User Guide

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Garmin G1000 AFCS Pilot’s Guide for Beechcraft A36/G36

190-00609-00 Rev. B

9-1

INTRODUCTION

9.1 INTRODUCTION

NOTE: This Pilot’s Guide assumes that the reader

is already familiar with the G1000 Integrated

Cockpit System. Refer to the G1000 Cockpit

Reference Guide and G1000 Pilot’s Guides

for further information concerning the G1000

system.

IMPORTANT: The information contained in this

guide is always superseded by the approved

Airplane Flight Manual Supplement.

AFCS OVERVIEW

The GFC 700 is a digital Automatic Flight Control Sys-

tem (AFCS) which is fully integrated within the G1000

system avionics architecture. The System Overview locat-

ed near the front of this binder provides a block diagram

to support this system description. The GFC 700 AFCS is

made up of the following Line Replaceable Units (LRUs):

• GDU

1040 Primary Flight Display (PFD)

• GDU 1043 Multi-Function Display (MFD)

• GIA 63 Integrated Avionics Units (2)

• GSA

81 Servos (4)

• GSM 85 Servo Mounts (4)

The GFC 700 AFCS system can be divided into three

main operating functions:

Flight Director — Flight Director operation takes

place within the #1 GIA 63 and the GDU 1040 PFD. The

Flight Director provides the system with:

• Command Bars showing Pitch/Roll Guidance

• Pitch/Roll Mode Selection & Processing

• Autopilot Communication

Autopilot — Autopilot operation occurs within the

pitch, roll, and pitch trim GSA 81 servos and provides:

• Automatic Flight Control

• Servo Monitoring

Yaw Damper — Yaw damper operation is provided by

the GSA 81 yaw servo and includes self monitoring.

GIA 63 Integrated Avionics Units

Each GIA 63 contains the AFCS software which con-

trols the Flight Director. During normal operation, the

GRS 77 AHRS and GDC 74A Air Data Computer send

attitude and air data information to the GIA 63s. This

information, combined with GPS and other system data,

is used by the Flight Director and Autopilot. Flight Direc-

tor commands are calculated within the #1 GIA 63 and

are sent to the PFD for display and mode annunciation.

Flight information is also sent to the GSA 81 servos for

Autopilot operation. A GIA #1 failure results in the loss

of the AFCS system. Any GIA 63 failure results in loss of

the Autopilot, Manual Electric Trim, and the Yaw Damper

functions.