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Gulfstream G150, Руководство по эксплуатации самолета

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Section VII
Systems

VII-22-6

Approach Mode (Vertical) 

Approach mode is selected by pressing the APPR button on the FGP.
The approach mode arms when selected and the system generates
commands to capture and track vertical guidance for precision
approaches (glideslope or GPS when approved) when the lateral
approach mode is in the track state and the vertical capture
requirements are met.

Vertical Navigation (VNAV)

The vertical navigation function enables the FMS to command various
FGS vertical modes and provide references for these modes. VNAV is
armed by pressing the VNAV button on the FGP except in ILS/MLS
vertical approach capture/track or when FLC overspeed mode is
active. Selection of VNAV does not automatically change the active
guidance mode. When VNAV is armed, the FMS can automatically
select the FGS vertical mode if required. The FGS generates
commands to follow the pitch command signal from the FMS when
coupled VNAV guidance is active in PATH and VGP modes. The pilot
can manually change any of the FCS mode selections made by the
FMS. Pilot action suspends the current FMS VNAV control of the FGS,
but does not preclude automatic reassertion of control by the FMS.

Go Around Mode (Vertical) 

Go around mode is selected by pressing the GA button on control
wheel. When in vertical go around mode, the system generates a fixed
9° pitch up command.

Overspeed Mode

Overspeed mode is automatically selected when an overspeed occurs,
unless altitude hold mode or preselect altitude capture or track states
are active. When in overspeed mode, the system generates
commands to reduce the airspeed at 0.865 - 0.87 M

i

. Airspeed bug

moves to 0.84 M

i

.

 

The system remains in overspeed mode until

changed by the pilot or an automatic mode change occurs.

10 Sep 2006

Содержание G150

Страница 1: ...er Module 2 One FGP 3000 Flight Guidance Panel 1 SVO 85C Primary Servo 2 SMT 86C Servo Mount 2 SVO 85B Primary Servo 1 SMT 86B Servo Mount 1 FGS MODES Flight Guidance Mode Selection The primary means of selecting and deselecting flight guidance modes is by pressing the appropriate button on the FGP pressing an FGP button when the mode is not selected will select the mode A subsequent press of the ...

Страница 2: ... greater than 30 at mode activation the system generates commands to hold the roll angle at 30 Heading Select Mode HDG When in heading select mode the system generates commands to capture and maintain the selected heading shown on the PFD and or MFD The selected heading is set by the HDG knob on the FGP Heading mode is selected by pressing the HDG switch on the FGP Modes Activated by Control Funct...

Страница 3: ...s selected by pressing the B C button on the FGP when a localizer is tuned When in back course mode the system generates commands to capture and track the back course approach localizer Go Around Mode Lateral Go around mode is selected by pressing the GA button When in lateral go around mode the system generates commands in the lateral axis to hold the heading existing when the GA button is presse...

Страница 4: ... When in pitch hold mode the VS pitch wheel down up is used to change the pitch reference Continued Modes Activated by Control Functions Pitch Hold Basic Pitch Hold Altitude Hold ALT Altitude Hold Pressure Altitude Altitude Preselect Altitude Preselect Baro Altitude Vertical Speed VS Vertical Speed fpm Flight Level Change FLC IAS Mach Approach APPR FMS Glideslope Vertical Navigation VNAV FMS Go Ar...

Страница 5: ... capture track and flight level change overspeed modes When in vertical speed mode the system generates commands to maintain the vertical speed that exists when the mode is selected In vertical speed mode the VS Pitch wheel is used to slew the vertical speed reference Flight Level Change Mode FLC Flight level change mode is selected by pressing the FLC button on the FGP except when in vertical app...

Страница 6: ...MS can automatically select the FGS vertical mode if required The FGS generates commands to follow the pitch command signal from the FMS when coupled VNAV guidance is active in PATH and VGP modes The pilot can manually change any of the FCS mode selections made by the FMS Pilot action suspends the current FMS VNAV control of the FGS but does not preclude automatic reassertion of control by the FMS...

Страница 7: ...d response are provided by a dual channel main processor Level II verified and I O processor Level I verified architecture The main processor provides protection against flight guidance data failures and single channel attitude control failures The I O processor provides additional limiters and monitors including protection from possible generic software design errors in the main processor program...

Страница 8: ... These limiters limit the aircraft response to those approaching normal maneuvering 5 second of roll rate in the lateral axis and 0 2g in the vertical axis Aircraft response to failures which result in main processor servo commands exceeding the maximum rate limit are limited by the I O processor cutout function and servo torque limiting If the aircraft exceeds predetermined attitudes attitude rat...

Страница 9: ... commands are displayed on both PFD s with two exceptions In approach or go around modes left flight director commands are displayed on the left PFD and right flight director commands are displayed on the right PFD The autopilot if engaged is always coupled to the selected flight director The selected flight director commands are sent to the attitude loops in both computers where identical computa...

Страница 10: ... 50 000 ft Normally each click of this switch changes the preselected altitude by 1000 foot increments The switch has a second position that is achieved by pulling the knob away from the panel The increment size is changed to 100 ft per click In either position the full range 1000 to 50 000 is available Movement of the switch automatically arms altitude select except when in approach mode HDG knob...

Страница 11: ...gagement is possible FD button 2 Selects and removes the steering commands on the PFD At power up the steering commands are displayed on the PFD Steering commands are selected on both PFD s by engaging the autopilot selection of go around mode automatic selection of overspeed mode or by manual selection of a vertical or lateral mode when steering commands are not displayed on either PFD and the au...

Страница 12: ...hbutton controls which flight guidance commands drive the flight director command bars In approach and go around modes the flight directors operate independently The following buttons are momentary buttons used to select deselect modes Unless the active mode is approach selection of a lateral or vertical mode respectively automatically deselects any other lateral or vertical mode Unless the active...

Страница 13: ...h capture track or by onside FMS navigation capture track NAV button Selects deselects the navigation mode In NAV mode the autopilot uses the active navigation source selected on the display control panel DCP APPR button Selects deselects approach mode B C button Selects deselects back course mode There is no automatic selection of back course mode ALT button Selects deselects altitude hold mode V...

Страница 14: ...than the current altitude the climb submode is entered If the preselected altitude is lower than the current altitude the descend submode is entered In either case a minimum vertical speed is implemented which forces the aircraft toward the selected altitude with a certain minimum vertical speed VS button Selects deselects vertical speed mode There are two additional autopilot switches external to...

Страница 15: ...Section VII Systems VII 22 15 Figure 7 22 1 FGP 3000 Flight Control Panel 10 Sep 2006 ...

Страница 16: ...Section VII Systems VII 22 16 Figure 7 22 2 Autopilot Controls 10 Sep 2006 ...

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