FMGS NAVIGATION

Activate IMM EXIT prompt

Alpha floor function operates

DMC 1, DMC 2 and DMC 3

The captain's TAT sensor

All pilot probes and static ports

Turn HDG knob, set 233° pull HDG knob when ATC clears you to turn to 233°

No

Yes

30 KT - 10 KT - 20 KT

By the altitude manually selected on the FCU

FMGC computes and sends steering orders for navigation purposes. The pilot flies through the sidestick. Speed is adjusted in the FCU window

False

Dashes and the light is illuminated: managed speed such as V2 or memorized VAPP are automatically used by the FMGS

Angle of Attack (AOA) and Total Air Temperature (TAT)

Fuel prediction page

Only FMGC 1 is available (NAV function only)

Both (DME, VOR or ILS systems) and (3 ADIRS)

Set ATT HDG and AIR DATA selectors to F/O 3

Deviation bar, selected course, G/S and LOC scales

Bearing pointer only

The VOR information flashes and the course pointer disappears

RMP1 controls VOR, ILS DME and ADF receivers 1 RMP2 controls VOR, ILS DME and ADF receivers 2

Ailerons, spoilers and rudder

An IRS cannot be up-dated during A/C motion

It can be manually reset and the safety tests are not performed

By the DMEs through the autotuning function

The MCDU

Via FMGC 1 and FMGC 2

The captain's PFD and ND

When the aural warning announces "RETARD!"

The bearing pointer goes out of view and station ID may be replaced by frequency

2 IRS failure or 2 ADRs failures

The MCDU "BRT" knob is dimmed

400 feet

The VOR bearing and the course pointer disappear

Is performed automatically at the engagement of the takeoff mode

A/C Status page

ADIRU 1 supplies data to PFD1, ND1 and DDRMI. ADIRU 2 supplies data to PFD2, ND2

Disengages by setting a new FCU altitude

FAC only

When A/THR pb is pressed on the FCU

FMGC and FAC

During the alignment phase in case of IRS alignment fault

Press again the EXPD PB to cancel this mode

At any time

Selection of FG function modes

Flight management and flight guidance

2 FMGS – 2 MCDU – 2 FAC – 1 FCU control panel

Automatically at system power up

Approaching on an ILS with no G/S

The A/C has been on groun for 30 seconds following the landing

A rudder pedal deflection less than 10° out of trim

The FCU

Autopilot disengaged

After APPR pb switch is pressed and illuminates

Autopilot, Flight director, Auto-thrust

NAV, APPR, LOC, RWY, RWY TRK, GA TRK

A/C angle attack

FMGCs operate according to master/slave principle

FM part of the FMGC

On ground, at computer power up

A Rudder Trim

Single FMGC operation and the two EFIS control panels aren’t set at the same range and mode

Automatic tuning, manual tuning, backup tuning

HDG and V/S

Landing capability down grading warning

A fault is detected in air data reference

A/THR automatically engages but is not active

YAW damper 1 has priority, YAW damper actuator 2 is slaved

Rudder trim 1 controls its motor, rudder trim 2 is in standby

An AP yaw order computed by the FMGC, via the FAC

FMGC1 controls both engines

The FAC

A/THR automatically engages and controls the engine with TO/GA thrust.

Is frozen at the existing thrust