190-00592-06 Rev. A
Garmin G1000 Pilot’s Guide for Diamond DA40/40F
375
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
GLIDEPATH MODE (GP) (WAAS ONLY)
NOTE:
Pressing the
CWS
Button while Glidepath Mode is active does not cancel the mode. The autopilot
guides the aircraft back to the glidepath upon release of the
CWS
Button.
Glidepath Mode is available only in installations with GIA 63W IAUs when WAAS is available. Glidepath
Mode is used to track the WAAS-based glidepath. When Glidepath Mode is armed, ‘GP’ is annunciated in white
in the AFCS Status Box.
Selecting Glidepath Mode:
1)
Ensure a GPS approach with vertical guidance or vertical descent angle (LPV, LNAV/VNAV, LNAV+V) is loaded
into the active flight plan. The active waypoint must be part of the flight plan (cannot be a direct-to a waypoint
not in the flight plan.
2)
Ensure that GPS is the selected navigation source (use the
CDI
Softkey to cycle through navigation sources).
3)
Press the
APR
Key.
NOTE:
Some RNAV (GPS) approaches provide a vertical descent angle as an aid in flying a stabilized
approach. These approaches are NOT considered Approaches with Vertical Guidance (APV). Approaches
that are annunciated on the HSI as LNAV or LNAV+V are considered Nonprecision Approaches (NPA) and
are flown to an MDA even though vertical glidepath (GP) information may be provided.
WARNING:
When flying an LNAV approach (with vertical descent angle) with the autopilot coupled, the
aircraft will not level off at the MDA even if the MDA is set in the altitude preselect.
Upon reaching the glidepath, the flight director transitions to Glidepath Mode and begins to capture and
track the glidepath.
Figure 7-15 Glidepath Mode Armed
Once the following conditions have been met, the glidepath can be captured:
• The active waypoint is at or after the final approach fix (FAF)
• Vertical deviation is valid
• The CDI is at less than full scale deviation
• Automatic sequencing of waypoints has not been suspended (no ‘SUSP’ annunciation on the HSI)
Содержание Diamond DA40
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