Garmin Diamond DA40, Pilot'S Manual

Page: 375 / 538

190-00592-06 Rev. A
Garmin G1000 Pilot’s Guide for Diamond DA40/40F
363
AUTOMATIC FLIGHT CONTROL SYSTEM
SY
STEM
O
VER
VIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO P
ANEL
& CNS
FLIGHT
MANA
GEMENT
HAZARD
AV
OID
ANCE
AFCS
ADDITIONAL
FEA
TURES
APPENDICES
INDEX
7.3 VERTICAL MODES
Table 7-2 lists the vertical modes with their corresponding controls and annunciations. The mode reference is
displayed next to the active mode annunciation for Altitude Hold, Vertical Speed, and Flight Level Change modes.
The
NOSE UP/NOSE DN
Keys can be used to change the vertical mode reference while operating under Pitch
Hold, Vertical Speed, or Flight Level Change Mode. Increments of change and acceptable ranges of values for
each of these references using the
NOSE UP/NOSE DN Keys are also listed in the table.
Vertical Mode Description Control Annunciation
Reference
Range
Reference
Change
Increment
Pitch Hold
Holds aircraft pitch attitude; may
be used to climb/descend to the
Selected Altitude
(default) PIT -15° to +20° 0.5°
Selected Altitude Capture Captures the Selected Altitude * ALTS
Altitude Hold Holds current Altitude Reference
ALT
Key ALT nnnnn
fT
Vertical Speed
Holds aircraft vertical speed; may
be used to climb/descend to the
Selected Altitude
VS Key VS nnnn
fpm
-3000 to
+1500 fpm
100 fpm
Flight Level Change
Holds aircraft airspeed while
aircraft is climbing/descending to
the Selected Altitude
FLC
Key FLC nnn
kT
70 to 165 kt 1 kt
Vertical Path Tracking
Captures and tracks descent legs
of an active vertical profile VNV
Key
VPTH
VNV Target Altitude Capture
Captures the Vertical Navigation
(VNV) Target Altitude
** ALTV
Glidepath***
Captures and tracks the WAAS
glidepath on approach
APR
Key
GP
Glideslope
Captures and tracks the ILS
glideslope on approach
GS
Go Around
Disengages the autopilot and
commands a constant pitch angle
and wings level
GA
Switch
GA 7°
* ALTS is armed automatically when PIT, VS, FLC, or GA is active, and under VPTH when the Selected Altitude is to be captured
instead of the VNV Target Altitude.
** ALTV is armed automatically under VPTH when the VNV Target Altitude is to be captured instead of the Selected Altitude.
***GP is available in installations with GIA 63W IAUs when WAAS is available.
Table 7-2 Flight Director Vertical Modes