AEA Pilot's Guide 2018-2019 - 43

communicators and navigators. And in today's world of
speed indicator. None of them need electrical power
all-glass cockpits and digital instrumentation, multiple
to function; and a single electrically driven turn gyro.
options become a necessity rather than a luxury.
Lose air power and the turn gyro continues to spin
It boils down to this: No juice to power those
on electrical power. Lose the electrical-generating
screens, no information on the displays; no radios;
source and the air-powered five continue to work - as
no navigators; and no powerplant status information.
do all the electrically powered components, but only
digital instrumentation,
options
a necessity
electrical
power.
electrical-generating
source andruns
the off the
Today, some
glass-panel multiple
converts
optbecome
to retain
some
as long
as Lose
the the
battery
lasts. Everything
rather than a luxury.
air-powered five continue to work - as do all the electrically
analog instruments. For IFR digital cockpits, the
fades from utility as the components drain the battery.
It boils down to this: No juice to power those screens,
powered components, but only as long as the battery lasts.
Federal Aviation
Administration
likes
tonosee
indications Everything
The running
same off
can't
be said
for today's
growing
no information
on the displays; no
radios;
navigators;
the fades
from utility
as the components
for, at a and
minimum,
the status
pilot's
information
A:
population
no powerplant
information.
Today, Triple
some glassdrain
the battery. of all-digital panels, stacks flying in aircraft
convertsand
opt toattitude.
retain some analog instruments. For
The same
be said
today's growingsource
populationbecause
of
airspeed,panel
altitude
with
no can't
suction
orforair-pressure
they
IFR digital cockpits, the Federal
all-digital panels, stacks flying in
Options exist for independently
use no air-driven instruments. Even
Aviation Administration likes to see
aircraft with no suction or air-pressure
poweredindications
digital versions
of thethe
the because
readouts
from
the pitot-static
for, at a minimum,
source
they use
no air-driven
Triple A;pilot's
options
for three-packs
system Even
are electronic
translations of
information
Triple A: airspeed,
instruments.
the readouts from
and attitude. with the
theair
pitot-static
system
electronic - that is,
of analogaltitude
instruments,
pressure
onaresolid-state
Options
exist forplumbed
independently
translations
of air-pressure
on solidairspeed and
altitude
into
electronic
air-data
sensors.
powered digital versions of the Triple
state - that is, electronic - air-data
the pitot-static
system
and
a
builtGenerically,
we
call
it an
A; options for three-packs of analog
sensors.
in battery
to drivewith
thethe
attitude
gyro.
electronic
flight
instruments,
airspeed and
Generically, we
call itinformation
an electronic system,
altitudeaviators
plumbed into
flight
or EFIS.flying
For aircraft
And some
optthetopitot-static
stick
or information
EFIS. Forsystem,
operators
system
and
a
built-in
battery
to
drive
operators
flying
aircraft
transitioning
with the same information format
transitioning to glass panels,
NO JUICE TO POWER
the attitude gyro.
to glass panels, alternative electrical
as their primary flight display by
alternative electrical power is a must
THOSE
SCREENS,
And some aviators opt to stick with
power is a must - if not implicitly by
installingthea same
smaller
version
ofasthe
- if notfiat,
implicitly
regulatory fiat,
information
format
their
regulatory
by dent of by
survival
NO INFORMATION
standardprimary
PFD flight
- either
its own
by dent
of reality
survival
and the
displaywith
by installing
a
instincts
and the
that ainstincts
mainON THE DISPLAYS;
smaller version
of the standard
ship
batterythat
may be
battery power
or powered
by a PFD
reality
a insufficient
main-ship battery may
NO RADIOS; NO
- either with its own battery power or
to keep a glass panel and radios
secondary, or standby, electrical
be insufficient to keep a glass panel
powered by a secondary, or standby,
functional long enough to get the plane
NAVIGATORS;
AND
NO
power source.
radios
long enough to
electrical power source.
onand
the ground
afterfunctional
a total electricalPOWERPLANT STATUS
But alternative
power
solely
get the
plane on the ground after a
But alternative
power
solely
system
failure.
for theinstruments
flight instruments
doesn't
With retrofit
spending leading failure.
INFORMATION.
for the flight
doesn't
total
electrical-system
automatically
cover
emergency
power
forward-fit
in
avionics-industry
salesleading
automatically cover emergency
With retrofit spending
for the rest of the panel - the radios
according to the latest AEA Avionics
power for
the rest of the panel -
forward-fit in avionics-industry sales
pilots depend on for communication
Market Report, it appears more pilots
the radios
depend on for
according
to their
theplanes.
latest AEA Avionics
andpilots
navigation.
continue to turn to digital-options
panels for
Standbyand
electrical-power
solutions can cover that need and
Thankfully,
the avionics
industry provides
communication
navigation.
Market
Report,
it appears
moremultiple
pilotsoptions
continue to turn
cameelectrical-power
on the scene decades before
digitalcan
cockpit
instruments.
to to
keep
power flowing to critical
displays,
communicators
Standby
solutions
cover
that
digital-options
panels
for their
planes. and
In fact, the majority of Part 23 aircraft can claim their systems
navigators.
need and came on the scene decades before digital
Thankfully, the avionics industry provides multiple
provide an inherent alternative to the electrical-generating
cockpit instruments.
fact,
the
majority
of Partto23
options
to analog-panel
keep power flowing
to critical displays,
source. And mostIn
pilots
flying
analog
panels continue
The
typical
power system
aircraft can
their on
systems
provide
inherent
communicators
and navigators.
cruiseclaim
along relying
the main-ship
batteryan
as their
standby
In the majority of single-engine
aircraft, some form of
electrical-power
source.
lead-acid or, more recently, lithium-ion battery, serves two
alternative
to the electrical-generating
source. And
But that status depends on the split power configuration of
major purposes: power to start the engine; and as the standby
most pilots flying analog panels continue to cruise
The typical analog-panel power system
most light aircraft's flight instruments: two air-driven analog
electrical-power source in the event of the loss of electricalalong relying
the main-ship
asgyro
their
standby
In the
majority
of single-engine
aircraft,
gyros -on
the attitude
indicator andbattery
directional
- and
three
generation
capability
- a failed
engine-driven alternator
or some form
electrical-power
source.
of lead-acid or, more recently, lithium-ion battery,
air-driven air-data
instruments, airspeed indicator, altimeter and
generator.
vertical
speeddepends
indicator. None
them
needpower
electrical power to
Power to recharge
the battery
and to runpower
radios and
But that
status
on of
the
split
serves
two major
purposes:
to start the engine;
function;
and
a
single
electrically
driven
turn
gyro.
configuration of most light aircraft's flight instruments:
and as the standby electrical-power source in the
Continued on following page
Lose air power and the turn gyro continues to spin on
two air-driven analog gyros - the attitude indicator
event of the loss of electrical-generation capability - a
avionics news * february 2018
19
and directional gyro - and three air-driven air-data
Continued on following page...
instruments, airspeed indicator, altimeter and vertical

IT BOILS
DOWN TO
THIS:

- 43 -



Table of Contents for the Digital Edition of AEA Pilot's Guide 2018-2019

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