Garmin GFC 500 Manual
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Garmin GFC 500 Manual

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  • Page 2 Garmin. Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed and to print one copy of this manual or of any revision...
  • Page 3 Cessna F182P / F182Q DATE OF PAGE NO(S) DESCRIPTION FAA APPROVED APPROVAL Robert G. Murray Original Issue 12/21/2017 Garmin ODA STC Unit Administrator Added VNAV See Cover See Cover AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page i...
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  • Page 5: Table Of Contents

    VERTICAL NAVIGATION (VNAV) ...................... 4-3 GO AROUND ............................4-4 MANUAL PITCH TRIM WITH AUTOPILOT ENGAGED ..............4-4 LATERAL MODES ..........................4-5 HEADING MODE (HDG) ........................4-5 AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page iii...
  • Page 6 Section 7 – System Description ................7-1 AFCS OVERVIEW ..........................7-1 AUTOPILOT CONTROL UNIT AND DISPLAY ..................7-4 PREFLIGHT TEST ..........................7-7 MESSAGES AND ANNUNCIATIONS ....................7-7 LIGHTING............................... 7-8 AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page iv...

  • Page 7: Section 1 - General

    Handbook and FAA Approved Airplane Flight Manual (POH/AFM) when the airplane has been modified by installation of the Garmin GFC 500 Autopilot system in accordance with Garmin International, Inc. approved data. The information in this supplement supersedes or adds to the basic POH/AFM only as set forth below. Users of the manual are advised to always refer to the supplement for possibly superseding information and placarding applicable to operation of the airplane.

  • Page 8: Abbreviations And Terminology

    Garmin Servo Actuator AFCS heading mode Indicated Airspeed Instrument Landing System Interrupt KIAS Knots Indicated Airspeed LNAV Lateral Navigation LNAV+V Lateral Navigation with Advisory Vertical Guidance AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 1–2...

  • Page 9: Installed Equipment Interfaces

    INSTALLED EQUIPMENT INTERFACES The following is the list of installed equipment and functions associated with the GFC 500 Autopilot installation in this airplane. Table 1-1: Table of Installed Equipment Interfaces DEVICE TYPE Manufacturer / Model Additional Information If not installed, note N/A...

  • Page 10: Installed Features Checklist

    Altitude Capture via Altitude Preselect   VHF Navigation Indicated Airspeed (IAS)   Approach Mode Vertical Navigation (VNAV)   GPS Approach Glidepath   VOR/LOC ILS Glideslope AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 1–4...

  • Page 11: Section 2 - Limitations

    A pilot must be seated in the left pilot’s seat, with seatbelt fastened, during all autopilot operations. Do not use autopilot during takeoff and landing. The GFC 500 AFCS preflight test must complete successfully prior to use of the autopilot, flight director or manual electric trim.
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  • Page 13: Section 3 - Emergency Procedures

    Do not attempt to re-engage the autopilot or use manual electric pitch trim until the cause of the malfunction has been corrected. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 3–1...

  • Page 14: Autopilot Failure / Abnormal Disconnect

    Refer to Section 7, System Description for further information. ESP will be disabled by pressing and holding the AP DISC / TRIM INT button. Releasing the button will allow ESP to function. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 3–2...

  • Page 15: Overspeed Protection (Maxspd)

    3. Autopilot .........RESELECT VERTICAL AND LATERAL MODES (if necessary) 4. Throttle ......................ADJUST as necessary NOTE Autopilot Underspeed Protection Mode provides a pitch down command to maintain 65 KIAS. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 3–3...
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  • Page 17: Section 3A - Non-Normal Procedures

    3. NAV Key ..........................PRESS If on an instrument approach at the time the navigation signal is lost: 4. Missed Approach Procedure ..............EXECUTE (as applicable) AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 3–5...

  • Page 18: Loss Of Airspeed Data

    If on an instrument approach: • AP DISC / TRIM INT button ........PRESS, Continue the approach manually • Missed Approach Procedure ............EXECUTE (as applicable) AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 3–6...

  • Page 19: Heading Data Source Failure

    For example, TRIM DOWN indicates nose down control wheel force will be required upon autopilot disconnect. 2. AP DISC / TRIM INT Button .................PRESS AND RELEASE AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 3–7...
  • Page 20 3. Manual Elevator Trim ..................RE-TRIM as required Electric pitch trim should be considered inoperative until the cause of the mistrim has been investigated and corrected. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 3–8...

  • Page 21: Section 4 - Normal Procedures

    During the preflight test the G5 will display PFT in the autopilot status box. The autopilot disconnect tone sounds at the completion of the preflight test. When the GFC 500 passes preflight test, PFT will be removed from the autopilot status box.

  • Page 22: Vertical Modes

    ALT key is pressed. The altitude reference is displayed in the autopilot status box. The reference may be changed by +/- 200 FT using the UP / DN wheel. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 4–2...

  • Page 23: Vertical Navigation (Vnav)

    ALTS will be the armed mode during the descent if the altitude preselect is set at or above the VNAV reference altitude, indicating that the autopilot / flight director will capture the altitude preselect altitude reference. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 4–3...

  • Page 24: Go Around

    If TRIM UP message is displayed ............MANUALLY TRIM nose up If TRIM DOWN message is displayed ..........MANUALLY TRIM nose down AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 4–4...

  • Page 25: Lateral Modes

    VOR mode. The pilot must ensure that the current heading will result in a capture of the selected course. If the CDI is one dot or less from center, the autopilot will enter the capture mode when the NAV key is pressed. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 4–5...

  • Page 26: Navigation (Gps)

    GPS mode. The pilot must ensure that the current heading will result in a capture of the selected course. If the CDI is one dot or less from center, the autopilot will enter the capture mode when the NAV key is pressed. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 4–6...

  • Page 27: Approaches

    APR key is pressed. The glideslope cannot be captured until the localizer is captured. The autopilot can capture the glideslope from above or below the glideslope. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 4–7...

  • Page 28: Loc Approach (Gs Out)

    8. GO AROUND (GA) button ........PRESS, Execute Missed Approach Procedure 9. Apply GA power. NOTE Pressing the GA button will not disconnect the autopilot. Select NAV or HDG mode to fly the missed approach procedure. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 4–8...

  • Page 29: Gps Approach (Lpv, Lnav/Vnav, Lp+V, Or Lnav+V)

    8. GO AROUND (GA) button ........PRESS, Execute Missed Approach Procedure 9. Apply GA power. NOTE Pressing the GA button will not disconnect the autopilot. Select NAV or HDG mode to fly the missed approach procedure. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 4–9...

  • Page 30: Loc Bc Approach

    8. GO AROUND (GA) button ........PRESS, Execute Missed Approach Procedure 9. Apply GA power. NOTE Pressing the GA button will not disconnect the autopilot. Select NAV or HDG mode to fly the missed approach procedure. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 4–10...

  • Page 31: Vor Approach

    8. GO AROUND (GA) button ........PRESS, Execute Missed Approach Procedure 9. Apply GA power. NOTE Pressing the GA button will not disconnect the autopilot. Select NAV or HDG mode to fly the missed approach procedure. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 4–11...

  • Page 32: Disabling Esp

    ESP can be disabled on the G5 attitude indicator with the following procedure. ESP will default to “Enabled” on the next power cycle. G5 Knob..........................PRESS 2. ESP ............................SELECT 3. G5 Knob ..........................PRESS AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 4–12...

  • Page 33: Section 5 - Performance

    SECTION 5 – PERFORMANCE No Change. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 5–1...
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  • Page 35: Section 6 - Weight And Balance

    SECTION 6 – WEIGHT AND BALANCE No change to loading information. Refer to current weight and balance report and equipment list for changes to empty weight/moment and installed equipment. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 6–1...
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  • Page 37: Section 7 - System Description

    SECTION 7 – SYSTEM DESCRIPTION AFCS OVERVIEW The GFC 500 is a digital Automatic Flight Control System (AFCS). It is a two-axis autopilot and flight director system which provides the pilot with the following features: G5 Outputs to Autopilot — The G5 flight instrument provides attitude, rate, and acceleration information to the servos.
  • Page 38 Display symbology implemented for ESP is illustrated in the following figures. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 7–2...
  • Page 39 The opposite roll limit remains at the engagement limit. Lower Disengagement Limit Indication depicted at 30° after ESP activation Figure 7-2: Engagement Limit Indications Upon ESP Activation AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 7–3...

  • Page 40: Autopilot Control Unit And Display

    AUTOPILOT CONTROL UNIT AND DISPLAY Figure 7-3: GMC 507 Control Unit (Reference Only) Figure 7-4: G5 Display (Reference Only) AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 7–4...
  • Page 41 * ALTS arms automatically when PIT, VS, IAS, or GA is active. ** ALTV arms automatically if the VNAV Target Altitude is to be captured instead of the Selected Altitude. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 7–5...
  • Page 42 The autopilot is capable of commanding the aircraft in the following ranges: Pitch 20° nose up to 15° nose down Roll ±30° AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2 Page 7–6...

  • Page 43: Preflight Test

    During the preflight test the G5 will display PFT in the autopilot status box. The autopilot disconnect tone sounds at the completion of the preflight test and the PFT annunciation is removed. If GFC 500 fails the PFT, a yellow AP with a red X is displayed in the autopilot status box on the G5.

  • Page 44: Lighting

    When the aircraft’s dimming bus is selected off, or full dim, GMC 507 mode control panel lighting is controlled by integrated photocells which sense the ambient cockpit lighting. AFMS – GFC 500 Autopilot in Textron 182 Series 190-02291-06 Rev. 2...

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