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Bendix/ King KFC 225 Automatic Flight Control System

Bendix/ King KFC 225 Automatic Flight Control System. KFC 225 Display. 3. KFC 225 OPERATION. Three axis system - lateral, vertical and optional yaw damper Preflight test “PFT” 12 sequences to test Must PFT or unit is not operable. KFC 225 SYSTEM OPERATION I.

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Bendix/ King KFC 225 Automatic Flight Control System

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  1. Bendix/ King KFC 225 • Automatic Flight Control System

  2. KFC 225 Display 3

  3. KFC 225OPERATION • Three axis system - lateral, vertical and optional yaw damper • Preflight test “PFT” • 12 sequences to test • Must PFT or unit is not operable

  4. KFC 225 SYSTEM OPERATION I • (P) Pitch Axis Annunciator • (R) Roll Axis Annunciator • (AP) Autopilot Engage/ Disengage • (FD) Flight Director Mode selector button : engages ROL (Basic roll) mode as a wing leveler, and into PIT (Pitch hold mode)

  5. KFC 225 SYSTEM OPERATION II • (HDG) Heading Mode • (NAV) Nav Mode: “if selected nav sensor <50% deflected when armed - system automatically captures, otherwise capture point will vary based on deflection and closure rate. • (APR) Approach Mode Selector. “ Note: if heading differs from selected course more than 105 degrees of selected course, REV ARM will automatically annunciate” • (REV) Back course selector. Will select the back course approach. Activates FD and inhibits glideslope

  6. KFC 225 SYSTEM OPERATION III • (HDG) Heading Mode • (NAV) Nav Mode: “if selected nav sensor <50% deflected when armed - system automatically captures, otherwise capture point will vary based on deflection and closure rate. • (APR) Approach Mode Selector. “ Note: if heading differs from selected course more than 105 degrees of selected course, REV ARM will automatically annunciate” • (REV) Back course selector. Will select the back course approach. Activates FD and inhibits glideslope

  7. KFC 225 SYSTEM OPERATION • (VS) Vertical Trim “UP” & “ DOWN: Response is dependent on vertical mode when pressed. If PIT mode: .5 deg. up or down per press, or .8 per second if continuous. If (ALT) mode is active button presses result: 20 ft per press, or 500ft./ min continuous. If (VS) mode active, 100 ft/ min per press, or 300 ft/ second continuous. • (Rotary Knobs) (Outer Knob: references thousands feet) (Inner knob: references hundreds feet) • (VS) Vertical Speed Mode Selector. Will maintain current vertical speed at moment button pressed, will activate FD, and will be annunciated • (ARM) Altitude ARM. Toggles altitude arming on or off. Will automatically CAPTure altitude displayed in the Altitude Alerter/ VS display.

  8. KFC 225 SYSTEM OPERATION • (ALERT) Altitude alert annunciation: Aural alert 1,000 feet to altitude selected, and 200 feet after leaving selected altitude. Visual: Flashes for 2 seconds 1st time crossing altitude, and continuously flashes • (PT) Annunciator: Flashes with arrow head if auto trim >16 seconds. Pitch Trim fault should be listed in Emergency section of Aircraft checklist. • (YD) Auto-engages when AP is activated. Can be disengaged while AP is engaged. • (CWS) Control Wheel Steering mode. Disengages the pitch, roll, yaw and pitch while depressed.

  9. KFC 225 SYSTEM OPERATION • (GA) Go Around Mode: auto engages FD, and other modes may be subsequently added. • (Trim Fail) indicator: Annunciates when automated preflight test detect pitch trim fault in flight.

  10. THE ENDTHANKS FOR YOUR PARTICIPATION

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