Avidyne DFC90 Handbuch

Page Chg

Cover…...0

Page #.....3

TOC-1......3

TOC-2…..3

1-1………2

1-2……….3

1-3……….3

1-4……....3

1-5……....3

1-6…….…3

1-7…….…3

1-8…….…3

1-9…….…3

1-10……...3

1-11……..3

1-12……..3

1-13……..3

1-14……..3

1-15……..3

1-16……..3

1-17……..3

1-18……...3

1-19……..3

2-1……….0

2-2……….0

2-3……….3

2-4……….0

3-1……….2

Page Chg

3-2……….3

3-3……….3

3-4……….3

3-5……….3

3-6……….3

3-7……….0

3-8……….3

3-9……….0

3-10……..0

3-11……..0

3-12……..2

4-1……….2

4-2……….3

4-3……….3

4-4……….3

4-5……….3

4-6……….3

4-7……,…2

4-8…….…3

4-9……….3

4-10……...3

5-1……….2

5-2……….2

5-3……….2

5-4……….3

5-5……….3

5-6……….3

5-7……….3

Page Chg

5-8……….3

5-9……….2

5-10……..2

5-11……..3

5-12……..3

5-13……..2

5-14……..2

5-15……..2

5-16……..3

5-17……..3

5-18……..3

5-19……..3

5-20……..3

5-21……..3

5-22……..3

5-23……..3

5-24……..3

5-25……..3

5-26……..3

6-1……….3

6-2…….…3

6-3…….…3

6-4……….3

6-5…….…3

6-6……….3.

Indx-1…...3

IBC……....1

OBC…..…3

Change 3

1-2 System Overview

DFC90 Digital Autopilot | PILOT GUIDE

TABLE OF CONTENTS

1System Overview ..............................................................1-2

FUNCTIONAL OVERVIEW ..........................................................1-3

GENERAL AUTOPILOT OPERATIONS.......................................1-4

Always a vertical and lateral mode engaged .........................................1-4

Single press to hold, Dual button press to capture ................................1-4

Primary location for bug/target setting...................................................1-5

Aural Alerts...........................................................................................1-5

Armed vs Engaged modes indications ..................................................1-6

Mode transition indication .....................................................................1-7

Manual Electric Trim impact..................................................................1-7

Envelope Protection..............................................................................1-8

Full-Time Envelope Alerting................................................................1-10

Baro Adjust.........................................................................................1-13

Engagement and Hold limits ...............................................................1-14

Comparators.......................................................................................1-15

Autopilot Engagement.........................................................................1-16

Autopilot Disengagement....................................................................1-16

FD vs. AP ...........................................................................................1-17

Dual PFD Operations..........................................................................1-18

PFD Annunciations.............................................................................1-19

2Normal Startup Sequence................................................2-2

POWER CONSIDERATIONS.......................................................2-2

SELF-TEST/ALIGNMENT ............................................................2-2

BRIGHTNESS CONTROLS .........................................................2-2

PRE-FLIGHT TEST......................................................................2-3

BEFORE TAKEOFF TECHNIQUES.............................................2-4

3Climb-out/Enroute.............................................................3-2

NORMAL OPERATING MODES..................................................3-2

Pitch Mode............................................................................................3-2

Roll Mode .............................................................................................3-2

Heading (HDG) Mode ...........................................................................3-3

Navigation (NAV) Mode ........................................................................3-3

GPS Roll Steering (GPSS) Mode..........................................................3-4

Altitude Hold (ALT) Mode......................................................................3-5

Indicated Airspeed (IAS) Hold Mode.....................................................3-5

Vertical Speed (VS) Hold Mode ............................................................3-6

Altitude Capture Mode..........................................................................3-6

Straight and Level.................................................................................3-9

Pilot Selectable Intercepts...................................................................3-10

Control Wheel Steering Mode.............................................................3-12

4Approach Procedures ......................................................4-2

GENERAL BEHAVIOR.................................................................4-2

APPROACH MODES ...................................................................4-2

WAAS Approaches...............................................................................4-2

Non-WAAS GPS approach (RNAV or Overlay or LNAV).......................4-5

VOR approach......................................................................................4-5

Localizer approach................................................................................4-6

Change 3

ILS approach including glide slope intercept .........................................4-7

Procedure Turn ILS or Localizers..........................................................4-9

Back course approaches.....................................................................4-10

Missed Approach................................................................................4-10

5Abnormal Procedures ......................................................5-2

GENERAL FAILURE MODE INFORMATION...............................5-2

Loss of PFD Display (AHRS still Operational).......................................5-3

Loss of PFD Bezel buttons and KNobs .................................................5-4

Loss of PFD Display and Bezel buttons ................................................5-5

Loss of Turn Coordinator ......................................................................5-6

Loss of AHRS (Single PFD Equipped Aircraft)......................................5-7

Loss of AHRS (Dual Avidyne PFD Equipped Aircraft) ...........................5-7

Loss of Air Data....................................................................................5-8

Total Loss of PFD (Single PFD Equipped Aircraft)................................5-9

Total Loss of PFD (Dual PFD Equipped Aircraft)...................................5-9

Loss of Engine....................................................................................5-10

OTHER ERROR MODES...........................................................5-11

General or Unknown Failures..............................................................5-11

AHRS-TC Miscompare during Ground Operations..............................5-12

Built-in Test (BIT) Failure....................................................................5-13

AHRS Aligning....................................................................................5-14

No Communication With Autopilot.......................................................5-15

Trimming Up/Down.............................................................................5-16

GPSS Invalid ......................................................................................5-17

Nav Invalid..........................................................................................5-18

Glide slope Invalid...............................................................................5-19

TC Fail................................................................................................5-20

AHRS Miscomp ..................................................................................5-21

No PFD Comm ...................................................................................5-22

MSR Fail.............................................................................................5-23

Audio Fail............................................................................................5-24

Servo Limit..........................................................................................5-25

Bank Limit...........................................................................................5-26

6Limitations and Performance ..........................................6-2

LIMITATIONS...............................................................................6-2

SOFTWARE COMPATIBILITY AND NOTES ...............................6-2

GENERAL PERFORMANCE –CIRRUS AIRCRAFT...................6-5

PERFORMANCE IN PITCH TRIM-ONLY AIRCRAFT..................6-6

PERFORMANCE IN NON-CIRRUS AIRCRAFT...........................6-6

Index............................................................................................1

Change 3

System Overview 1-1