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10 - VNAV
Vertical Navigation Page
Section 10
Vertical Navigation (VNAV)
The 500W-series Vertical Navigation Page allows
you to create a three-dimensional profile which guides
you from your present position and altitude to a final
(target) altitude at a specified location. This is helpful
when you’d like to descend to a certain altitude near
an airport. Once the profile is defined, message alerts
and additional data on the Default NAV and Map
Pages keep you informed of your progress.
A message alert lets you know when to
begin a VNAV descent...
To display the Vertical Navigation Page, press the
VNAV key.
Target Altitude
Altitude Reference
(AGL or MSL)
Target Distance
(from reference)
Target Reference
Vertical Speed Desired
Vertical Speed Required
VNAV is inhibited in the following conditions:
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•
•
•
•
•
Groundspeed is less than 35 knots
No active flight plan or direct-to destination
SUSP mode
Vectors-to-Final mode
VLOC mode
After the FAF on an approach
WARNING: VNAV is to be used for advisory
purposes only. VNAV messages or vertical speed
required should not be used to maintain terrain
or ATC clearances. Terrain and ATC clearances are
the sole responsibility of the pilot.
190-00357-00 Rev H
...as well as when you’re approaching your
new target altitude.
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