FM FAULT PNF. NORMAL mode : FM SINGLE FAILURE FM DUAL FAILURE FMGC 1 FMGC 2. Common LR. LR - Version 03a MCDU 2 MCDU 1 MCDU 3 STBY

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1 FM FAULT LR FM SINGLE FAILURE FM DUAL FAILURE LR NORMAL mode : FMGC 1 FMGC 2 MCDU 1 MCDU 3 STBY MCDU 2 LR - Version 03a

2 1. AUTO FLT FM 1 FAULT DETECTION FLIES THE AIRCRAFT LOSS OF AP NAVIGATES CONSIDER AUTOMATION USE The FM software automatically resets itself. ECAM ACTIONS ECAM PROCEDURE SYSTEM DISPLAY STATUS Manual Reset F M G C 1 F M G C 2 PF COMMUNICATES OPP FMGC IN PROCESS MCDU 1 MCDU 2

3 2. AUTO FLT FM 1+2 FAULT DETECTION FLIES THE AIRCRAFT Loss of AP, A/THR and FD s NAVIGATES CONSIDER AUTOMATION USE ECAM ACTIONS ECAM PROCEDURE SYSTEM DISPLAY STATUS Manual Reset FLIGHT IS FROZEN TO PERMIT THE PROCEDURE APPLICATION ON THE M/FTD

4 3. BACK UP NAVIGATION MODE Use BACK UP NAV degraded mode when both FMGCs have failed BACK UP NAV...SELECT on MCDU MENU page Manual reset of the FMGEC 1 & 2.. PERFORM 3 successive dual resets without result erase all pilot-entered data (F-PLN, GW, CRZ FL, CI ) FLIGHT IS FROZEN TO PERMIT THE PROCEDURE APPLICATION ON THE M/FTD

5 NORMAL mode FMGC 1 FMGC 2 FADEC MCDU 1 MCDU 2 THRUST LEVERS MCDU 3 STBY

6 SINGLE mode F M G C 1 FMGC 2 FADEC MCDU 1 MCDU 2 THRUST LEVERS MCDU 3 STBY

7 3. BACK UP NAVIGATION MODE Use BACK UP NAV degraded mode when both FMGCs have failed BACK UP NAV...SELECT on MCDU MENU page Manual reset of the FMGEC 1 & 2.. PERFORM If this occurs in flight, reset one FMGC at a time. Read : QRH successive dual resets without result erase all pilot-entered data (F-PLN, GW, CRZ FL, CI ) FLIGHT IS FROZEN TO PERMIT THE PROCEDURE APPLICATION ON THE M/FTD

8 2. AUTO FLT FM 1+2 FAULT DETECTION FLIES THE AIRCRAFT Loss of AP, A/THR and FD s NAVIGATES CONSIDER AUTOMATION USE available if Flight Guidance parts are not lost ECAM ACTIONS ECAM PROCEDURE ENG THRUST LOCKED Move the Thrust Levers to the Single Chime actual Thrust (every 5 sec) STATUS PositionManual Reset SYSTEMS DISPLAYS analysis FLIGHT IS FROZEN TO PERMIT THE PROCEDURE APPLICATION ON THE M/FTD

9 BACK UP NAVIGATION MODE 3.b DUAL failure / BACK UP NAVIGATION MODE The MCDU continuously memorizes the active F-PLN in its internal memory. The BACK UP NAV MODE recovers the navigation function through the MCDU and ADIRS. FLY RAW DATA. TUNE necessary navaids using the RMPs If both FMGCs fail, the back up navigation provides the following functions : ON MCDU : Manual reset FMGC.PERFORM (non recovered) F-PLN with auto-sequencing DIR TO PROG A/C position using onside IRS or IRS 3 F-PLN display on ND No AP / FD NAV mode QRH 2.00 F M G C 1 F M G C 2 SELECT on MCDU MENU page this degraded mode when both FMGCs have failed MCDU 1 BACK UP NAV MCDU 3 MCDU 2 BACK UP NAV

10 AUTO-RESET Minor reset : 1 single reset = 3 sec max + 25 sec of resynch Major reset : Several recurrent resets during 3 min Memories are cleared loss of F-PLN, GW, CI, CRZ FL 5 resets without Auto-Recovery SINGLE mode operation MAP NOT AVAIL OBSERVE AUTO-RESET PROCESS: OPP FMGC IN PROCESS

11 NAVIGATES SINGLE MODE Select the same range and mode on both NDs DO NOT USE the affected MCDU until PLEASE WAIT message disappears FMGEC 2

12 2. AUTO FLT FM 1+2 FAULT DETECTION FLIES THE AIRCRAFT Loss of AP, A/THR and FD s NAVIGATES CONSIDER AUTOMATION USE ECAM ACTIONS ECAM PROCEDURE SYSTEM DISPLAY MANUAL RESETS STATUS Manual Reset FOR TRAINING PURPOSE : RETARD MANUAL RESETS FLIGHT IS FROZEN TO PERMIT THE PROCEDURE APPLICATION ON THE M/FTD

13 1. AUTO FLT FM 1 FAULT DETECTION FLIES THE AIRCRAFT LOSS OF AP NAVIGATES CONSIDER AUTOMATION USE The FM software automatically resets itself. ECAM ACTIONS F M G C 1 ECAM PROCEDURE SYSTEM DISPLAY MANUAL RESETS STATUS Manual Reset FOR TRAINING PURPOSE : RETARD MANUAL RESETS F M G C 2 PF COMMUNICATES OPP FMGC IN PROCESS MCDU 1 MCDU 2