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Flight Management System (FMS) for the Agusta AW139/AB139 Helicopter
CLEARING OF FLIGHT PLANS
The active flight plan is cleared 5 seconds after removing power when
the aircraft is in flight or on the ground. Prior to removing power, the
active flight plan is stored. The active flight plan is retained over the
duration of the power loss.
Activating a stored flight plan clears the previous active flight plan.
Activating a stored flight plan while in flight is permitted, but the pilot is
required to confirm that the present active flight plan is to be replaced.
Whether on the ground or in flight, a stored flight plan or portion of a
flight plan is inserted into the active flight plan as a string of waypoints
starting at the point of insertion. Flight plans are also cleared one
waypoint at a time using the DEL key.
While on the ground, entering a new origin after some or all of the flight
plan has been defined, is permitted. When the new origin is already a
waypoint in the flight plan, the waypoints before the first appearance of
the new origin are deleted. When the new origin is not already a
waypoint in the flight plan, the whole flight plan is deleted. Deleting the
origin clears the entire flight plan and applies to both active and stored
flight plans.
Within approximately 15 seconds after landing, a CLEAR FPL prompt
is displayed at the bottom right corner of the screen. Selecting the
CLEAR FPL prompt clears the entire active flight plan.
Another action conducted on the ground for clearing the active flight
plan is to activate the previously inactive database on the NAV IDENT
page of the MCDU.
A28- - 1146- - 181
Operational Example
REV 3 Mar 2009
4-51
Honeywell International Inc. Do not copy without express permission of Honeywell.
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