OBMS,LIGHT,INSTRUMENTS

Which system sends maintenance data to ground?

• ACARS

• ARINC

• OBRM

During the CMC self-test process, if a fault is detected the result is

• Displayed on MCDU

• Displayed on ECAM

• transferred to Air Traffic Information Management System (ATIMS)

The CMS allows the operator to obtain troubleshooting data from the systems and to initiate self-tests via MCDU. This mode is available

• In flight only.

• on ground only.

• during normal system operation.

The CMC records all the fault history in the

• volatile memory.

• non volatile memory.

• Random access memory.

When performing interruptive BITE test, the aircraft must be

• In flight mode with airspeed above 80knots.

• On ground with airspeed below 80knots.

• On ground with airspeed above 80knots.

If a flight crew reported that the aircraft had to be flown with a constant rudder trim and carried out an interruptive BITE check that reveals nothing. What should be the next step?

• Check the fault history.

• Troubleshoot the rudder trim.

• Perform a continuity check on the system.

On-board Maintenance System (OMS) has been developed to assist the Maintenance personnel in

• rectifying faults of complex avionics systems.

• fault finding complex avionics systems.

• identification of complex avionics systems.

How can the Central Maintenance Computer functions be accessed?

• Through the Control Display Unit.

• Through the Built In Test Equipment system.

• Through the Flight Management System.

When the aircraft speed is below 80 kts for more than 30 seconds, the Central Maintenance System (CMS) menu switches to

• flight mode.

• ground mode.

• landing mode.

Failure that is still apparent even after reset is called

• Soft failure

• Hard failure

• Latched failure