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庞巴迪挑战者605公务机机组操作手册 CL605-AUTOMATIC_FLIGHT_CONTROL_SYSTEM(19)

时间:2011-10-27 00:46来源:蓝天飞行翻译 作者:公务机
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Selecting another vertical mode, or

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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  04.10.41 
Oct 05/06 


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:
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Selecting or capturing another active mode;

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Engaging the autopilot; or

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Pressing the FD SYNC button.

 


 AUTOMATIC FLIGHT CONTROL SYSTEM Description  Vol. 2  04.10.42 
Oct 05/06 


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.
 
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