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34 iQue 3600a Que Applications Guide
Setting up Your VNAV Profile
The VNAV Preferences provide settings for the
vertical navigation feature. These settings create a
three-dimensional profile that guides you from your
present position and altitude to a final (target) altitude
at a specified location.
To use the vertical navigation feature, your ground
speed must be greater than 35 knots and you must be
navigating a Go To or a route.
Once the VNAV profile is defined, watch for the teal
bar on the HSI and pay attention to the alerts to help
keep you informed of your progress.
As you approach the initial descent point, the time to
vertical navigation field (ETV) indicates the time to
reach the initial descent point.
The descent angle locks to prevent changes in speed
from altering the profile. The VNAV feature does not
take into account any changes in groundspeed that
occur during the transition from level flight to descent
or climb.
VNAV Profile
Glide Ratio to Target
Distance to Target
Distance to Profile
Target Altitude
Airport
Visual representation of VNAV
NOTE: The iQue 3600a is a VFR navigation
tool and should not be used to perform
instrument approaches. VNAV is only a VFR
navigation instrument and is not intended for
instrument approaches.
ADVANCED AVIATION OPERATION > SETTING UP YOUR VNAV PROFILE