r
AFMS
N'D07
FOR
GARMIN
GFC700
AUTOPILOT
AND
VARIABLE
PITCH
PROPELLER
EQUIPPED
AEROPLANES
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Page
APVl-30
13.2.1
ALTITUDE
CRITICAL
MODES
(ALT,
GS,
GP,
TO,
GA,
FLC)
When the airspeed trend vector (dedicated algorithm) reaches 65
+/
- 2 KIAS a single aural
''AIRSPEED" will sound, alerting the pilot to the impending
undcr~pecd
condition, which
requires pilot actmn.
If
the aircraft decelerates to stall warning and a
~
peed
of
65 K
IA
S
is
reached,
th
e
la
teral and
vertical night director modes will change from active to armed and the autopilot will provide
input causing the aircraft to pitch down and the wings
to
level.
The aural "AIRSPEED'' alert wi
ll
sound every five
~
c
conds
.
If
aircrall
is
unintentionally decelerated to 65 Kli\S, a MINSPD annunciation posts above
the airspeed tape on
PHJ
in
alternating amber and hlack text A red "UNDER'>l'EED PRO-
TECT
ACTI
VE
" annunciation will appear to the right
of
the vertical speed indicator. USP
will drive the pitch down until the indicated airspeed increases above 70 K IAS
or
stall warning
turns
ofT
, plus two knots (whichever comes first).
When USP disengages, autopilot wi
ll
cause
th
e oircrafi to pitch up until recapturmg the vertical
reference (vertical and lateral
fli
g
ht
director modes will change from white armed to green ac-
tive).
Section
1 -
General
AUTOPILOT
FUNCTIONS
Ed
2, Rev.O