Engine Indicating & Crew Alerting System

Question 1

What do the following EICAS display color codes mean: Red, Amber, Green, and White?

Answer 1

Warning
Caution
Advisory
Status

Question 2

What powers the two EICAS screens?

Answer 2

The battery bus

Question 3

Are the two EICAS cooling fans powered by the battery bus?

Answer 3

No

Question 4

Why is it important to provide APU or external electrical power to the aircraft within five minutes of energizing the battery?

Answer 4

The prevent the EICAS screens from overheating without the cooling fans

Question 5

What gathers data for the EICAS display?

Answer 5

Two Data concentrator units (DCU)

Question 6

How many chimes are here for a caution message or warning message?

Answer 6

One chime (caution)
Three chimes (warning)

Question 7

Name a few other aural warnings that the DCUs can generate.

Answer 7

The fire bell for a fire
The warbler for a stall
The clacker for an over speed
The siren for windshear an terrain

Question 8

Which aural warnings will the DCU audio warning inhibit switches not cancel?

Answer 8

Windshear, EGPWS, and TCAS

Question 9

Which four ECP buttons are mechanical and not dependent on the ECP microprocessor or ECP power?

Answer 9

PRI, STAT, CAS, STEP

Question 10

When will the oil pressure gauges be present on the primary display in addition to the digital readout?

Answer 10

With the engines shutdown or with low oil pressure

Question 11

When will the N1 vibration gauges replace the oil gauges?

Answer 11

With the engines running and normal oil pressure

Question 12

How is N2 vibration monitored?

Answer 12

Systems monitors N2 independently w/o display. If N2 vibration exceeds a predetermined amount VIB will be displayed inside the N2 gauge

Question 13

When will the flap gauge disappear?

Answer 13

With wheel brake temperatures in the normal range and the gear, slats, and flaps retracted.

Question 14

When will the wheel brake temperature indicators disappear?

Answer 14

With wheel brake temperatures in the normal range and the gear, slats, and flaps retracted.

Question 15

When can you box caution messages and how?

Answer 15

Pressing CAS button with both engines running. New messages will appear above he boxed msg icon

Question 16

When are certain caution messages inhibited on takeoff?

Answer 16

Short: Thrust lever advancement to 400’

Long: Power greater than 79% N1 to 100 kias some messages will be inhibited; when the speed is greater than 100kias up to 400’ on the radar altimeter most messages will be inhibited

Question 17

When are certain caution messages inhibited on landing?

Answer 17

400’ gal to weight on wheels plus 30sec or when climbing above 400’

Question 18

What will happen if ED1 fails?

Answer 18

The primary page will automatically revert to ED2

Question 19

If ED1 fails, the primary page reverts to ED2. How can the synoptic pages be viewed?

Answer 19

Select EICAS on the MFD reversionary panel and use the ECP to cycle through synoptic pages

Question 20

Name several conditions that must be satisfied for the TAKEOFF CONFIG OK advisory message to be displayed.

Answer 20

Parking brake off
Flight spoilers stowed
Flaps between 8’ and 20’
Stabilizer trim inside green tkf band
Rudder trim inside tkf range 
Aileron trim inside tkf range 
Autopilot off