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be pressed to accept each data field. The ARM HOLD prompt
changes to DTO HOLD after the line select key is pressed.
Holding patterns cannot be armed on the ground.
The ENTRY field will display the entry that will be flown when the
pattern is activated. Entries will be direct (DRECT), parallel (PARLL)
or teardrop (TRDRP). The pilot can modify these when within ±20°
from AIM holding pattern entry sector boundary line.
6. Press the Entry line select key to access the HOLD ENTRY
page. If an optional entry is available it will appear in large font
with an arrow. Press the appropriate line select key to change.
7. Estimated Time of Arrival at Fix (ETA) will be displayed in UTC
at all times. ETA will be updated each time the FIX is overflown,
and will take into account current TAS and wind conditions.
If a holding pattern is armed, it can be disarmed by pressing
DISARM HOLD on the MANEUVER page.
The Holding Pattern page can also be accessed from the DTO page
by pressing The HOLDING line select key. If this method is used,
line select key [5L] will display DTO HOLD.
NOTE: Holding pattern turns are made at standard rate and
configuration bank limits do not apply. Should the aircraft
Automatic Flight Control System limit the bank angle (i.e..
1/2 bank) the holding pattern will not be flown to the
standard turn rate requirement.
If the TAS and/or wind are too high for the holding pattern, the
message "HIGH HOLDING GRNDSPEED" will be generated to alert
the pilot that he should slow down. This message will only appear
when within 3 minutes of holding fix.
NOTE: If the HIGH HOLDING GRNDSPEED message is
generated, the resulting holding pattern may exceed the
lateral limits of protected airspace. Groundspeed should
be reduced prior to the holding waypoint alert, which
occurs 15 seconds prior to the holding fix.
Section V
Operations
5-52 2423sv602
Change 1
Line select key [2L] on the MANEUVER page will change to
PROCEED when the pattern is activated. If PROCEED is
subsequently selected, the aircraft will continue the current holding
circuit until overflying the holding fix, and will then proceed to the NX
waypoint as selected by the pilot. To exit holding, do a DTO a
waypoint, create a PVOR or perform a manual leg change.
Line select key [4L] will display CONTINUE HOLD whenever
PROCEED has been selected for any holding pattern. This option
will continue to display until the holding fix is sequenced the final
time. For HA and HF holding patterns the MANEUVER page will
display a CONTINUE HOLD when the holding pattern is active.
Pressing this key changes the holding pattern to an HM leg.
Editing of Holding Patterns
Prior to activation of a holding pattern all variables fields on the
Holding Pattern Definition page are editable. After activation of the
holding pattern only the TIME and DIST fields are editable.
Procedural holding patterns are considered part of the procedure
and any editing of the holding pattern will be treated as procedural
edits. Edits to the FIX, INBD/DIR, TURN DIR and TIME/DIST fields
on the holding page will remove the procedure. Changing the entry
type will not effect the procedure since entry types are not part of the
published procedure. The procedure will be cleared on the
Arrive/Departure page as appropriate and the Flight Plan Clearance
page will display the procedural legs rather than the procedure
name.
Section V
Operations
2423sv602 5-53
Change 1
SXTK - Parallel Course (Selected Crosstrack)
A parallel course may be established to provide guidance with
respect to an offset course, which is parallel to the leg, defined by
the FR/TO waypoints. The amount of offset is defined by the pilot in
this procedure.
1. On MNVR page, press SXTK line select key. Nav page 1 will be
displayed with cursor over the SX (Selected Crosstrack) entry
field. XTK will move up one line.
2. If necessary, press the sign reversal (±) key or the appropriate
alpha (L, R) key to change the direction (left or right) of offset.
3. Enter the desired offset in nautical miles and tenths, then press
ENTER.
When SX is entered, the SXTK annunciator on the instrument panel
will illuminate, XTK will indicate crosstrack from the selected
crosstrack, the system will provide steering to fly an appropriate
intercept to the selected crosstrack, and the HSI will be referenced
to the parallel (offset) course.
To cancel Selected Crosstrack Mode:
1. On MNVR page, press CNCL SXTK.
2. (An alternate method is to enter a value of 0.0 nm in the SXTK
data field on Nav page 1)
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