ECAM Test Quiz: Aircraft Advisory Mode Insights

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Questions and Answers

What is the purpose of the EICAS display system?

To provide a wide variety of information relevant to engine operation and other automated systems.
To provide a maintenance mode for ground use only.
To categorize displays and alerts according to function and usage. (correct)
To display primary engine parameters such as N1 speed and EGT.

What is the purpose of the upper display unit on the EICAS?

To display the status of non-engine systems such as flight control surface position and hydraulic system.
To display primary engine parameters such as N1 speed, EGT, and warning and caution messages. (correct)
To display secondary parameters such as N2 speed, fuel flow, oil quantity, pressure, and temperature.
To display a row of Vs when secondary information is being displayed on the lower unit.

What is the purpose of the lower display unit on the EICAS?

To display primary engine parameters such as N1 speed and EGT.
To display secondary parameters such as N2 speed, fuel flow, oil quantity, pressure, and temperature. (correct)
To display warning and caution messages.
To display the status of non-engine systems such as flight control surface position and hydraulic system.

What is the purpose of the Operational mode in the EICAS display system?

To display the engine operating information and any alerts required to be actioned by the crew in flight. (D) Signup and view all the answers

What is the purpose of the Status mode in the EICAS display system?

To display the status of non-engine systems such as flight control surface position and hydraulic system. (A) Signup and view all the answers

What is the purpose of the Maintenance mode in the EICAS display system?

To display maintenance information for ground use only. (C) Signup and view all the answers

What type of warning is associated with Level 3 failures?

Master Warning (A) Signup and view all the answers

In the ECAM Failure Mode, what is the primary requirement for Level 3 failures?

Immediate corrective action (A) Signup and view all the answers

What is the primary difference between Level 1 and Level 2 failures?

Action requirement (C) Signup and view all the answers

Which type of failure corresponds to an abnormal aircraft configuration?

Level 2 (B) Signup and view all the answers

What is the distinguishing feature of a Level 3 failure compared to other levels?

Urgent corrective action requirement (D) Signup and view all the answers

Which level of failure classification requires the flight crew to decide on whether an action should be taken?

Level 2 (Caution) (B) Signup and view all the answers

What is the primary function of the Event Record Switch?

To enable manual recording of suspected malfunctions in non-volatile memory (B) Signup and view all the answers

In what position does the Computer Select Switch automatically switch between the left and right computers?

In the 'AUTO' position (B) Signup and view all the answers

Which of the following functions is controlled by the inner knob of the Display Brightness control?

Display intensity (C) Signup and view all the answers

What is the purpose of the Thrust Reference Set Switch?

Both B and C (D) Signup and view all the answers

What is the purpose of the Max Indicator Reset button?

To clear alerts from the display when measured parameters no longer exceed limits (D) Signup and view all the answers

Which of the following systems can the Event Record Switch be used to activate the recording of fault data for?

Environmental Control system, Electrical Power system, Hydraulic system, and APU (C) Signup and view all the answers

What is the primary purpose of the alert messages in the system?

To continuously monitor and detect malfunctions in various engine and airframe systems (A) Signup and view all the answers

Which of the following best describes a Level A - Warning alert message?

Displayed in red, requires immediate corrective action, activates master warning lights and aural warnings (D) Signup and view all the answers

How are Level B - Caution alert messages presented to the crew?

Displayed in amber, accompanied by an aural tone repeated twice (C) Signup and view all the answers

What is the maximum number of alert messages that can be displayed simultaneously?

11 (A) Signup and view all the answers

Which statement best describes the purpose of the Maintenance Control Panel?

To allow maintenance engineers to access and display maintenance data stored in the system's computer memories (C) Signup and view all the answers

What is the primary difference between Level B - Caution and Level C - Advisory alert messages?

Level B alerts are accompanied by aural tones, while Level C alerts have no aural tones or caution lights (B) Signup and view all the answers

What is the primary function of the STS (System Test Switch) on the EICAS (Engine Indicating and Crew Alerting System) control panel?

To manually select an aircraft's status message when no warning is displayed (A) Signup and view all the answers

What is the primary function of the RCL (Recall) switch on the EICAS control panel?

To recall previously cleared warning messages if the failure conditions still exist (B) Signup and view all the answers

What happens when the CLR (Clear) switch is pressed on the EICAS control panel?

It suppresses status messages (A) Signup and view all the answers

How many main components make up the basic EICAS system?

4 (B) Signup and view all the answers

What are the three types of information the EICAS system provides the flight crew?

Primary engine parameters, secondary engine parameters, and advisory/caution/warning alert messages (D) Signup and view all the answers

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Study Notes

Display Units

Two display units provide a wide variety of information relevant to engine operation and other automated systems
Upper unit displays primary engine parameters:
- N1 speed
- EGT
- Warning and caution messages
Lower unit displays secondary parameters:
- N2 speed
- Fuel flow
- Oil quantity
- Pressure
- Temperature
Status of non-engine systems can also be displayed, including:
- Flight control surface position
- Hydraulic system
- APU

Display Modes

EICAS has three modes of displaying information:
- Operational mode (selected by flight crew)
- Status mode (selected by flight crew)
- Maintenance mode (ground use only, selected via maintenance panel)

Operational Mode

Displays engine operating information and alerts required to be actioned by the crew in flight
Normally only the upper display unit presents information

Advisory Mode

Provides a summary of the aircraft's condition following a failure and possible downgrading of systems

Failure Mode

Classifies failures into three levels:
- Level 3: Warning (emergency configuration, requires immediate corrective action)
- Level 2: Caution (abnormal configuration, requires crew awareness)
- Level 1: Advisory (information on aircraft configuration requiring monitoring)

Event Record Switch

Normally auto-records any malfunctions as they occur
Manual switch enables manual event marking for storage in non-volatile memory
Data can be retrieved and displayed by ground engineers via ground maintenance panel

Computer Select Switch

In "AUTO" position, selects primary computer and automatically switches to secondary computer in case of failure
Manual selection of either computer is possible

Display Brightness

Controlled by inner knob for display intensity and outer knob for display brightness

Thrust Reference Set Switch

Allows selection of reference cursor on thrust indicator display (EPR or N1) for engines

Alert Messages

System continually monitors over 400 inputs from engine and airframe systems
Up to 11 alert messages can be displayed on the upper display unit
Three levels of alert messages:
- LEVEL A: Warning (red, immediate corrective action required)
- LEVEL B: Caution (amber, immediate crew awareness required)
- LEVEL C: Advisory (amber, crew awareness required)

Maintenance Control Panel

Used by maintenance engineers to display maintenance data stored in system's computer memories
STS switch permits manual selection of status message if no warning is displayed
RCL switch enables recall of previously cleared warning messages

Engine Indicating & Crew Alerting System

Basic system comprises two display units, a control panel, and two computers
Computers are designated "Left" and "Right" and only one is in control of the system at any one time
System provides flight crew with information on primary engine parameters, secondary engine parameters, and advisory/caution/warning alert messages as required

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