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Garmin GFC 500 Reference
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GFC 500 Master Controls
AP Key –
LVL Key – Level
Engage/Disengage
Light Sensor
the aircraft in
autopilot
pitch and roll
Mode Status
Lights – Points
down to the
active mode
Master Control
FD Key –
Toggle flight
director bars
GMC 507 – Autopilot Controller

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Summary of Contents for Garmin GFC 500

  • Page 1 GFC 500 Master Controls AP Key – LVL Key – Level Engage/Disengage Light Sensor the aircraft in autopilot pitch and roll Mode Status Lights – Points down to the active mode Master Control FD Key – Toggle flight director bars...
  • Page 2 GFC 500 Mode Controls * APR Key – IAS Key – ALT SEL Nose Up/Down HDG/TRK Knob – Set Knob – Set Wheel – Adjust Toggle Toggle Airspeed desired Heading/Track Approach mode mode desired altitude vertical mode rate * VNAV Key –...
  • Page 3 GI-275 AFCS Status Box Arrangement of Roll, Status, and Pitch modes mirror the layout on the autopilot mode controller Flight Director Aircraft Symbol Command Bars Roll Modes Pitch Modes Green text = active mode White text = armed mode Autopilot Status...
  • Page 4 Altitude Alerting & Level-off Nose Up/Dn Altitude Selected Altitude Wheel Selector Knob IAS Key VS Key Selected IAS Altitude Hold Selected VS...
  • Page 5: Afcs Controls

    AFCS Controls Control Location Description Autopilot Controller Activates the autopilot/flight (GMC 507) Avionics Stack director, and selects the desired mode. AP DISC / TRIM INT • Press and release to disengage (Autopilot Disconnect Switch) the autopilot. • Press and hold 5 seconds to Left Yoke Horn disable ESP.
  • Page 6 Lateral (Roll) Modes Mode Description Control Annunciation Roll Hold Hold the current aircraft roll attitude, or wings- (default) level if less than 6˚ bank Heading Capture & track the HDG key selected heading Track Capture & track the TRK key selected ground track Enroute Navigation –...
  • Page 7 Vertical (Pitch) Modes Mode Description Control Annunciation Pitch Hold Hold the current aircraft (default) pitch attitude Selected Altitude Capture Capture the selected ALTS (automatic) altitude (bug or VNAV) ALTV Altitude Hold Hold the current ALT key altitude Vertical Speed Maintain the current VS key aircraft vertical speed Indicated Airspeed (IAS)
  • Page 8: Approach Modes

    Approach Modes Approach Mode Description Control Annunciation Approaches without vertical guidance Capture & track a GPS approach course Capture & track a VOR approach course NAV key Capture & track a LOC approach course Capture & track a BC approach course Approaches with vertical guidance Glidepath...
  • Page 9 VNAV Descent Mode Set the selected navigation source to GPS Have an active flight plan with VNAV constraints set Altitude constraint must be “at” or “at or below”  Set the altitude selector to lowest assigned altitude Press the VNAV key Altitude selection (bug) has priority over VNAV ...
  • Page 10: Approaches Without Vertical Guidance

    Approaches without vertical guidance Step-down fixes Set the altitude preselect to the next required altitude Select VS, IAS, or PIT mode to descend to the next step-down fix Activation prior to FAF Set the selected navigation source as appropriate Verify/set the CDI to the desired course For BC approaches, set the CDI to the front course ...
  • Page 11: Approaches With Vertical Guidance

    Approaches with vertical guidance Step-down fixes Set the altitude preselect to the next required altitude Select VS, IAS, or PIT mode to descend to the next step-down fix Activation prior to FAF Set the selected navigation source as appropriate Verify/set the CDI to the desired course Press the APR key Verify the correct approach mode is annunciated FAF to MAP...
  • Page 12 Glideslope Intercept & Tracking Mode progression  APR Key pressed Glidepath mode armed White GP/GS  Glidepath captured ALT extinguished  Green GP/GS ...

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Gmc 507