FLT Instruments and Displays

Question 1

If both Capt and FO pitot tubes are inoperative (damaged/blocked), how is airspeed provided?

Answer 1

Directly Via Stby Pitot probe to Stby ASI or ISFD

Question 2

What directly provides inertial position and track data to the associated FMC?

Answer 2

ADIRU

Question 3

Failure flags are used to display system failures on which displays?

Answer 3

PFD, ND, ISFD (Stby Inst)

Question 4

What indicates maximum operating speed?

Answer 4

Bottom of the upper barber pole

Question 5

Pushing STD on the EFIS control panel does what?

Answer 5

Sets baro ref to 29.92

Question 6

Flight path angle is available on the PFD through use of what?

Answer 6

FPV EFIS CTRL panel Switch

Question 7

The location of the PFD, ND, and Engine Instrument displays may be moved using switches on what panel?

Answer 7

Display Select Panel

Question 8

What are the standby instruments?

Answer 8

ISFD, or Stby AI, ASI, ALT, RMI, Compass

Question 9

What is the difference in the two CDS lights on the PFD and when would you see them?

Answer 9

White : Dispatchable, Amber not, On gnd before 2nd Eng start

Question 10

. Can the Integrated Standby Flight Display operate separate from the electrical system?

Answer 10

Yes

Question 11

. If the outboard display fails, is automatic switching available? If so, where is the PFD displayed?

Answer 11

Yes, goes to Inboard DU

Question 12

How are maneuver speeds indicated?

Answer 12

Top of lower amber band, bottom of upper amber band on Airspeed tape

Question 13

How are airspeeds bugged if the FMCs are INOP?

Answer 13

Use Speed Ref knob on ENG DISPLAY CTRL panel

Question 14

When do the Pitch Limit Indicators populate?

Answer 14

When Flaps Extended or clean at low speeds

Question 15

The Expanded Localizer Scale is used to clue a pilot to localizer deviation. What parameters cause the expanded
scale to populate?

Answer 15

AP/FD in LOC mode, deviation slightly more than ½ dot, Track <5 degrees of MCP selected course

Question 16

What is the logic of the Landing Altitude Indication (amber) on the PFD?

Answer 16

Shows Departure Rwy alt until half way or at 400nm, then shows ldg runway alt.

Question 17

Using the VSD, how would you know that you will achieve a target speed within a certain distance?

Answer 17

Range to target speed indicator

Question 18

On the VSD, gates are provided at altitudes along an approach path?

Answer 18

1000, 500ft AGL

Question 19

What causes the Altitude Disagree Alert, and where is it annunciated?

Answer 19

CAs & FOs alt > 200ft for more than 5 seconds. ALT DISAGREE (amber) will display on both PFD’s
altitude tape.

Question 20

What causes the airspeed Disagree Alert and where is it populated?

Answer 20

CAs & FOs airspeed > than 5 kts for 5 continuous seconds. IAS DISAGREE (amber) will display on both
PFDs airspeed tape

Question 21

. AOA integrity is monitored by comparing left and right AOA values. How much disagree causes a disagree alert?

Answer 21

More than 10 degrees for more than 10 continuous seconds