AFMS
N'
D07
FOR
GARMIN
GFC700
AUTOPILOT
AND
VARIABLE
PITCH
PROPELLER
EQUIPPED
AEROPLANES
~TECNAM
[?~@1J@
c
&lj[f@~
[?QH~~
liYiJ&J[fl)QD@I]
Page APV 1-29
I luw Undcrspccd Protection functions depends on
wl11ch
vertical flight director mode
is
sckc
k
d.
For the purpose
oftlus
discu~~1on
,
the vertical night director modes can
be
divided into two
categoric~
- It
1s
important
lo
mmntmn
altlludc
for
as
long
as
possible
(alutude- cnt-
1cal
modes)
Mamtammg
allitude 1s
less
crucial
(non-altitude
cnt1cal
modes)
I
•
I
I
.
I
If
l I
S/'
engai:e1· while A
11top
d
u1
11
111
/'IT
or
V.~
mode,
and
power
I\
ah-
1
11pt~1
·
'"'
1ofi1/I throule, pilot
mc~v
expect a sltght nose
11p
tendenq
that
will
he
qwckly
cmmtemcted
hy
c111topdot.
1'h1.1
1.1
· a normal hehavm11r, the
1/tg/11
no.
1c
11p
/e11Jenc)
'
111
tht>
w.1e will
he
due
/0
ahntpl
power
advance,
h111
will
he
1111med1111
e
ly
damped
hy
A11toptlo1
(
wuh
/'IT
or
l
>'.
'i
t11rn
-
111J.:
J.:re~n
on
th
..
anmmt'1allon
p<1nel)
/I
S/'
engagement
1.1'
a consequence
of
autop1/01
fi11/111g
/0
properly
moni
-
tormg
A
I'
and
lllrtrt!fi hehavwur. 1 lus
I.I'
nuun/
y
cau.1·ed
hy
" ptlot re-
q11e1·1
that
mnnot
he
f11/fil/e
cl
clue
lo lack c!f
power
COllJJ/ed
wu
h
unauwn
-
ahle
puch
111
1
m1.
/'dot
need
to
cont11111011sly
monitor au!Opliol peljiJrmanc·e, while
checkmg
that
mode
selectwn.,
are
compa11hle with lll
ll
'
l'<!fi
pe1jiJrmanc·e.
If
A111opi/01
1.1
engaged
111
F/
.C mode, "1 C
mode
will downgrade
to/'//'
mode
w he
11111
ll
Sl
',
fiJr more than
/()second,
.
If
U
S/
' engai:e.1
wh1/i:
111
Al
.T mode, upon U
S/>
d11e11gagem
e
nt
F/J w1//
command
har.1
·
/0
regllln
pre
-
selected
a/111ude
(a/111ude
1e/ected he[iJfe
l/
SI'
engagement).
/'dot
m1111
monitor
A I'
lo
check 1(
prev1m11
·
pre
-.
wfrcted
a/11
-
tude is sill/ al/amahle wl/h
energy
avllllah/e.
/I
1.I'
recommended
m
th1.1·
wse
to
preselect a
new
a/111ude
m
order
lo
speed-up
enercy
manai:eme111
and
re1..:over
from
xlow speed
c:ond111on\'.
When
US/'
hecome" active, expect a
small
/-'/) ad1u.1·1ment due
to
reac-
llon
to
V<!I}
'
low
.1peecl condlfwn.
Section
1 -
General
AUTOPILOT
FUNCTIONS
Ed.
2,
Rev.0
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