GPS NAVIGATION
190-00692-00 Rev. B
5-93
Garmin G1000 Pilot’s Guide for Piper PA32
ALTITUDE CONSTRAINTS
The G1000 provides a means to enter altitude constraints associated with waypoints in the active flight
plan so long as the waypoint is not the final approach fix, a waypoint after the FAF, or part of an unsupported
lateral leg type.
Altitude constraints are displayed and entered in mean sea level (MSL) values to the nearest hundreth. An
altitude constraint in above ground level (AGL) format is supported for airports. To convert the value to AGL,
turn the
FMS
Knob when MSL is highlighted and press the
ENT
Key. When a database altitude restriction is
displayed, the G1000 allows user entry of a different altitude when creating a waypoint, effectively overriding
the database restriction (only before the FAF). The G1000 allows activation of a displayed database altitude
restriction by highlighting the database constraint and selecting the
ENT
Key. When a database altitude
restriction of type “AT or ABOVE” or “AT or BELOW” is activated, the G1000 uses the “AT” portion of the
restriction to define the vertical profile.
The G1000 annunciates all constraints that cannot be used to calculate vertical guidance by displaying the
value in halftone, light blue text. The following conditions constitute an invalid altitude constraint:
• Meeting the constraint requires the aircraft to climb
• Meeting the constraint requires the maximum flight path angle to be exceeded
• Meeting the constraint requires the maximum vertical speed to be exceeded
• The altitude constraint results in a TOD behind the aircraft present position
• The constraint is within a leg type for which altitude constraints are not supported
• The pilot is attempting to add an altitude constraint to the FAF or a waypoint past the FAF of an approach
that provides vertical guidance (i.e. ILS or GPS WAAS approach)
• The pilot is attempting to add an altitude constraint to any waypoint past the FAF of an approach that does
not provide vertical guidance (i.e. not an ILS or GPS WAAS approach).
To enter altitudes as a flight level, enter an “F” in the most significant digit by rotating the inner FMS Knob
counter-clockwise past zero or clockwise past 9, the system will automatically change to show units of Flight
Level.
NOTE:
Vertical constraints and Along Track offset waypoints are not retained in stored flight plans.
NOTE:
When an altitude constraint is subdued it means that the user has selected a vertical profile that
cannot be flown. The computed FPA for adjacent vertical constraints is too steep.
Summary of Contents for G1000:Piper
Page 1: ...Piper PA32...
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