Traffic Alert and Collision Avoidance (TCAS) Indications
YA613 - YC413, YK101 - YK104
TCAS resolution advisories are displayed in the attitude indication area.
YD651 - YD655
TCAS resolution advisories are displayed in the attitude indication and vertical
speed indication areas.
Refer to Chapter 15, Warning Systems.
GPWS Warnings
GPWS warnings are displayed in large capital letters between the attitude display and the heading/track compass rose. Refer to Chapter 15, Warning Systems.
Copyright . The Boeing Company. See title page for details.
10.31.6 June 1, 2005
737 Flight Crew Operations Manual
Introduction
The NDs provide a mode–selectable color flight progress display. The modes are:
.
MAP . APP (approach)
.
VOR .PLN (plan).
The MAP, VOR, and APP modes can be switched between an expanded mode with a partial compass rose and a centered mode with a full compass rose.
Map Mode
The MAP mode is recommended for most phases of flight. This mode shows airplane position relative to the route of flight against a moving map background.
Displayed information can include:
.
current track . true airspeed
.
selected and current heading . wind direction and speed
.
position trend vector . next waypoint distance
.
range to selected altitude . waypoint estimated
.
map range scale time of arrival
.
ground speed . selected navigation data points.
Navigation Data Points
Additional navigation facility (STA), waypoint (WPT), airport (ARPT), route progress (DATA) and position (POS) data are available for display on the ND in both the expanded and center map modes.
VOR and Approach Modes
The VOR and APP modes are presented heading up. The VOR and APP modes display track, heading, and wind speed and direction with VOR navigation or approach information.
Plan Mode
The PLN mode is presented true north up. The active route may be viewed using the STEP prompt on the CDU LEGS pages.
Copyright . The Boeing Company. See title page for details.
Flight Instruments, Displays -PFD/ND Navigation Displays 737 Flight Crew Operations Manual
ND Information Heading
Heading is supplied by the FMC or air data inertial reference system (ADIRS). The ND compass rose can be referenced to magnetic north or true north.
Track
Track is supplied by the FMC during normal operation.
Traffic
Traffic information from the TCAS can be displayed on the ND. TCAS is described in Chapter 15, Warning Systems.
Weather Radar
Weather radar information can be displayed on the ND. The weather radar system is described in Chapter 11, Flight Management, Navigation.
Failure Flags and Messages
Failure flags are displayed for system failures or invalid information. Indications are removed or replaced by dashes when source system information is not available.
The message EXCESS DATA is displayed if the amount of information sent to the ND exceeds the display capability. When this occurs, the primary display system removes information from the outer edge of the display. The message can be removed by:
.
reducing the amount of map information
.
reducing range, or
.
deselecting one or more of the EFIS control panel map switches (STA,
WPT, ARPT, DATA, POS).
Copyright . The Boeing Company. See title page for details.
10.41.2 March 28, 2005
Flight Instruments, Displays -PFD/ND Navigation Displays 737 Flight Crew Operations Manual
ND Symbology
The following symbols can be displayed on each ND, depending on EFIS control panel switch selections. Colors indicate the following:
.
W (white) – present status, range scales
.
G (green) – dynamic conditions
.
M (magenta) – command information, pointers, symbols, fly–to condition
.
C (cyan) – nonactive or background information
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