Oral Prep - EICAS and Instruments

Question 1

What does the Airspeed Trend Vector indicate?

Answer 1

Predicts where the IAS will be in ten seconds.

Question 2

How is the stall speed displayed to the pilots?

Answer 2

By the Low Speed Cue (red/black checkerboard).

Question 3

If the pilot’s PFD CRT fails, how can the PFD be displayed on
the MFD?

Answer 3

By selecting PFD 1 on the pilot’s Display Reversionary Panel.

Question 4

In the event the Primary EICAS CRT (ED1) fails how is the information then displayed?

Answer 4

Automatically, on ED2.

Question 5

How can the information normally displayed on ED2 be seen if ED2 fails?

Answer 5

By changing the selector knob on the Display Reversionary Panel to EICAS, the status and synoptic pages are shown on the associated MFD or on the Source Selector Panel select EICAS switch to ED1, thus allowing all synoptic pages to be viewed on ED1.

Question 6

What is unique about valve positions displayed on the A/ICE synoptic page?

Answer 6

Except for the A/ICE synoptic page, which shows commanded valve position (displayed in cyan to reinforce the difference), the synoptic pages display valves in their actual position. Pumps and generators are displayed as white when they are not operating

Question 7

What does the aural warning “CONFIG TRIM” indicate on takeoff?

Answer 7

The horizontal stabilizer, rudder or aileron trim is outside of takeoff (green) range.

Question 8

What are the four levels of CAS messages?

Answer 8

• Warning
• Caution
• Advisory
• Status

Question 9

What happens and what can be done if ED1 fails?

Answer 9

If ED1 fails, the primary page is automatically displayed on ED2 and the ECP is deactivated. This ensures that the engine instruments and CAS messages are always in view. Failure of ED2 also deactivates the ECP. Changing the selector knob to EICAS on either DRP will make the status and synoptic pages available on that MFD. If either ED1 or ED2 has failed, the ECP is deactivated. To reactivate the ECP, the selector on the Source Selector Panel must be moved to ED1 or ED2 – whichever CRT has not failed. If ED1 fails, all EICAS pages are available on ED2 after the selector on the Source Selector Panel is moved to ED2. If operating with a single ED and the Source Select Panel selected to allow ECP usage, a new Warning or Caution message will cause the ED to switch back to the primary page Selecting ED2 on the source selector panel will reactivate the ECP

Question 10

How are CAS Warnings indicated?

Answer 10

Triple Chime· Flashing Warning lights· Red light on the faulted switch or red EICAS indication· Sometimes an aural tone· Sometimes a voice message

Question 11

Pushing the PRI Pushbutton on the EICAS Control Panel (ECP), performs what function?

Answer 11

Displays the Primary EICAS page on ED2.

Question 12

Pushing the CAS Pushbutton on the EICAS Control Panel (ECP), performs what function?

Answer 12

Will ‘box’ the caution messages and display a MSGS icon, pushing again will display all caution messages.

Question 13

What does the 1/2 selection on the ATTD/HDG, AIR DATA, and DISP CONT switch and ED1/ED2 on the EICAS do?

Answer 13

In the event of an AHRS, ADC, EICAS or DCP failure, an alternate source for the disabled system can be selected.