 - 142
Pilot's Guide to Avionics 2014-2015 - AEA Member Company Index
Pilot's Guide to Avionics 2014-2015 - 144
Pilot's Guide to Avionics 2014-2015 - 145
Pilot's Guide to Avionics 2014-2015 - 146
Pilot's Guide to Avionics 2014-2015 - 147
Pilot's Guide to Avionics 2014-2015 - 148
Pilot's Guide to Avionics 2014-2015 - 149
Pilot's Guide to Avionics 2014-2015 - 150
Pilot's Guide to Avionics 2014-2015 - 151
Pilot's Guide to Avionics 2014-2015 - 152
Pilot's Guide to Avionics 2014-2015 - Cover3
Pilot's Guide to Avionics 2014-2015 - Cover4
http://www.brightcopy.net/allen/pilotsguide/20-21
http://www.brightcopy.net/allen/pilotsguide/19-20
http://www.brightcopy.net/allen/pilotsguide/18-19
http://www.brightcopy.net/allen/pilotsguide/17-18
http://www.brightcopy.net/allen/pilotsguide/16-17
http://www.brightcopy.net/allen/pilotsguide/15-16
https://www.nxtbook.com/allen/pilotsguide/2014-2015
https://www.nxtbook.com/allen/pilotsguide/2013-2014
https://www.nxtbook.com/allen/pilotsguide/2012-2013
https://www.nxtbook.com/allen/pilotsguide/2011-2012
https://www.nxtbookmedia.com