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Intercepting a VOR Radial
During climb-out, the autopilot continues to fly the aircraft in Heading Select Mode. Airway V4 to Salina VOR (SLN) should now be intercepted. Since the enroute flight plan waypoints correspond to VORs, flight director Navigation Mode using either VOR or GPS as the navigation source may be used. In this scenario, VOR Navigation Mode is used for navigation to the first VOR waypoint in the flight plan.
Intercepting a VOR radial:
1) Arm VOR Navigation Mode:
a) Tune the VOR frequency.
b) Press the CDI Softkey to set the navigation source to VOR.
c) Use the CRS1 or CRS2 Knob to set the Selected Course to the desired value, 255°. Note that at this point, the flight director is still in Heading Select Mode and the autopilot continues to fly the Selected Heading, 290°.
d) Press the NAV Key. This arms VOR Navigation Mode and the white ‘VOR’ annunciation appears to the left of the active lateral mode.
2) As the aircraft nears the Selected Course, the flight director transitions from Heading Select to VOR Navigation Mode and the ‘VOR’ annunciation flashes green. The autopilot begins turning to intercept the Selected Course.
3) The autopilot continues the turn until the aircraft is established on the Selected Course.
Figure 7-38 Intercepting a VOR Radial03691215182124273033HDG Mode, VOR ArmedVOR NAV ModeV 4SalinaVOR(SLN)123Hdg290o255o
402 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
Flyinglying a Flight Plan/GPS Course Noteote: Changing the navigation source cancels Navigation Mode and causes the flight director to revert back to Roll Hold Mode (wings rolled level).
As the aircraft closes on Salina VOR, GPS is used to navigate the next leg, airway V244. The aircraft is currently tracking inbound on Airway V4.
Flying a GPS flight plan:
1) Transition from VOR to GPS Navigation Mode:
a) Press the CDI Softkey until GPS is the selected navigation source.
b) Press the NAV Key to activate GPS Navigation Mode. The autopilot guides the aircraft along the active flight plan leg.
2) Following the flight plan, the autopilot continues to steer the aircraft under GPS guidance. Note that in GPS Navigation Mode, course changes defined by the flight plan are automatically made without pilot action required.
Figure 7-39 Transition to GPS Flight Plan03691215182124273033VOR NAV ModeGPS NAV ModeV 24412V 4076o075o260o03691215182124273033SalinaVOR(SLN)HaysVOR(HYS)
190-00494-02 Rev. B Garmin G1000 Pilot’s Guide for the Cessna Citation Mustang 403
Automatic utomatic utomatic Flight Control System ystem
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS EICAS AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE AFCS ADDITIONAL
FEATURES APPENDICES INDEX
Descent
While flying the arrival procedure, the aircraft is cleared for descent in preparation for the approach to KCOS. Three methods are presented for descent:
• Flight Level Change descent – Flight Level Change Mode can be used to descend to the Selected Altitude at a constant airspeed. This descent method does not account for flight plan waypoint altitude constraints.
• Vertical Path Tracking descent – Vertical Path Tracking Mode is used to follow the vertical descent path defined in the GPS flight plan. Altitude constraints correspond to waypoints in the flight plan. Before VNV flight control can provide vertical profile guidance, a VNV flight plan must be entered and enabled.
• Non-path descent in a VNV scenario – A VNV flight plan is entered and enabled however, Pitch Hold, Vertical Speed, or Flight Level Change Mode can be used to descend to the VNV Target Altitude prior to reaching the planned TOD. Flight Level Change Mode is used in the example.
Flight Level Change descent:
1) Select Flight Level Change Mode:
a) Using the ALT SEL Knob, set the Selected Altitude to 10,000 feet.
b) Press the FLC Key to activate Flight Level Change Mode. The annunciation ‘FLC’ appears next to the Airspeed Reference, which defaults to the current aircraft airspeed. Selected Altitude Capture Mode is armed automatically.
c) If desired press the SPD Key to display the Airspeed Reference in Mach.
2) Use the NOSE UP/DN Wheel or push the CWS Button while hand-flying the aircraft to adjust the commanded airspeed while maintaining the same power, or reduce power to allow descent in Flight Level Change Mode while the autopilot maintains the current airspeed.
3) As the aircraft nears the Selected Altitude, the flight director transitions to Selected Altitude Capture Mode, indicated by the green ‘ALTS’ annunciation flashing for up to 10 seconds.
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Cessna Citation Mustang Pilot’Guide 2(42)
