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Flight Management System (FMS) for the Agusta AW139/AB139 Helicopter
7.
Flight Plan
INTRODUCTION
This section covers the elements and operation for the active and
stored flight plan pages. Also included are a description of LNAV (lateral
navigation), VNAV (vertical navigation), and speed commands.
DEFINITION OF TERMS
Flight Plan -- A flight plan is a series of waypoints defining an
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intended route of flight. Each waypoint in the flight plan must be
defined laterally and vertically. The course between two waypoints
in the flight plan is called a flight plan leg. The FMS (flight
management system) calculates the great circle course for each leg
in the flight plan. The active flight plan includes the route to a primary
destination followed by the route to an alternate destination.
Flight Plan Names -- Flight plan names are used to trackstored
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flight plans. Flight plan names are used to recall a stored flight plan
into the active flight plan. Flight plan names must have a minimum
of six characters and a maximum of ten. A convenient naming
convention is to use the origin and destination. The airport identifiers
are separated by a dash (--). For more than one flight plan between
the same set of identifiers, add a number at the end of the name. For
example, a flight between Phoenix and Minneapolis could use
KPHX--KMSP1 for the flight plan name.
Flight Plan Capacity -- Stored or active flight plans can have up to
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100 waypoints including the origin and destination. For active flight
plans, the combined waypoints of the primary flight plan and the
alternate flight plan cannot exceed the 100 waypoint capacity. When
a flight plan is revised to exceed the 100 waypoint capacity, the
revision is not conducted. The message FLIGHT PLAN FULL is
displayed in the scratchpad. When a SID (standard instrument
departure), STAR (standard terminal arrival route), airway, or stored
flight plan is added and exceeds the limit, none of the inserted
waypoints are added to the flight plan.
A28- - 1146- - 181
REV 3 Mar 2009
Honeywell International Inc. Do not copy without express permission of Honeywell.
Flight Plan
7-1
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