Honeywell ?##~&wcE
At point @ the current target speed
cruise speed schedule).
is 0.78 M
(from the
At point @ the target speed changes (and latches) to 0.80 M.
At point ~ the target speed changes to 0.75 M to allow the
aircraft to decelerate into WPT5.
At point ~ the target speed is now latched to 0.75 M.
P
At point 13 ,
if it is desired to return to the cruise speed
schedule o 0.78 M, line select DELETE to lR on
the active
flight plan page (CMD
SPD).
At point @ the aircraft begins its descent and the speed
target automatically changes to the descent
speed schedule of
0.80 M as entered in the performance initialization.
4. D. (5) (c) Descent Phase
Descent speed rules:
. Rule 1 - Only constraint speeds less than the descent speed
schedule are observed.
● Rule 2
- Target speeds will latch to the constraint speed.
. Rule3 -
The descent speed schedule can be changed at any
time. If
the current target speed is latched, only changes
to the descent speed schedule less than the latched speed
will be honored.
Speeds entered above the latched speed are
limited to the latched speed. If
the current latched speed
is deleted then all changes to
the descent speed schedule
will be honored, assuming speed limits are not violated.
Figure 274 shows the descent phase of the flight. The
following paragraphs refer to the circled numbers shown.
22-14-00
Page 298.221
Aug 15/91
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