Honeywell KAP 140 User manual

Pilot’s Guide
Bendix/King®Autopilot System
KAP 140

WARNING
The enclosed technical data is eligible for export under License Designation
NLR and is to be used solely by the individual/organization to whom it is
addressed. Diversion contrary to U.S. law is prohibited.
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Copyright © 1998, 2002, 2005 Honeywell International Inc.
All rights reserved.
Reproduction of this publication or any portion thereof by any means without
the express written permission of Honeywell International Inc. is prohibited.
For further information contact Aerospace Technical Publications; Honeywell;
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Telephone: [phone].

R-1
Revision History and Instructions
Manual KAP 140 Pilot’s Guide
Revision 3, November 2005
Part Number 006-18034-0000
This revision changes CW to CCW on page 116.

R-2
Revision History and Instructions
Manual KAP 140 Pilot’s Guide
Revision 2, May 2002
Part Number 006-18034-0000
This revision makes some of the changes for software version 03/01
more consistent throughout the Pilot’s Guide. The affected pages are 9,
12, 13, 55, 58, 83, 86 and 109.

R-3
Revision History and Instructions
Manual KAP 140 Pilot’s Guide
Revision 1, April 2002
Part Number 006-18034-0000
This revision incorporates changes for software version 03/01.

R-4
Revision History and Instructions
Manual KAP 140 Pilot’s Guide
Revision 0, June 1998
Part Number 006-18034-0000
This is the original version of this publication.

KAP 140 AUTOPILOT SYSTEM
Table of Contents
i
Rev. 0
Jun/98
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
KAP 140 Single Axis Autopilot System . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
KAP 140 Two Axis Autopilot System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
KAP 140 Two Axis/Altitude Preselect Autopilot System . . . . . . . . . . . . . . .2
System Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Power Application and Preflight Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
KAP 140 Single Axis Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
System Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Wing Leveler (ROL) Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Heading Select (HDG) Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Navigation (NAV) Mode Using a DG from HDG Mode
(45° Intercept) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Navigation (NAV) Mode Using a DG from ROL Mode
(All Angle Intercept) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Approach (APR) Mode Using a DG from HDG Mode
(45° Intercept) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Approach (APR) Mode Using a DG from ROL Mode
(All Angle Intercept) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Approach (APR) Mode Using an HSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Back Course (REV) Mode Using a DG from HDG Mode
(45° Intercept) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Back Course (REV) Mode Using a DG from ROL Mode
(All Angle Intercept) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Back Course (REV) Mode Using an HSI . . . . . . . . . . . . . . . . . . . . . . . . . .30
Operations With The KAP 140 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Takeoff And Climb To Assigned Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . .32
GPS Capture Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
GPS Capture Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Outbound On Front Course For Procedure Turn To LOC Approach
Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Outbound On Front Course For Procedure Turn To LOC Approach
Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Front Course LOC Approach Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Front Course LOC Approach Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . .44
Outbound on GPS Approach Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Outbound on GPS Approach Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Inbound on GPS Approach Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Inbound on GPS Approach Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
KAP 140 Two Axis Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
System Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Vertical Speed (VS) Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Altitude Hold (ALT) Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Operations With The KAP 140 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Takeoff And Climb To Assigned Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . .60
GPS Capture Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Table of Contents
ii KAP 140 AUTOPILOT SYSTEM Rev. 0
Jun/98
GPS Capture Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Outbound On Front Course For Procedure Turn To ILS Approach
Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Outbound On Front Course For Procedure Turn To ILS Approach
Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
Front Course ILS Approach Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Front Course ILS Approach Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Outbound on GPS Approach Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Outbound on GPS Approach Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Inbound on GPS Approach Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Inbound on GPS Approach Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
KAP 140 Two Axis with Altitude Preselect Operation . . . . . . . . . . . . . . . . .83
System Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Vertical Speed (VS) Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Altitude Hold (ALT) Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
Altitude Alerting and Preselect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Altitude Alerter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Altimeter Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Altitude Preselect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Voice Messaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Operations With The KAP 140 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Takeoff And Climb To Assigned Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . .90
GPS Capture Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
GPS Capture Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Outbound On Front Course For Procedure Turn To ILS Approach
Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Outbound On Front Course For Procedure Turn To ILS Approach
Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Front Course ILS Approach Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Front Course ILS Approach Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . .102
Outbound on GPS Approach Using DG . . . . . . . . . . . . . . . . . . . . . . . . . .104
Outbound on GPS Approach Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . .106
Inbound on GPS Approach Using DG . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
Inbound on GPS Approach Using HSI . . . . . . . . . . . . . . . . . . . . . . . . . . .110
KCS 55A Compass System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
KI 525A Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Description of Indicator and Display Functions . . . . . . . . . . . . . . . . . . . . . .114
Slaving Meter ( KA 51B) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
KMT 112 Magnetic Slaving Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
KG 102A Directional Gyro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Abnormal Circumstances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
Flight Procedures with the KCS 55A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120
Abnormal Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127
Autopilot Malfunction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127

KAP 140 AUTOPILOT SYSTEM
Introduction
1
Rev. 1
Apr/02
Introduction
The KAP 140 Autopilot System is a
rate based digital autopilot system
offering smooth performance and
enhanced features found only in
more expensive autopilots. The first
of its type developed by Honeywell,
this system brings digital technology
and reliability into the light aircraft
cockpit.
It is also significant that the KAP 140
series autopilots have been
designed from their inception to
interface with the Silver Crown pack-
age of products. Consider the
advantage of having your avionics
working together as an integrated
system rather than as a group of
components built by several manu-
factures.
Your new KAP 140 roll axis features
include wing leveler, heading select,
and VOR/LOC intercept and track-
ing. The KAP 140 can also be cou-
pled to GPS and RNAV receivers as
well. Roll rate information is derived
from the turn coordinator. Pitch axis
features include vertical speed,
glideslope and altitude hold along
with the optional altitude preselect.
Pitch information is derived from a
pressure sensor and accelerometer.
The KAP 140 Autopilot System oper-
ates independent of the aircraft’s
artificial horizon. Therefore, the
autopilot retains roll stabilization and
all vertical modes in the event of vac-
uum system failure.
Internal monitors keep constant track
of the KAP 140’s status and provide
for automatic shutdown of the
autopilot or trim system in the event
of a malfunction. In addition to relia-
bility, the KAP 140 is designed to be
easily maintained in the field.
Qualified Honeywell Service Centers
are located around the world to pro-
vide assistance whenever neces-
sary.
To fully realize the capability of your
new panel mount digital autopilot
system, you must understand the
performance capabilities and basic
operational requirements of the sys-
tem. This pilot’s guide provides
information to aid in this and is
divided up into six sections. The first
section provides general familiariza-
tion of each autopilot system includ-
ing the associated panel mounted
displays. The second section
describes the KAP 140 Single Axis
Autopilot System. The third section
describes the KAP 140 Two Axis
Autopilot System. The fourth section
describes the KAP 140 Two
Axis/Altitude Preselect Autopilot
System. The fifth section describes
the optional KCS 55A slaved com-
pass system. The Sixth section
describes abnormal procedures.

Introduction
2KAP 140 AUTOPILOT SYSTEM Rev. 1
Apr/02
General Description
KAP 140 Single Axis
Autopilot System
The KAP 140 Single Axis system is
an entry level digital panel-mount
autopilot, offering lateral modes only
with an electric trim option.
KAP 140 Two Axis
Autopilot System
The KAP 140 Two Axis system pro-
vides both lateral and vertical
modes.
KAP 140 Two Axis/Altitude
Preselect Autopilot System
The KAP 140 Two Axis system pro-
vides both lateral and vertical modes
with altitude preselect.
LR
2 MIN.
TURN COORDINATOR
NO PITCH
INFORMATION
D.C. ELEC.
GS GS
N
33
30
W
24
21
S
15
12
E
6
3
ı
AP
G
KAP 140
HDG NAV APR REV ALT DN
UP
LR
2 MIN.
TURN COORDINATOR
NO PITCH
INFORMATION
D.C. ELEC.
GS GS
N
33
30
W
24
21
S
15
12
E
6
3
ı
AP
G
KFC 140
HDG NAV APR REV ALT
ARM BARO
DN
UP
LR
2 MIN.
TURN COORDINATOR
NO PITCH
INFORMATION
D.C. ELEC.
GS GS
N
33
30
W
24
21
S
15
12
E
6
3
ı
AP
G
KAP 140
HDG NAV APR REV

KAP 140 AUTOPILOT SYSTEM
Introduction
3
Rev. 1
Apr/02
KAP 140
Two Axis Alt.
Preselect
KAP 140
Two Axis
KAP 140
Single Axis
HSI Optional Optional Optional
DG Standard Standard Standard
Turn Coordinator Standard Standard Standard
Automatic Electric Elevator Trim Optional Optional
Manual Electric Trim Optional Optional
FUNCTIONS/MODES
ALT Hold (ALT) Yes Yes
ALT Preselect/ALERT Yes
Heading Select (HDG) Yes Yes Yes
NAV (VOR/RNAV/GPS) Yes Yes Yes
Approach (APR) Yes Yes Yes
Glideslope (GS) Yes Yes
Back Course (REV) Yes Yes Yes
Control Wheel Steering (CWS) Optional Optional Optional
Vertical Speed Hld Yes Yes
Auto Capture Yes Yes Yes
Auto Track Yes Yes Yes
All Angle Intercept
Standard (with
DG or optional
HSI)
Standard (with
DG or optional
HSI)
Standard (with
DG or optional
HSI)
Auto 45-degree Intercept
Standard
(with DG only)
Standard
(with DG only)
Standard
(with DG only)
TEST
Manual and Auto Trim Monitor Both Both Both
Acceleration Monitor Yes Yes
KAP 140 System Capabilities

Introduction
4KAP 140 AUTOPILOT SYSTEM Rev. 1
Apr/02
System Integration
The individual system diagrams on
pages 5, 6, and 7 show the compo-
nents and their relationship in typical
KAP 140 Single Axis, KAP 140 Two
Axis, and KAP 140 Two Axis/Altitude
Preselect systems. The actual com-
ponents on individual systems may
vary slightly in order to optimize cer-
tification and installation require-
ments.
Each system has a number of
inputs: sensor outputs are shown in
red; combination inputs are shown in
blue; display outputs are shown in
orange; and aircraft control shown in
green. The systems diagrams
reflect that the KAP 140 systems
control both pitch and roll axes of the
aircraft.

KAP 140 AUTOPILOT SYSTEM
Introduction
5
Rev. 1
Apr/02
LR
2 MIN.
TURN COORDINATOR
NO PITCH
INFORMATION
D.C. ELEC.
N
33
30
W
24
21
S
15
12
E
6
3
PUSH
P
U
S
H
AIR
N
S
E
W
TO
FR
33
30
24
21
15
12
6
3
OBS
GS
N
A
V
ı
N
GS GS
33
30
W
24
21
S
15
12
E
6
3
ı
NAV HDG
ı
KCS305
MAN
CW
AUTO
CCW
-
+
Turn Coordinator
Directional Gyro KI 204 or other Course
Deviation Indicator
VOR/LOC/RNAV/
GPS Deviation
Middle
Marker
KC 140 Single Axis
Computer/Controller/
Annunciator
contains computer
functions, mode
control buttons,
and annunciations
in a single unit.
KS 271C Roll Servo
KS 272C Pitch Trim
Servo (Optional)
KI 525A Pictorial
Navigation Indicator
KCS 55A Slaved
Compass System
(Optional)
KG102A
Slaved DG
KMT 112
Flux Detector
OR
KA 51B
Slaving Accessory
Manual
Electrical Trim
(Optional)
Autopilot
Disconnect/
Trim Interrupt
(Optional)
Control
WheelSteering
(Optional)
AP
G
HDG NAV APR REV
KAP 140
TRIM
FAIL
KAP 140 Single Axis System Diagram

Introduction
6KAP 140 AUTOPILOT SYSTEM Rev. 1
Apr/02
LR
2 MIN.
TURN COORDINATOR
NO PITCH
INFORMATION
D.C. ELEC.
N
33
30
W
24
21
S
15
12
E
6
3
PUSH
P
U
S
H
AIR
N
S
E
W
TO
FR
33
30
24
21
15
12
6
3
OBS
GS
N
A
V
ı
AP
G
KAP 140
HDG NAV APR REV ALT UP
DN
N
GS GS
33
30
W
24
21
S
15
12
E
6
3
ı
NAV HDG
ı
KCS305
MAN
CW
AUTO
CCW
-
+
Turn Coordinator
Directional Gyro KI 204 or other Course
Deviation Indicator
(not included)
KC 140 Two Axis
Computer/
Controller/
Annunciator
contains computer
functions, mode
control buttons,
and annunciations
in a single unit.
Also contains
static pressure
sensor and
accelerometer.
KS 271C Roll Servo
KS 270C Pitch Servo
KS 272C Pitch Trim Servo
KI 525A Pictorial
Navigation Indicator
KCS 55A Slaved
Compass System
(Optional)
KG102A
Slaved DG
KMT 112
Flux Detector
OR
KA 51B
Slaving Accessory
Manual
Electrical Trim
Autopilot
Disconnect/
Trim Interrupt
Control
WheelSteering
(optional)
TRIM
FAIL
Glideslope
Deviation
VOR/LOC/RNAV/
GPS Deviation
Middle
Marker
Static
Pressure
KAP 140 Two Axis System Diagram

KAP 140 AUTOPILOT SYSTEM
Introduction
7
Rev. 1
Apr/02
LR
2 MIN.
TURN COORDINATOR
NO PITCH
INFORMATION
D.C. ELEC.
N
33
30
W
24
21
S
15
12
E
6
3
PUSH
P
U
S
H
AIR
N
S
E
W
TO
FR
33
30
24
21
15
12
6
3
OBS
GS
N
A
V
ı
N
GS GS
33
30
W
24
21
S
15
12
E
6
3
ı
NAV HDG
ı
KCS305
MAN
CW
AUTO
CCW
-
+
Turn Coordinator
Directional Gyro KI 204 or other Course
Deviation Indicator
(not included)
KC 140 Two Axis with
Altitude Preselect
Computer/Controller/
Annunciator
contains computer
functions, mode
control buttons,
and annunciations
in a single unit. Also
contains static pressure
sensor and accelerometer.
KS 271C Roll Servo
KS 270C Pitch Servo
KS 272C Pitch Trim Servo
KI 525A Pictorial
Navigation Indicator
KCS 55A Slaved
Compass System
(Optional)
KG102A
Slaved DG
KMT 112
Flux Detector
OR
KA 51B
Slaving Accessory
Manual
Electrical Trim
Autopilot
Disconnect/
Trim Interrupt
Control
WheelSteering
(optional)
AP
G
KFC 140
HDG NAV APR REV ALT
ARM BARO
DN
UP
TRIM
FAIL
Glideslope
Deviation
VOR/LOC/
RNAV/
GPS
Deviation
Middle
Marker
Static
Pressure
Baro
Setting
Encoding
Altimeter
KAP 140 Two Axis/Altitude Preselect System Diagram

Introduction
8KAP 140 AUTOPILOT SYSTEM Rev. 1
Apr/02
AP
G
KAP 140
HDG NAV APR REV
KAP 140 Preflight Test Complete
AP
G
KAP 140
HDG NAV APR REV
KAP 140 Preflight Test
Power Application and Preflight Tests
A preflight test is performed
upon power application to the com-
puter. 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 illumi-
nated (Display Test) and the discon-
nect tone sounding.
For two-axis units only:
NOTE: Following the preflight test,
the red P warning on the face of the
autopilot may illuminate indicating
that the pitch axis cannot be
engaged. This condition should be
temporary, lasting no more than 30
seconds. The P will extinguish and
normal operation will be available.
NOTE: The red P warning may illu-
minate when the autopilot is not
engaged. This can occur when
autopilot G limits have been
exceeded during turbulence or air-
craft maneuvering. Autopilot
engagement is locked out during red
P illumination.
If power to the autopilot is cycled in
flight (i.e. through the autopilot circuit
breaker for instance) it is possible
that a 5 minute delay may be neces-
sary prior to autopilot engagement to
allow the pitch axis accelerometer
circuit to stabilize. Engagement prior
to stabilization may result in mildly
erratic pitch axis behavior.

KAP 140 AUTOPILOT SYSTEM
Single Axis Operation
9
Rev. 2
May/02
AP
G
KAP 140
HDG NAV APR REV
AP
G
KAP 140
HDG NAV APR REV
P R
PR
1 3 4 5 62
7
Full Single-axis KAP 140 Display
Single-axis Flight Control Computer
8
KAP 140 Single Axis Operation
The KAP 140 is a high-performance digital, panel-mounted autopilot sys-
tem for light aircraft.
1. AUTOPILOT ENGAGE/DISEN-
GAGE (AP) BUTTON - When
pushed, engages autopilot if all logic
conditions are met. The autopilot
will engage in the basic roll (ROL)
mode which functions as a wing lev-
eler. When pressed again, will disen-
gage the autopilot. For software ver-
sion 03/01 and later, the AP button
must be pressed and held for 0.25
seconds to engage the autopilot.
2. ROLL AXIS (R) ANNUNCIATION
- When illuminated, indicates failure
of the roll axis and will disengage the
autopilot and not allow engagement.
3. HEADING (HDG) MODE SELEC-
TOR BUTTON - When pushed, will
select the Heading mode, which
commands the airplane to turn to
and maintain the heading selected
by the heading bug on either the DG
or HSI. A new heading may be
selected at any time and will result in
the airplane turning to the new head-
ing. Button can also be used to tog-
gle between HDG and ROL modes.
This button will engage the autopilot
in units with software prior to soft-
ware version 03/01.
4. NAVIGATION (NAV) MODE
SELECTOR BUTTON - When
pushed, will arm the navigation
mode. The mode provides auto-
matic beam capture and tracking of
VOR, LOC or GPS as selected for
presentation on the HSI or CDI.
NAV mode is recommended for
enroute navigation tracking.

Single Axis Operation
10 KAP 140 AUTOPILOT SYSTEM Rev. 1
Apr/02
5. APPROACH (APR) MODE
SELECTOR BUTTON - When
pushed, will arm the Approach
mode. This mode provides auto-
matic beam capture and tracking of
VOR, GPS and LOC, as selected for
presentation on the HSI or CDI.
APR mode is recommended for
instrument approaches.
6. BACK COURSE APPROACH
(REV) MODE SELECTOR BUTTON
- When pushed, will arm the Back
Course approach mode. This mode
functions similarly to the approach
mode except that the autopilot
response to LOC signals is
reversed.
7. ROLL MODE DISPLAY -
Displays the active and armed roll
modes (ROL, HDG, NAV ARM,
NAV, APR ARM, APR, REV ARM,
REV). Also displayed will be flash-
ing AP annunciation (5 seconds) at
each autopilot disconnect accompa-
nied by an aural tone (for 2 sec-
onds).
8. AUTOPILOT ENGAGED (AP)
ANNUNCIATION - Illuminates
whenever the autopilot is engaged.
Flashes during pilot initiated or auto-
matic disengagement. Only applica-
ble for software versions 03/01 or
later.

KAP 140 AUTOPILOT SYSTEM
Single Axis Operation
11
Rev. 1
Apr/02
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Single Axis Operation
12 KAP 140 AUTOPILOT SYSTEM Rev. 2
May/02
LR
2 MIN.
TURN COORDINATOR
NO PITCH
INFORMATION
D.C. ELEC.
AP
G
KAP 140
HDG NAV APR REV
Wing Leveler (ROL) Mode
In the roll mode, the autopilot
maintains wings level flight.
1. Engage autopilot - Press AP.
For software version 03/01 and later,
the AP button must be pressed and
held for 0.25 seconds to engage the
autopilot.
NOTE: The KAP 140 engages into
ROL mode as a default.
System Operating Modes