4 lateral modes, Automatic flight control system – Garmin G1000 King Air C90GT User Manual

Page 436

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Garmin G1000 Pilot’s Guide for the Beechcraft C90A/GT

190-00663-01 Rev. A

422

AUTOMATIC FLIGHT CONTROL SYSTEM

SY

STEM

O

VER

VIEW

FLIGHT

INSTRUMENTS

EIS

AUDIO P

ANEL

& CNS

FLIGHT

MANA

GEMENT

HAZARD

AV

OID

ANCE

AFCS

ADDITIONAL FEA

TURES

APPENDICES

INDEX

7.4 LATERAL MODES

The following table relates each GFC 700 lateral mode to its respective control and annunciation. Refer to the

vertical modes section for information regarding Go Around and Takeoff modes.

Lateral Mode

Description

Control Annunciation

Maximum Roll

Command Limit

Roll Hold

Holds the current aircraft roll
attitude or rolls the wings level,
depending on the commanded
bank angle

(default)

ROL

25°

Low Bank

Limits the maximum commanded
roll angle

BANK

Key

*

15°

Heading Select

Captures and tracks the Selected
Heading

HDG

Key

HDG

25°

Navigation, GPS Arm/Capture/Track

Captures and tracks the selected
navigation source (GPS, VOR,
LOC)

NAV

Key

GPS

25°

Navigation, VOR Enroute Arm/Capture/Track

VOR

25°

Navigation, LOC Arm/Capture/Track
(No Glideslope)

LOC

25°

Backcourse Arm/Capture/Track

Captures and tracks a
localizer signal for backcourse
approaches

BC Key

BC

25°

Approach, GPS Arm/Capture/Track

Captures and tracks the selected
navigation source (GPS, VOR,
LOC)

APR Key

GPS

25°

Approach, VOR Arm/Capture/Track

VAPP

25°

Approach, ILS Arm/Capture/Track
(Glideslope Mode automatically armed)

LOC

25°

Takeoff

Disengages the autopilot and
commands a constant pitch angle
and wings level on the ground in
preparation for takeoff

GA

Button

TO

Wings Level

Go Around

Disengages the autopilot and
commands a constant pitch
angle and wings level in the air

GA

Wings Level

* No annunciation appears in the AFCS Status Box. The acceptable bank angle range is indicated in green along the Roll

Scale of the Attitude Indicator.

Table 7-3 Flight Director Lateral Modes

The CWS Button does not change lateral references for Heading Select, Navigation, Backcourse, or Approach

Mode. The autopilot guides the aircraft back to the Selected Heading/Course upon release of the CWS Button.

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