User Guide

190-00552-00 Rev. A

Garmin G1000 Pilot’s Guide for the Columbia 350/400

7-14

AUTOMATIC FLIGHT CONTROL SYSTEM

ROLL MODES

The GFC 700 offers the following roll modes:

• Roll Hold (default mode) – Holds the current aircraft roll attitude or rolls the wings level, depending on the

commanded bank angle

• Heading Select – Captures and tracks the Selected Heading

• Navigation (VOR, GPS, LOC, Backcourse) – Captures and tracks the selected navigation receiver on the

HSI

• Approach (VOR, GPS, ILS) – Captures and tracks the selected receiver on the HSI with greater sensitivity for

approach

• Go Around – Automatically disengages the autopilot and commands a constant pitch angle and wings level

The following table relates each roll mode to its respective control and annunciation. Refer to the pitch modes

section for a discussion on Go Around Mode.

Roll Mode Control Annunciation

Roll Hold (default) ROL

Heading Select HDG Key HDG

Navigation, GPS Arm/Capture/Track

NAV Key

GPS

Navigation, VOR Enroute Arm/Capture/Track VOR

Navigation, LOC Arm/Capture/Track

(No Glideslope)

LOC

Navigation, Backcourse Arm/Capture/Track

Approach, GPS Arm/Capture/Track

APR Key

GPS

Approach, VOR Arm/Capture/Track VAPP

Approach, ILS Arm/Capture/Track

(Glideslope Mode automatically armed)

LOC

Go Around Go Around Switch

Table 7-2 Roll Modes