Boeing 737 - 600/700/800/900. Operations Manual (1997 year)

Flight Instruments, Displays -

EFIS/Map - Controls and

Indicators

Boeing 737 Operations Manual

Heading Failure Flag (MAP, APP and VOR modes)

[Option - Heading-up display]

Heading display has failed.

ADF Failure Flag (MAP, APP and VOR modes)

[Option - Full time ADF in MAP mode]

ADF display has failed.

VOR Failure Flag (MAP modes)

EFIS control panel POS switch selected and VOR display failed.

Weather Radar Annunciations (MAP, APP and VOR modes)

WXR FAIL - Weather radar has failed. No weather data are displayed.

WXR WEAK - Weather radar calibration fault.

WXR ATT - Attitude stabilization for antenna has been lost.

WXR STAB - Antenna stabilization is off.

WXR DSP - Display unit cooling has been lost or an overheat condition has

occurred. Weather radar display is blanked.

VOR Failure Flag (VOR modes)

VOR display has failed.

MAP Failure Flag (MAP modes)

The related FMC generated map display has failed.

Vertical Track Failure Flag (MAP modes)

FMC vertical track data are invalid.

ILS Glide Slope Failure Flag (APP modes)

ILS glide slope display has failed.

ILS Localizer Failure Flag (APP modes)

ILS localizer display has failed.

10.10.48

Flight Instruments, Displays -

EFIS/Map - Controls and

Indicators

Boeing 737 Operations Manual

Failure Flags - Center APP and Center VOR Modes

[Option - Dual ADF]

DME

ADF1

ADF2

HDG

LOC

VOR

DME Failure Flag (APP and VOR modes)

DME display has failed.

ADF Failure Flag (APP and VOR modes)

ADF display has failed.

Heading Failure Flag (APP and VOR modes)

Heading display has failed.

ILS Localizer Failure Flag (APP modes)

ILS localizer display has failed.

VOR Failure Flag (VOR modes)

VOR display has failed.

10.10.49

Flight Instruments, Displays -

EFIS/Map - Controls and

Indicators

Boeing 737 Operations Manual

ILS Glide Slope Failure Flag (APP modes)

ILS glide slope display has failed.

Additional Flags and Annunciations

Displays Control Panel Annunciation

DISPLAYS

CONTROL PANEL

ALT

Displays Control Panel Annunciation (amber)

With the CONTROL PANEL select switch on the overhead panel in:

• BOTH ON 1 - left (Capt) EFIS control panel has failed

• NORMAL - corresponding EFIS control panel has failed

• BOTH ON 2 - right (F/O) EFIS control panel has failed.

Altitude information is removed.

10.10.50

Flight Instruments, Displays -

EFIS/Map - Controls and

Indicators

Boeing 737 Operations Manual

Display System Annunciations

Note: The following annunciations occupy the same display location above the

altimeter.

DSPLY SOURCE

29.92

IN.

800

Display System Annunciations

DSPLY SOURCE (amber) - A single DEU has been selected, either manually or

automatically, to drive all six display units.

• If the DEU fails on the same side as the engaged autopilot during climb or

descent -

[Option - Split axis command bars]

• the flight director pitch command bars are removed from both pilots’

displays. The pitch command bars reappear at ALT ACQ

• the pitch mode reverts to CWS pitch

• the autopilot remains engaged.

• If the DEU fails on the same side as the engaged autopilot during level

flight -

• climb or descent to a new MCP altitude is not possible in LVL CHG,

VNAV, or V/S modes with the autopilot engaged.

• If the DEU fails on the opposite side as the engaged autopilot or while in

manual F/D mode during climb or descent -

[Option - Split axis command bars]

• the flight director pitch command bar is removed from the pilot’s

display on the failed side until ALT ACQ

10.10.51

Flight Instruments, Displays -

EFIS/Map - Controls and

Indicators

Boeing 737 Operations Manual

• climb or descent is possible in LVL CHG, VNAV or V/S modes with

the autopilot engaged.

• If the DEU fails on the same side as the engaged autopilot in the

APPROACH mode -

[Option - Split axis command bars]

• the flight director pitch and roll command bars are removed from the

pilot’s display on the failed side.

[Option - With CDS Block 99 software upgrade]

CDS MAINT (white) - A dispatchable CDS fault has occurred. Displayed on the

ground only, prior to start of the second engine.

[Option - Without CDS Block 99 software upgrade]

CDS MAINT (white) - A non-dispatchable CDS fault has occurred. Displayed on

the ground only, prior to start of the second engine.

CDS FAULT (amber) - A non-dispatchable CDS fault has occurred. Displayed

on the ground only, prior to start of the second engine.

Instrument Switch Annunciation

INSTR SWITCH

29.92

IN.

800

INSTR SWITCH Annunciation (amber)

Indicates both the Captain’s and First Officer’s displays are using the same source

of IRU data. Displayed when the IRS switch on the overhead panel is not in the

NORMAL position.

10.10.52

Boeing 737 Operations Manual

Flight Instruments, Displays

Chapter 10

PFD/ND - Displays

Section 11

PFD/ND Display System - Overview

Display Units

LEFT, CENTER and RIGHT

FORWARD PANEL

Captain Outboard Display Unit

Captain Inboard Display Unit

Upper Display Unit

First Officer Inboard Display Unit

First Officer Outboard Display Unit

Lower Display Unit

10.11.1

Flight Instruments, Displays -

PFD/ND - Displays

Boeing 737 Operations Manual

Captain Outboard Display

[Option - Integrated cue command bar]

LNAV

VNAV PTH

.82

31000

360

400

CMD

340

200

320

300

000

280

800

260

240

600

.820

STD

135 H

MAG

LEFT FORWARD PANEL

Flight Mode Annunciator

Refer to Chapter 4, Automatic Flight

Airspeed/Mach Indications

Attitude Indications

Autopilot, Flight Director System Status

Altitude Indications

Vertical Speed Indications

Heading/Track Indications

10.11.2

Flight Instruments, Displays -

PFD/ND - Displays

Boeing 737 Operations Manual

First Officer Outboard Display

[Option - Integrated cue command bar]

LNAV

VNAV PTH

.82

31000

360

400

CMD

340

200

320

300

000

280

800

260

240

600

.820

STD

135 H

MAG

RIGHT FORWARD PANEL

Flight Mode Annunciator

Refer to Chapter 4, Automatic Flight

Airspeed/Mach Indications

Attitude Indications

Autopilot, Flight Director System Status

Altitude Indications

Vertical Speed Indications

Heading/Track Indications

10.11.5

Flight Instruments, Displays -

PFD/ND - Displays

Boeing 737 Operations Manual

Primary Flight Display (PFD)-

PFD Airspeed Indications

PFD Airspeed Indications - General

The PFD airspeed indication displays air data inertial reference system (ADIRS)

airspeed and other airspeed related information.

Selected Speed (magenta)

Displays target airspeed:

• indicates the airspeed manually selected in the IAS/MACH window

• indicates the FMC computed airspeed when the IAS/MACH window is

blank.

Speed Trend Vector (green)

Tip of arrow indicates predicted airspeed in the next 10 seconds based on the

current airspeed and acceleration.

10.11.6

Flight Instruments, Displays -

PFD/ND - Displays

Boeing 737 Operations Manual

Current Airspeed (white)

[Option - Low airspeed alert]

Indicates current calibrated airspeed in knots.

When current airspeed decreases into the minimum maneuver speed amber bar:

• airspeed readout box turns amber and flashes for 10 seconds

• box returns to white when airspeed is above minimum maneuver speed.

Maximum Speed (red and black)

Bottom of the bar indicates the maximum speed as limited by the lowest of the

following:

• Vmo/Mmo

• landing gear placard speed

• flap placard speed.

Maximum Maneuvering Speed (amber)

Bottom of the bar indicates the airspeed that provides a 0.3 g maneuver margin to

high speed buffet. May be displayed at high altitude with flaps up, at relatively

high gross weights.

Speed Bug (magenta)

Points to the airspeed:

• manually selected in the IAS/MACH window

• indicates the FMC computed airspeed when the IAS/MACH window is

blank.

When the selected speed is off scale, the bug is parked at the top or bottom of the

tape, with only one half bug visible.

Current Mach (white)

[Option - Without groundspeed displayed]

Indicates current Mach number:

• displays when airspeed is 0.40 Mach and above

• blanks when airspeed decreases below 0.40 Mach.

10.11.7

Flight Instruments, Displays -

PFD/ND - Displays

Boeing 737 Operations Manual

Current Mach/Groundspeed (white)

[Option - With groundspeed displayed]

Indicates current Mach or groundspeed:

• displays Mach when airspeed is 0.40 Mach and above

• displays groundspeed when airspeed decreases below 0.40 Mach

• when transitioning from Mach to groundspeed or from groundspeed to

Mach, a white box shows around the numeric value for 10 seconds.

PFD Airspeed Indications - Takeoff and Approach

[Option - 100 knot airspeed bug]

148

200

180

160

140

124

REF

120

100

VREF

132

Bug 5 (white)

Displayed if speed reference selector on the engine display control panel is in the

bug 5 position or SET position and a value greater than 60 knots has been selected.

Not available if the speed reference selector is in the AUTO position.

10.11.8

Flight Instruments, Displays -

PFD/ND - Displays

Boeing 737 Operations Manual

Flaps Maneuvering Speeds (green)

Indicates flap maneuvering speed for the displayed flap position:

• displayed after gross weight is entered in the CDU or after takeoff gross

weight is set with the speed reference selector

• when the V2+15 bug is displayed for takeoff, the flap maneuvering speed

bug for the current flap setting is not displayed, except for flaps 1 takeoff.

• numbered flap maneuvering speed bugs are removed when flap lever is

moved to flaps 30 or 40

• flap bugs inhibited if less than VREF +4

• UP bug not displayed above approximately 20,000 feet altitude.

V2+15 (white)

Displayed for takeoff.

Removed when either of the following occurs:

• at first flap retraction

• when VREF is entered in the CDU.

Takeoff Reference Speeds (green)

Indicates V1 (decision speed) and VR (rotation speed) as selected on the CDU

TAKEOFF REF page (refer to Chapter 11, Flight Management, Navigation) or as

set with the speed reference selector on the engine display control panel:

• amber NO VSPD is displayed on the ground if V1 or VR is not selected

on the CDU or is not set with the speed reference selector

• displayed for takeoff when speed is greater than 80 knots

• removed at lift-off

• V1 speed is displayed at the top of airspeed indication when selected and

value is off scale.

[Option - V1 aural alert]

• V1 is automatically called out by voice aural.

Note: The Look Ahead Terrain Alerting system must be incorporated for the

automatic V1 aural callout to be functional.

Minimum Maneuver Speed (amber)

Top of bar indicates minimum maneuver speed.

Inhibited on takeoff until first flap retraction or valid VREF entered.

Minimum Speed (red and black)

Top of bar indicates the speed at which stick shaker occurs.

10.11.9

Flight Instruments, Displays -

PFD/ND - Displays

Boeing 737 Operations Manual

Maximum Maneuvering Speed (amber)

When flaps are not up, bottom of the bar indicates flap limit placard speed for the

next normal flap setting. The display logic is based on a normal flap setting

sequence of 1, 5, 15, 30. The bar is removed when the flap lever is moved to the

landing flap selected on the APPROACH REF page or when the flap lever is

moved to flaps 30 or 40.

[Option] - CDS Software Upgrade - Block point 2002

When flaps are not up, bottom of the bar indicates flap limit placard speed for the

next normal flap setting. The display logic is based on a normal flap setting

sequence of 1, 5, 15, 30. The bar is removed when the flaps reach the landing flap

selected on the APPROACH REF page or when the flaps reach flaps 40.

VREF+15 (white)

Displayed after selection of VREF.

Landing Reference Speed (green)

Indicates REF (reference speed) as selected on the CDU APPROACH REF page

(refer to Chapter 11, Flight Management, Navigation) or as set with the speed

reference selector on the engine display control panel.

REF speed is displayed at the bottom of airspeed indication when selected and

value is off scale.

Speed Reference Display (green)

Displayed if the airspeed and/or weight is entered via the speed reference selector

on the engine display control panel:

• on the ground, V1, VR, and takeoff gross weight may be selected; if

VREF is selected, INVALID ENTRY is displayed

• in flight, VREF and landing gross weight may be selected; if V1 or VR is

selected, INVALID ENTRY is displayed

• removed when the speed reference selector is moved to the SET position.

100 Knot Airspeed Bug (white)

[Option - 100 knot airspeed bug]

Indicates 100 knots:

• displayed automatically during preflight

• removed at first flap retraction or when VREF is entered.

10.11.10

Flight Instruments, Displays -

PFD/ND - Displays

Boeing 737 Operations Manual

PFD Angle of Attack (AOA) Indications

[Option]

Angle of Attack Indications - General

The angle of attack indications display ADIRU aircraft body angle of attack.

Digital AOA Readout (white)

Indicates digital AOA value to the nearest 0.2 degrees. When on the ground and

ground speed less than 80 knots, the readout is fixed at 0.0 degrees.

Stick Shaker Indicator (red)

Indicates point at which stick shaker activation occurs for existing flight

conditions.

Blank if AOA signal is invalid.

Analog Needle (white)

Indicates analog AOA value.

• needle travel is limited to a range of -6 degrees and +21 degrees

• fixed at 0.0 degrees when on the ground and ground speed is less than 80

knots.

10.11.11

Flight Instruments, Displays -

PFD/ND - Displays

Boeing 737 Operations Manual

Approach Reference Band (green)

Indicates appropriate range of approach AOA for a Vref(xx) + 5 approach.

• displayed when in normal or single engine landing flaps (15, 30, 40)

• moves with flap position

• inhibited on takeoff and initial climb.

Zero Degree Reference Line (white)

Indicates zero degrees angle of attack. Reference lines are displayed every 5

degrees from -5 degrees to +20 degrees.

PFD - Attitude Indications

Attitude Indications - General

The attitude indication displays ADIRS attitude information.

[Option - Integrated cue command bar]

Bank Scale (white)

Provides fixed reference for the bank pointer; scale marks are at 0, 10, 20, 30, 45,

and 60 degrees.

10.11.12

Flight Instruments, Displays -

PFD/ND - Displays

Boeing 737 Operations Manual

Pitch Limit Indication (amber)

Indicates pitch limit (stick shaker activation for existing flight conditions).

• displayed when the flaps are not up.

[Option - PLI pop-up]

• displayed at slow speeds with the flaps up.

Flight Director Bar (magenta)

Indicates flight director steering commands. (Refer to Chapter 4, Automatic

Flight.)

Horizon Line and Pitch Scale (white)

Indicates the horizon relative to the airplane symbol; pitch scale is in 2.5 degree

increments.

Bank Pointer

Indicates bank angle; fills and turns amber if bank angle is 35 degrees or more.

Slip/Skid Indication

Displaces beneath the bank pointer to indicate slip or skid:

• fills white at full scale deflection

• turns amber if bank angle is 35 degrees or more; fills amber if the

slip/skid indication is also at full scale deflection.

Airplane Symbol

Indicates airplane attitude relative to the horizon.

Flight Path Vector (FPV) Indication (white)

Displays flight path angle and drift when selected on the EFIS control panel:

• flight path angle is displayed relative to the horizon line

• drift angle is displayed relative to display center.

10.11.13

Flight Instruments, Displays -

PFD/ND - Displays

Boeing 737 Operations Manual

PFD LNAV/VNAV Deviation Indications

[Option - LNAV/VNAV deviation scale and pointer]

IBFI/130^o

DME 3.4

LNAV/VNAV

Scale ID Annunciation (white)

• displayed in response to engaged pitch and role FMA’s.

• displayed above the left corner of ADI.

• indicates the source of displayed deviation for each scale.

• Possible annunciation combinations include:

• LOC/VNAV - (Localizer with VNAV Deviation)

• LNAV/G/S - (LNAV Deviation with Glideslope)

• LNAV/VNAV - (LNAV and VNAV Deviations)

• FAC/VNAV - (Final Approach Course and VNAV)

• LNAV/G/P - (LNAV and Glide Path)

10.11.14

Flight Instruments, Displays -

PFD/ND - Displays

Boeing 737 Operations Manual

LNAV/VNAV Deviation Scale

• LNAV deviation scale represents current FMC lateral RNP.

• VNAV deviation scale represents default RNP values.

• displayed if an approach mode is not engaged and either LNAV or any

VNAV mode is engaged.

Actual Navigation Performance (ANP) Bars

• lateral/vertical indication of available flight technical error remaining

based on total system error.

• lateral ANP bars can be displayed in all phases of flight.

• vertical ANP bars can be displayed only after reaching top-of-descent.

• originate from outer scale and expand inward as a function of increasing

ANP relative to RNP.

• will just touch at center of scale when ANP equals RNP.

• turn from white to amber if current lateral deviation is within the ANP bar

limits for 10 continuous seconds.

LNAV/VNAV Pointer

• a filled magenta symbol when it is not parked at deflection limit.

• an unfilled pointer outline when at deflection limit

• indicates lateral/vertical paths relative to the airplane

Anticipation Cues

• displayed if valid approach course deviation information is being received

while corresponding LNAV/VNAV deviation scale and pointer are

displayed.

• an unfilled white diamond symbol.

• if engaged lateral mode subsequently transitions to LOC, LNAV deviation

indications will be removed, and normal ILS localizer indications will be

displayed.

• if engaged vertical mode subsequently transitions to G/S, VNAV

deviation indications will be removed, and normal ILS G/S indications

will be displayed.

10.11.15

Boeing 737 - 600/700/800/900. Operations Manual (1997 year) - page 44