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system adjusting to the selected speed.
NOTE
Some excursions above VMO/MMO may occur when using the
autopilot or flight director in IAS or vertical speed mode. Care should
be taken not to exceed VMO/MMO.
If desired:
(1) Vertical speed mode.............................................Select
• Using the vertical speed mode (VS) switch.
(2) Vertical reference value............................................ Set
• Using the speed/pitch wheel.
• Push the wheel forward to decrease the vertical speed value (also a pitch down
command), and pull backward to increase the vertical speed value (also a pitch up
command).
(3) Target descent speed............................................... Set
(4) Thrust levers.........................................................Adjust
• As required.
(5) Target altitude .......................................................... Set
• To the approach altitude or as instructed by ATC.
8. HOLDING
Prior to entering the hold, cruising speed should be reduced to holding speed (VREF + 30 KIAS),
by selecting the target speed using the speed bug knob on the FCP, and reducing thrust, as
necessary. Altitude hold is selected to maintain the desired pressure altitude, and changes in
heading are accomplished by going into the heading mode and selecting the appropriate
headings, as required.
SUPPLEMENTARY PROCEDURES
Automatic Flight Control System
Vol. 1 06−03−4
REV 74, Nov 07/08
CL−604 Operating Manual
PSP 604−6
9. INSTRUMENT APPROACHES
Autopilot procedures for instrument approaches are essentially the same. The autopilot must not
be used, however, at altitudes below 320 feet AGL, except when on an ILS approach, where the
minimum allowable altitude for the operation of the autopilot is 80 feet AGL.
During approaches, descent is initiated by using the vertical speed mode, by selecting the VS
switch which will automatically maintain the referenced vertical speed. When desired, the
reference vertical speed can be changed by using the Speed/Pitch wheel adjacent to the VS
switch.
The preselect altitude is set to the procedure turn altitude (if applicable), when tracking outbound
from the fix. Maintaining headings and turns are accomplished in the heading mode by pressing
the HDG switch, and rotating the heading select knob to the desired heading(s). If so desired, the
half bank mode may be used in conjunction with the heading select mode.
When cleared for the approach on the inbound leg to the fix, or when on the localizer intercept
heading for a straight-in approach, select the approach mode by pressing the APPR switch. The
flight control computer then arms for glideslope capture, if on a front course approach, captures
the glide slope (as annunciated by green GS on the PFDs), and maintains flight on the glide path.
The half bank mode (if previously selected) will be automatically cleared in this instance.
At this point, the preselect altitude should be set to the missed approach altitude, to prepare for a
possible overshoot.
In all instances, changes to the thrust setting must be made accordingly, in order to maintain the
desired speed.
10. CIRCLING
If the circling altitude is lower than 320 feet AGL, the autopilot must not be used.
If the autopilot is used, altitude hold is accomplished by selecting ALT mode, which will maintain
the pressure altitude existing at the time of selection. Turns are accomplished in the heading
mode, and descents made with the vertical speed mode.
11. MISSED APPROACH
The autopilot may be engaged after a missed approach, at a safe altitude (not below
320 feet AGL). The missed approach altitude should already have been selected when tracking
inbound towards the fix. Turns are accomplished in the heading mode, and climbs made with
thrust adjustments to achieve the appropriate climb speed, enabling the autopilot to capture the
preselected missed approach altitude.
SUPPLEMENTARY PROCEDURES
Automatic Flight Control System
Vol. 1 06−03−5
REV 74, Nov 07/08
CL−604 Operating Manual
PSP 604−6
SUPPLEMENTARY PROCEDURES
Automatic Flight Control System
Vol. 1 06−03−6
REV 74, Nov 07/08
CL−604 Operating Manual
PSP 604−6
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1. ELECTRICAL REQUIREMENTS
The APU 28 volt start motor normally gets its power directly from the APU battery, which is 24
volts DC. AC power from whatever source is not capable of augmenting a weak battery;
therefore, the batteries must have adequate power to effect a successful normal start.
An alternate APU start utilizes DC power supplied from a ground power source, connected to the
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庞巴迪挑战者604操作手册 Operating Manual 2(44)
