Section VII
Systems
VII-22-3
Navigation Mode (NAV)
Navigation mode is selected by pressing the NAV button on the FGP.
When in navigation mode, the system generates commands to capture
and track the selected lateral navigation course (FMS, Localizer, and
VOR).
Approach Mode (Lateral)
Approach mode is selected by pressing the APPR button on the FGP.
When in lateral approach mode, the system generates commands to
capture and track the final approach course (FMS, localizer, and VOR).
Back Course Mode
Back course mode is selected by pressing the B/C button on the FGP
when a localizer is tuned. When in back course mode, the system
generates commands to capture and track the back course approach
(localizer).
Go Around Mode (Lateral)
Go around mode is selected by pressing the GA button. When in
lateral go around mode, the system generates commands in the lateral
axis to hold the heading existing when the GA button is pressed.
Activation of go around mode automatically disconnects the autopilot.
Half Bank
Half Bank is selected by pressing the ½ BANK button. Half Bank is
automatically selected when climbing through the half bank transition
altitude (30,000 ft). Half Bank reduces the maximum commanded roll
angle to 12.5°.
10 Sep 2006