KFC225 Operating Handbook

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FSD InternationalKFC 225

Autopilot

- 1 Copyright 2009 by FSD International. All rights reserved.

For use with Microsoft Flight Simulator only. Not to be used in real world aviation.

Version 1.0

Revised March 2009

EULA

All rights reserved per the terms of the End User License Agreement. Please take the time to

review it.

Getting Started

This system utilizes advanced computer technology normally found only in high end jet autopilots

into the cockpits of General Aviation Aircraft. It does this by utilizing a state of the art autopilot

computer combining the functions of computer, mode selector, altitude pre-selector, and the

optional yaw damper into one unit. It is strongly recommended that pilots acquaint themselves

with the features and controls described in this manual prior to using it in flight.

System Requirements

Microsoft Flight Simulator 2004 or Flight Simulator X Windows XP or Windows Vista

General Description

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.


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POW ER APP LICATION AND PREFLIGHT TESTS

A preflight test is performed when power is supplied via the avionics master power switch. This test

is a sequence of internal checks that validate proper system operation prior to allowing autopilot

engagement. The preflight test (PFT) sequence is indicated by "PFT" with an increasing number for

the sequence steps. Successful completion of self test is identified by all display segments being

illuminated.

CONTROLS AND DISPLAY S

FACEPLATE

1. Yaw Damper Key 5. NAV Control Key 9. VS speed Down Key 13. Altitude Selector

2. Autopilot Key 6. Approach Hold Key 10. VS Speed Up Key 14. Digital Display

3. Flight Director Key 7. Reverse Course Hold 11 . Altitude Arm Key

4. HDG Control Key 8. Altitude Hold Key 12. VS Display Key


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14a Lateral Ctrl. Data 14b Annunciators 14c Vertical Ctrl. Data 14d Altitude/ VS Data

This space left intentionally blank


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1 Yaw Damper (YD) key. Depress this key to change the present setting. When the key is

illuminated the mode is active. T he yaw damper independent of autopilot operation.

Important Note:

Not all Flight Simulator aircraft have yaw

damper capability. This is based on the

planes aircraft.cfg file.

In order for the yaw damper to function the following entry must be present in the

[autopilot] section of the aircraft.cfg file:

yaw_damper_gain = 1.0

If this value is set to zero the yaw damper system will not work in Flight Simulator! Note that

the pre-configured default aircraftin the GNS 480 Configuration tool will format this setting

for you.

2. AP Master (AP) key. Depress this key to toggle the autopilot servos on and off. The key will

illuminate when the servos are engaged. Note that none of the lateral axis or pitch axis

modes will control the aircraft unless this mode is engaged.

3. Flight Director (FD) Key. Depress this key to toggle the Flight Director bars on your Automatic

Direction Indicator (ADI) on and off.

Important Note:

Not all Flight Simulator aircraft have Flight

Director capability. This is based on the

planes aircraft.cfg file.

In order for the Flight Director to work the following entry must be present in the[autopilot] section of the aircraft.cfg file:

flight_director_available=1

If this value is set to zero the Flight Director system will not be available in Flight Simulator!

Note that the pre-configured default aircraft in the GNS 480 Configuration tool will format this

setting for you.

4. Heading (HDG) key. Depress this key to toggle the Heading mode on/off. When the system is

engaged the key will illuminate. This system commands the airplane to turn to and maintain

the heading selected by the heading bug on the HSI/Gyro control. A new heading may be

selected at any time and will result in the airplane turning to the new heading.

5. Navigation (NAV) key. Depress this key to toggle the Navigation mode on/off. When the

system is engaged the key will illuminate. When engaged, if the selected navigation sensor is

less than 50% deflected when armed, the system will automatically capture. Otherwise the

capture point will vary based on needle deflection and closure rate. The mode provides

automatic beam capture and tracking of VOR, LOC or GPS as selected.


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6. Approach Hold (APR) key. Depress this key to toggle the Approach Hold mode on/off. When

the system is engaged the key will illuminate. When engaged, if the navigation sensor is less

than 50% deflected, the system will automatically capture. Otherwise the capture point will

vary based on needle deflection and closure rate. This mode provides automatic beam

capture and tracking of VOR, GPS or LOC with Glideslope (GS) on an ILS, as selected forpresentation on the HSI. APR ARM will annunciate.

7. Backcourse Approach (REV) key. Depress this key to toggle the Backcourse Approach Hold

mode on/off. When the system is engaged the key will illuminate. If the navigation sensor is

less than 50% deflected when armed, the system will automatically capture. Otherwise the

capture point will vary based on needle deflection and closure rate. This mode functions

similarly to the approach mode except that the autopilot response to LOC signals is reversed

and glideslope is inhibited.

8. Altitude Hold (ALT) key. When depressed, the Altitude Hold mode (pitch axis) will be

engaged. The altitude maintained is the altitude at the moment the ALT button is pressed. If

the ALT button is pressed with an established climb or descent rate present of more than +/-

250 FPM the system will not engage. While engaged the ALT indicator (14c) is illuminated. If

pressed when this indicator is illuminated the altitude hold mode will disengage.

9. Vertical Speed Selection Down (DN) key. When depressed while the display is in VS mode and

the pitch axis is active the selected vertical speed hold value will be decreased. The ALT

indicator (14c) will always be illuminated when the itch axis is engaged.

10. Vertical Speed Selection Up (UP) key. When depressed while the display is in VS mode and

the pitch axis is active the selected vertical speed hold value will be increased. The ALT

indicator (14c) will always be illuminated when the itch axis is engaged.

11. Altitude Hold Arm key. Depress this key to toggle the Altitude Hold Arm mode on/off. When

the system is engaged the key will illuminate. When ALT ARM is annunciated, the automaticflight control system will capture the altitude displayed in the Altitude/Vertical Speed Display

(14d). ALT ARM mode is engaged automatically whenever the selected altitude is changed via

the rotary knob (13). Note that the alerter functions are independent of the arming process

thus providing full time alerting, even when the flight director is disengaged.

12. Altitude/Vertical Speed (VS) Display Mode key. Depress this key to toggle the

Altitude/Vertical speed display between Altitude Mode and Vertical Speed Mode. When the

system is in Vertical Speed Mode the key will illuminate and the vertical speed hold value will

be displayed on indicator 14d. Otherwise the altitude preselect value will be displayed. When

switched to Vertical Speed Mode the display will automatically default back to Altitude Mode

in 3 seconds if the UP (10) or DN (9) keys are not depressed.

13. Altitude Preselect Rotary Knob. Turning this knob clockwise (+) will increase the altitude hold

value. Counter-clockwise (-) will decrease the selection.


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Operating Instructions

ALTI TUDE ALERTING AND PRESELECT

The Altitude Preselect function allows capturing of a selected altitude and transferring into altitudehold. Manual input of selected altitude is accomplished through the rotary knobs on the faceplate of

the KFC 225. The Altitude Alerting function will visually and aurally announce approach and

deviation from a selected altitude.

Altitude P reselect

1. Rotate setting knob (+) or (-) until the desired altitude hold level is selected. This task can be

performed during ground operations, or when your climb has been established.

2. When you turn the selector knob the system automatically arms itself.

3. The autopilot AP servos will automatically engage, if not already active, when the ARM key is

engaged.


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4. You can cancel the altitude hold function by pressing the ARM key. The arm function operates

independently of the autopilot servo system, and therefore, the autopilot servos will remain on

unless cancelled by pressing the AP key. Otherwise the autopilot will remain ready to accept other

pitch axis or lateral axis commands.

ALTITUDE ALERT

A visual indicator will illuminate and an audible chime will sound as the aircraft approaches the

selected altitude. Once when 1,000 feet away and once again when 200 ft away.

If the aircraft deviates from the altitude hold setting wile the pitch axis control is engaged a visual

indicator will illuminate and audible chirp will sound when the aircraft is 200 feet from the selected

altitude.


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Altitude Hold

Depress the ALT key to engage autopilot hold at your present altitude. It is recommended that you

do this when flying level to ensure capture. The system will not capture the altitude in a climb or

descent of more than 250 FPM.


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LATERAL AXIS MODES


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End User License Agreement

IMPORTANT-READ CAREFULLY: BY INSTALLING THIS SOFTWARE YOU ARE AGREEING TO THE TERMS SPECIFIED BELOW!

This FSDEnd User License Agreement ("EULA") is a legal agreement between you (either an individual or a single entity) and FSD, forthe software product. "SOFTWARE PRODUCT" is hereby identified as, and includes, any or all computer software, associated media,printed materials, and "online" or electronic documentation associated with it. By installing, copying, or otherwise using the SOFTWARE

PRODUCT, you agree to be bound by the terms of this EULA. If you do not agree to the terms of this EULA, do not install or use theSOFTWARE PRODUCT.

SOFTWARE PRODUCT LICENSEThe SOFTWARE PRODUCT is protected by copyright laws and international copyright treaties, as well as other intellectual property lawsand treaties. The SOFTWARE PRODUCT is licensed, not sold. FSD maintains ownership of the software.

1. GRANT OF LICENSE.

-Installation and usageFSD grants to you the rights to install and use the software, for your own personal use only, on one (1) computer. Installation on a second

computer or any number of additional computers is prohibited. The license may be transferred to another computer with permission fromFSD provided you can demonstrate that the software has first been removed from the original computer. FSD can provide you with a utilitywhich will remove all files and the license from the original computer and create a data file demonstrating this. You may inquire with FSD

regarding this by contacting us in the manner described below underContacti ng FSD. Other arrangements on subsequent to evaluationby FSD can also be made, and inquiries are welcome.

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Copyright 2008 FSD international. All rights reserved.

KFC225 Operating Handbook

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