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AUTOMATIC FLIGHT CONTROL SYSTEM
Description
Vol. 2 04−10−39
Oct 05/06
CL−605 Flight Crew Operating Manual
PSP 605−6
FLIGHT DIRECTORS (CONT'D)
FLC mode is cleared by:
• Pushing the FLC button;
• Selecting another vertical mode, or
• Capturing an armed vertical mode.
FLC Overspeed Protection Mode
The FCCs incorporate an overspeed protection mode to limit the aircraft indicated
airspeed/Mach from exceeding VMO/MMO. Overspeed protection is applied with the flight
directors off, and in any active vertical flight director mode except GS, ALTS or ALT.
FLC overspeed mode is activated automatically in the event of an overspeed condition; when
the airspeed is 10 KIAS above VMO, or Mach number is 0.015 M above MMO. When FLC
overspeed mode is active, a flashing yellow FLC annunciation is displayed in the active vertical
field of the FMA. The flight directors, if not in view, automatically appear, and provide pitch
commands to reduce airspeed 5 knots below VMO, or 0.02 Mach below MMO. FLC overspeed
mode is automatically cleared when this airspeed/Mach reference is reached. The vertical
mode will revert to FLC mode when the FLC overspeed mode is cleared.
NOTE
FLC overspeed mode cannot be cleared by pressing the FLC
button. As well, the flight directors cannot be selected off during
FLC overspeed mode operation.
Flight Level Change Mode
Figure 04−10−33
AUTOMATIC FLIGHT CONTROL SYSTEM
Description
Vol. 2 04−10−40
Oct 05/06
CL−605 Flight Crew Operating Manual
PSP 605−6
FLIGHT DIRECTORS (CONT'D)
FLC Overspeed Protection Mode
Figure 04−10−34
Vertical Takeoff Mode
On the ground, pushing either TOGA (takeoff/go-around) button, mounted on the thrust levers,
selects the takeoff mode and clears all other vertical modes. Lateral and vertical takeoff mode
(TO) selections are coincident. During takeoff mode, the flight directors operate in dual
independent mode. When takeoff mode is active, a green TO annunciation appears in the
vertical active field of the FMA, and ALTS mode is automatically armed to capture the
preselected altitude.
NOTE
The autopilot will disengage whenever a TOGA button is pressed on
the ground or in-flight. The autopilot visual and aural disengage
warnings may be canceled by pushing either TOGA button again, or
by pushing the AP/SP DISC switch.
The vertical component of takeoff mode (TO) normally generates a 14-degree pitch-up
command. Loss of engine during takeoff changes the pitch-up reference to 10 degrees.
Takeoff vertical mode is cleared by:
• Selecting or capturing another active mode;
• Engaging the autopilot; or
• Pressing the FD SYNC button.
AUTOMATIC FLIGHT CONTROL SYSTEM
Description
Vol. 2 04−10−41
Oct 05/06
CL−605 Flight Crew Operating Manual
PSP 605−6
FLIGHT DIRECTORS (CONT'D)
Vertical Takeoff Mode
Figure 04−10−35
Vertical Go-Around Mode
In the air, pushing either TOGA (takeoff/go-around) button, mounted on the thrust levers, selects
the go-around mode and clears all other vertical modes. Lateral and vertical go-around mode
(GA) selections are coincident. During go-around mode, the flight directors operate in dual
independent mode. When go-around mode is active, a green GA annunciation appears in the
vertical active field of the FMA.
NOTE
The autopilot will disengage whenever a TOGA button is pressed on
the ground or in-flight. The autopilot visual and aural disengage
warnings may be canceled by pushing either TOGA button again, or
by pushing the AP/SP DISC switch.
The vertical component of go-around mode (GA) generates a 10-degree pitch-up command.
Go-around vertical mode is cleared by:
• Selecting or capturing another active mode;
• Engaging the autopilot; or
• Pressing the FD SYNC button.
AUTOMATIC FLIGHT CONTROL SYSTEM
Description
Vol. 2 04−10−42
Oct 05/06
CL−605 Flight Crew Operating Manual
PSP 605−6
FLIGHT DIRECTORS (CONT'D)
Vertical Go-Around Mode
Figure 04−10−36
Glideslope Mode
Glideslope mode (GS) generates commands to capture and track the glideslope of an ILS
approach. Each flight director captures independently in approach mode, and operates in the
dual independent configuration.
Glideslope mode becomes armed automatically when the aircraft is inbound and in approach
mode (APPR button selected), with less than 105 degrees between heading and LOC course.
When armed, a white GS annunciation appears in the vertical armed field of the FMA.
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庞巴迪挑战者605机组操作手册 CL605-AUTOMATIC_FLIGHT_CONTROL_S(13)
