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Rudder Mistrim Left
Aileron Mistrim Right
Roll servo providing sustained force in the indicated direction
Aileron Mistrim Left
Elevator Mistrim Down
Pitch servo providing sustained force in the indicated direction
Elevator Mistrim Up
Emergency Descent Mode
AP engaged when aircraft altitude above 30,000 ft and cabin pressurization is lost
Selected Heading set 90° left of current heading; Selected Altitude set to 15000 ft
Pitch Trim Failure
(or stuck MEPT Switch)
If AP engaged, take control of the aircraft and disengage AP
If AP disengaged, move MEPT switches separately to unstick
Yaw Damper Failure
YD control failure; AP also inoperative
Roll Failure
Roll axis control failure; AP inoperative
Pitch Failure
Pitch axis control failure; AP inoperative
System Failure
AP and MEPT are unavailable; FD may still be available
Preflight Test
Performing preflight system test; aural alert sounds at completion
Do not press the AP DISC Switch during servo power-up and preflight system tests as this may cause the preflight system test to fail or never to start (if servos fail their power-up tests). Power must be cycled to the servos to remedy the situation.
Preflight system test failed; aural alert sounds at failure
Table 7-6 AFCS Status Alerts
412 Garmin G1000 Pilot’s Guide for the Cessna Citation Mustang 190-00494-02 Rev. B
Automatic utomatic utomatic Flight Control System ystem
SYSTEM
OVERVIEW
FLIGHT
AUDIO PANEL EICAS INSTRUMENTS
& CNS
FLIGHT
MANAGEMENT
HAZARD
ADDITIONAL AFCS AVOIDANCE
INDEX APPENDICES FEATURES
Overspeed Protectionrotection
While Pitch Hold, Vertical Speed, Flight Level Change, Vertical Path Tracking, or an altitude capture mode is active, airspeed is monitored by the flight director and pitch commands are limited for overspeed protection. Overspeed protection is provided in situations where the flight director cannot acquire and maintain the mode reference for the selected vertical mode without exceeding the certified maximum autopilot airspeed.
When an autopilot overspeed condition occurs, the Airspeed Reference appears in a box above the Airspeed Indicator, flashing a yellow ‘MAXSPD’ annunciation. Engine power should be reduced and/or the pitch reference adjusted to slow the aircraft. The annunciation disappears when the overspeed condition is resolved.
Figure 7-47 Overspeed AnnunciationAirspeed Indicator
Emergency Descent Mode (EDM)
The Cessna Citation Mustang is equipped with an Emergency Descent Mode (EDM), available during high-altitude flight while the autopilot is engaged. EDM is automatically activated when cabin pressurization is lost at altitudes above 30,000 feet MSL. Throttles should be reduced to idle and speed brakes extended to achieve a maximum rate of decent. EDM is annunciated as the AFCS Status Annunciation and the following AFCS modes are selected:
• Flight Level Change Mode with the Selected Altitude set to 15,000 feet
• Heading Select Mode with the Selected Heading set to 90° left of the current heading
Figure 7-48 Emergency Descent ModeSelectedAltitudeSet to15000 ftFlight Level Change Mode ActiveHeading Select Mode ActiveAutopilot EngagedSelected Heading Set 90° Left of Current HeadingEmergency Decent Mode Annunciation
Garmin G1000 Pilot’s Guide for the Cessna Citation Mustang
190-00494-02 Rev. B
413
Additional Featureseatures
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EICAS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES
INDEX
Section 8 Additional Featureseatures NOTE: With the availability of SafeTaxi, ChartView, or FliteCharts in electronic form, it is still advisable to carry another source of charts on board the aircraft.
Additional features of the system include the following:
• Synthetic Vision System (SVS)
• SafeTaxi® diagrams
• ChartView and FliteCharts® electronic charts
• XM Radio entertainment for the passengers
• Scheduler
The optional Synthetic Vision System (SVS) provides a three-dimensional forward view of terrain features on the PFD. SVS imagery shows the pilot’s view of relevant features in relation to the aircraft attitude.
SafeTaxi diagrams provide detailed taxiway, runway, and ramp information at more than 700 airports in the United States. By decreasing range on an airport that has a SafeTaxi diagram available, a close up view of the airport layout can be seen.
The optional ChartView and FliteCharts provide on-board electronic terminal procedures charts. Electronic charts offer the convenience of rapid access to essential information. Either ChartView or FliteCharts may be configured in the system, but not both.
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Cessna Citation Mustang G1000 Integrated Flight Dec(146)
