Flight Instruments / Displays

Question 1

How many knots, in height, is the command speed pointer on the PFD?

Answer 1

• 5 knots

Note:FCOM, VOL 2; 10.10.5

Question 2

What minimum maneuver capability is provided at the top of the amber bar on the PFD airspeed display?

Answer 2

• 1.3g at 40 degrees of bank in level flight

Note:FCOM, VOL 2; 10.10.8

Question 3

What occurs at the minimum speed display (red) on the PFD?

Answer 3

• Stick shaker or low speed buffet occurs.

Note:FCOM, VOL 2; 10.10.8

Question 4

When is the Pitch Limit Indication (PLI) displayed?

Answer 4

• Flaps are not up

Note:FCOM, VOL 2; 10.10.10

Question 5

When is radio altitude displayed on the PFD?

Answer 5

• Below 2,500 feet AGL

Note:FCOM, VOL 2; 10.10.14

Question 6

Where are the marker beacon annunciations displayed?

Answer 6

• Upper right corner of the PFD

Note:FCOM, VOL 2; 10.10.15

Question 7

How do the glideslope and localizer pointers on the PFD indicate excessive glideslope or localizer deviation?

Answer 7

• The scales turn amber and the pointers flash.

Note:FCOM, VOL 2; 10.10.19

Question 8

How do you know when you are 1/3 of a dot deviation from the Localizer?

Answer 8

• The Localizer pointer is just touching the rectangle during expanded localizer deviation scale.

Note:FCOM, VOL 2; 10.10.16

Question 9

Where does the altitude you select on the altitude window in the MCP display on the PFD?

Answer 9

• The top of the altitude indications on the right side of the PFD.

Note:FCOM, VOL 2; 10.10.18 and 10.10.19

Question 10

Where is current track displayed on the ND?

Answer 10

• Top of the ND middle.

Note:FCOM, VOL 2; 10.10.33

Question 11

How can you control your displays if the EFIS control panel fails?

Answer 11

• Through the respective CDU.

Note:FCOM, VOL 2; 10.10.48

Question 12

Describe the PLN (plan) mode of the ND mode selector.

Answer 12

• Non-moving display
• True north is up
• Allows route step through, using the legs CDU page
• Airplane symbol represents actual airplane position

Note:FCOM, VOL 2; 10.10.38

Question 13

What systems failure would result in the NAV Source Selector positioned to CDU L (captain’s panel), and CDU R (F/O’s panel)?

Answer 13

• Dual FMC failure (alternate navigation)

Note:FCOM, VOL 2; 10.10.55

Question 14

Which source selector switch determines which localizer and glideslope receivers provide information to the respective PFD and ND?

Answer 14

• EIU source selector

Note:FCOM, VOL 2; 10.10.56

Question 15

What does the acronym EIU mean?

Answer 15

• EFIS/EICAS Interface Unit

Note:FCOM, VOL 2; 10.10.56

Question 16

Which IRS source provides autobrakes reference?

Answer 16

• IRU selected by the Captain

Note:FCOM, VOL 2; 10.10.56

Question 17

What source selector switch would you likely move in the event of an ALT or SPD flag in view on the PFD?

Answer 17

• Air Data Source Selector.

Note:FCOM, VOL 2; 10.10.56

Question 18

How can you control displays if the display select panel fails?

Answer 18

• Through the CDU.

Note:FCOM, VOL 2; 10.10.56

Question 19

The pitot static system provides pitot and static pressure to which aircraft systems and/or components?

Answer 19

• Air data computers
• Standby airspeed indicator and standby altimeter
• Elevator feel computer

Note:FCOM, VOL 2; 10.20.8

Question 20

Explain the course of air through the pitot static system as it enters the pitot and static tubes and ports all the way through to the displays.

Answer 20

• Air flows through the pitot tubes and static ports, to the air data computers, which provide information to the EIUs, displays of altitude, airspeed, mach, and air temperature.

Note:FCOM, VOL 2; 10.20.12