BOMBARDIER Primus 2000XP User Manual

For Training Purposes Only
Sept 04
2-i
PILOT TRAINING GUIDE
AUTOMATIC FLIGHT CONTROL SYSTEM
Chapter 2: Automatic Flight Control System
TABLE OF CONTENTS
Page
Introduction .........................................................................................................................2-1
Description ..........................................................................................................................2-1
Guidance Panel............................................................................................................. 2-1
AFCS Schematic...........................................................................................................2-3
Autopilot ........................................................................................................................2-4
Autopilot Engagement...................................................................................................2-6
Autopilot Disengagement.............................................................................................. 2-7
Yaw Damper .................................................................................................................2-8
PFD Annunciation ......................................................................................................... 2-9
Flight Director (FD)......................................................................................................2-10
Guidance Panel........................................................................................................... 2-12
Flight Director Modes ..................................................................................................2-14
Lateral Modes .............................................................................................................2-15
Bearing (BRG) Source ................................................................................................ 2-27
VOR/LOC Nav Source ................................................................................................2-28
FMS Nav Source.........................................................................................................2-29
Vertical Modes ............................................................................................................ 2-30
Multi-Axis Modes......................................................................................................... 2-35
Takeoff (TO) Mode......................................................................................................2-38
Go Around (GA) Mode ................................................................................................2-38
Windshear Guidance (WSHR) Mode ..........................................................................2-39
Automatic Emergency Descent Mode...................................................................2-41
Autopilot – Flight Director EICAS Messages...............................................................2-42
EMS Circuit Protection ................................................................................................2-44

BOMBARDIER Primus 2000XP Specifications

General

Brand	BOMBARDIER
Model	Primus 2000XP
Category	Avionics Display
Language	English

Summary

INTRODUCTION

Guidance Panel

AFCS functions controlled by the FGC, including flight director modes.

AFCS SCHEMATIC

AFCS Schematic Diagram

Diagram illustrating AFCS components and their interconnections.

AUTOPILOT

Autopilot System Description

How the autopilot system automatically controls aircraft attitude via servos.

AUTOPILOT ENGAGEMENT

Autopilot Engagement Procedure

Method for engaging the autopilot using the AP button on the guidance panel.

Autopilot Control Authority

Limits on autopilot pitch and roll rate during operation.

Autopilot Control Limits

Specific limits for roll and pitch angles during autopilot engagement.

AUTOPILOT DISENGAGEMENT

Autopilot Disengagement Methods

Various methods for disengaging the autopilot system.

YAW DAMPER

Yaw Damper Function

Provides stability augmentation and turn coordination via rudder actuators.

FLIGHT DIRECTOR (FD)

Lateral and Vertical Modes

Overview of lateral and vertical flight director modes.

GUIDANCE PANEL (Cont)

Autopilot (AP) Switch

Used to engage and disengage the autopilot.

FLIGHT DIRECTOR MODES

Lateral Modes

Descriptions of lateral modes like HDG, NAV, APR, BC, and BANK.

Vertical Modes

Descriptions of vertical modes like VS, ALT, FLC, and VNAV.

Multi-Axis Modes

Descriptions of multi-axis modes such as APR and TOGA.

BASIC MODES

Roll (ROL) Mode

Automatic lateral mode selected when no other lateral mode is active.

VOR Mode

VOR Mode Description

Provides intercept, capture, and tracking of a selected VOR radial.

Localizer (LOC) Mode

LOC Mode Description

Automatic intercept, capture, and tracking of the front course localizer beam.

MULTI-AXIS MODES

Approach (LOC/GS, VAPP) Modes

Enables fully coupled ILS approach via localizer and glideslope.

ILS

TAKEOFF (TO) MODE

TO Mode Description

Provides pitch and lateral commands during takeoff.

GO AROUND (GA) MODE

GA Mode Description

Provides pitch and lateral commands for go-around.

WINDSHEAR GUIDANCE (WSHR) MODE

WSHR Mode Description

Detects windshear and provides escape guidance.

AUTOMATIC EMERGENCY DESCENT MODE

EDM Criteria

Conditions that trigger the Automatic Emergency Descent Mode.

EDM Displays and Settings

PFD indications and system settings during EDM.

EDM Mode Behavior

How the EDM operates, transitions, and is canceled.

AUTOPILOT – FLIGHT DIRECTOR EICAS MESSAGES (Cont)

AFCS 1 (2) FAIL

Indicates failure of one or both AFCS functions (yaw damper, autopilot, FD).

YD NOT CENTERED

EMS CIRCUIT PROTECTION

Circuit Breaker System

Overview of the circuit breaker system display.

AFCS Circuit Breakers

Details on circuit breakers related to the AFCS.