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Flight Management System (FMS) for the Agusta AW139/AB139 Helicopter
Flyover Pattern
Under normal circumstances, the FMS begins turning before reaching
the waypoint (that is, the aircraft is turned inside the waypoint). In some
cases, the requirement is to proceed to the waypoint before
commencing the turn. This is done by using the flyover pattern feature
of the FMS. In many cases, flyovers are entered in the flight plan
automatically when required from database procedures.
DEFINING A FLYOVER
Unlike holding patterns, there are no pilot entered options required for
flyovers. Therefore, there is no dedicated FLYOVER PATTERN page.
Follow Procedure 6--21 to define a flyover.
Step
Procedure 6- -21 Flyover Pattern Definitions
1
Push DIR key.
2
Select PATTERN prompt at 6L. As an alternative,
PATTERNS are selected from the NAV INDEX (page 2).
3
Select the FLYOVER prompt at 2L. This action places
*FLYOVER* in the scratchpad.
4
Push the left line select key adjacent to the desired flyover
pattern fix waypoint. The flyover is displayed as a reverse
video F adjacent to the course flown to the waypoint. With
this option, the aircraft flies to the waypoint before turning
is started.
NOTE:
Inserting a flyover on the last waypoint in the flight plan
(excluding the destination) causes the last leg of the flight
plan to be removed from the MFD map. In order to display the
last leg of the flight plan on the MFD, the pilot must remove
the flyover on the last waypoint.
DELETING A FLYOVER
Deleting a flyover is accomplished by selecting *DELETE* from the
scratchpad. Only the flyover is deleted, not the waypoint. A second
delete is used to delete the waypoint.
EXITING A FLYOVER
There are no exit procedures. Either deleting the flyover or changing the
flight plan eliminates the flyover waypoint.
A28- - 1146- - 181
REV 3 Mar 2009
Honeywell International Inc. Do not copy without express permission of Honeywell.
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