BENDIXKing KFC225 Pilot's Handbook Manual
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BENDIXKing KFC225 Pilot's Handbook Manual

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KFC225 Autopilot

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Summary of Contents for BENDIXKing KFC225

  • Page 1 KFC225 Autopilot...

  • Page 2: Getting Started

    KFC 225 Autopilot FlightSim Developers Pilot Handbook Version 1.5 Revised January 8, 2013 EULA All rights reserved per the terms of the End User License Agreement at the end of this document. Please take the time to review it. Getting Started This system utilizes advanced computer technology normally found only in high end ‘jet’...

  • Page 3: Basic Operation

    KFC 225 Autopilot FlightSim Developers Pilot Handbook 1. Basic Operation The KFC 225 is a three-axis system that provides lateral, vertical and yaw modes with altitude preselect. This diagram shows the components and their relationship in a typical KFC 225 system. The actual components on individual aircraft will vary according to your specifications.

  • Page 4: Controls And Displays

    KFC 225 Autopilot FlightSim Developers Pilot Handbook the sequence steps. Successful completion of self test is identified by all display segments being illuminated. 1.2 CONTROLS AND DISPLAYS Figure 1a 1. Yaw Damper Key 5. NAV Control Key 9. VS speed Down Key 13.

  • Page 5: Flight Director

    Arm Indicator - When the KFC225 is actively pursuing its course, roll, or pitch, an ARM indicator will annunciate on the Display Panel . When the roll/course/pitch has been achieved, the ARM annunciator will extinguish.
  • Page 6 Roll Mode (fixed roll trim). 1.3 CONTROL AXIS The KFC225 is a three-axis control Flight Director System, providing Pitch Axis, Roll Axis and Yaw Damper Axis operation. 1.3.1 YAW DAMPER AXIS Yaw Damper Key. Depress this key to change the present setting. When the key is illuminated, the mode is active.

  • Page 7: Roll Mode

    Course Mode utilizes the aircraft's HSI or Gyro inputs and/or navigation radios to provide reference inputs that determine the desired course. The microprocessor in the KFC225 commands the control servos for aileron and rudder trim to maintain this course. Roll Mode allows pilot selection of a fixed roll value.
  • Page 8 KFC 225 Autopilot FlightSim Developers Pilot Handbook Turn the Selector Knob clockwise or counter-clockwise to increase or decrease the selected roll value, in degrees. The selector and display will revert back to normal mode after 5 seconds. The chevron below the ROL display indicates a port or starboard roll. Press the AP Master Key to engage...
  • Page 9 KFC 225 Autopilot FlightSim Developers Pilot Handbook 1.3.2.2 COURSE MODE In this section: 1. Heading Hold Function 2. NAV Hold Function 3. Approach Hold Function 4. Reverse (Backcourse) Function Course Mode is a servo controlled operating mode. Operating in this mode entails selecting one of Roll Axis Function Keys (HDG, NAV, APR, REV).
  • Page 10 KFC 225 Autopilot FlightSim Developers Pilot Handbook The display will annunciate HDG and the AP Servo Annunciator will illuminate when the unit is in Active Mode. The aircraft will hold this course as long as: The HSI/Gyro HDG Bug is not changed. •...
  • Page 11 HDG mode. deflected, at which time the system will automatically convert to NAV mode. The KFC225 will lock the aircraft on this radial heading as long as: • The unit remains in NAV Hold Function. The OBS setting is not changed.
  • Page 12 When the APR button is selected, the display will Approach Mode can be selected simultaneously annunciate APR. with other modes, for example, HDG mode. In this case the KFC225 will guide the aircraft Heading Hold Function until the CDI Indicator less than 50% deflected, at which time the system will automatically convert to APR mode.

  • Page 13: Pitch Axis

    ALT Mode utilizes the aircraft's servo altimeter to provide reference inputs that determine the present altitude, and its relation to the target altitude. The microprocessor in the KFC225 commands the control servos for elevator trim to maintain the selected altitude. Pitch Mode allows pilot selection of a fixed pitch value.

  • Page 14: Pitch Mode

    If the KFC225 is not already in ALT Mode, the system will automatically switch to that mode of operation once the target altitude has been reached. The ALT Key will illuminate.
  • Page 15 Pitch Mode, press the VS Key. This will engage Fixed Vertical Speed Function. This will instruct the KFC225 to hold a selected vertical speed until directed otherwise. Use the UP/DN keys (Figure 1a, #9) to select the desired vertical speed.

  • Page 16: Alt Mode

    Active Mode. When the ALT Key is pressed, the KFC225 is in Altitude Hold mode. The altitude preselect will be automatically set to present altitude. If the ALT button is pressed with an established climb or descent rate present, there will be approximately a 10% (of VS rate) overshoot, with the airplane returned positively to the selected altitude.
  • Page 17 KFC 225 Autopilot FlightSim Developers Pilot Handbook Vertical Speed Selection While in Altitude Preselect Mode, press the VS Key. This will switch the display to Vertical Speed Indication, for five seconds. This will allow you to select the climb/descent speed, in Feet Per Minute (FPM). The VS Key will be illuminated during this five second display period.
  • Page 18 KFC 225 Autopilot FlightSim Developers Pilot Handbook Fault Condition Display This space left intentionally blank - 18 – For use with Microsoft Flight Simulator only. Not to be used in real world aviation.

  • Page 19: Detailed System Operation

    Pilot Handbook 2. Detailed System Operation The following represents the detailed operating instructions and control sequences necessary to operate the KFC225 in all phases of flight. 2.1 BASIC PROCEDURES Takeoff and climb to 9,200 feet. Aircraft departs runway 8 and established a When the aircraft reaches 8,200 feet safe climb rate.
  • Page 20 Press the HDG Key and the AP Master key to Press the VS Key and the PIT display will switch the KFC225 to Heading Hold Function indicate FPM. Use the UP key to select 600 FPM. Active Mode.
  • Page 21 GPS position. When the waypoint track is Select 60° on the OBS control and select the intercepted the aircraft turns to 62° and NAV Key on the KFC225. maintains course. The HDG Key is no longer illuminated and the HDG annunciation is extinguished. Display reads NAV.
  • Page 22 HDG mode is bug to 283° and press the HDG key on the cancelled and reverse localizer mode is KFC225. Ensure that the AP Master key is also ON automatically activated, and a left turn to the and illuminated.
  • Page 23 (28°). Turn the heading bug to 73° and press the will extinguish and ALT Mode is disengaged when HDG Key on the KFC225. The aircraft will the ILS glideslope is captured. approach the Front Course at a 45° angle. Press...
  • Page 24 Turn the heading bug to 270° and press the HDG the heading bug to 270° and press the HDG Key. Then Key. Then press the NAV Key. The KFC225 will press the NAV Key. The KFC225 will maintain HDG maintain HDG Mode.
  • Page 25 KFC 225 Autopilot FlightSim Developers Pilot Handbook 3. Terminology AP Master Key Fig. 1a, #2. Toggles between Active and Standby modes. Autopilot will only control the aircraft in Active Mode. Key will illuminate when in Active Mode. Active Mode Indicates that the autopilot is in control of the aircraft's control surfaces, either by control servos (Servo Control Modes) or by trim control motors (Fixed Trim Modes).

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