FLIGHT INSTRUMENTS AND DISPLAYS

Question 1

Altitude Disagree Alert (amber). When does it display?

Answer 1

Indicates the Captain’s and F/O’s altitude indications disagree by more than 200
feet for more than 5 continuous seconds.

Question 2

Roll Flag (amber). When does it display?

Answer 2

The Captain and First Officer roll displays differ by more than 5 degrees.

Question 3

Pitch Flag (amber). When does it display?

Answer 3

The Captain and First Officer pitch angle displays differ by more than 5 degrees

Question 4

Expanded Localizer Scale. When does it display?

Answer 4

Displayed when the autopilot or flight director is in LOC mode, deviation is slightly more than one half dot and track is within 5 degrees of the MCP selected course.

Question 5

A rectangle equals 1/2 dot deviation on the expanded localizer display. True or False?

Answer 5

True

Question 6

Landing Altitude Reference Bar. What does white and yellow bar signify?

Answer 6

Indicates height above touchdown:
— White bar – 500 to 1000 feet above landing altitude
— Amber bar – 0 to 500 feet above landing altitude.

Question 7

When does the radio altimeter start to display?

Answer 7

2500 AGL

Question 8

What are the indicated analog AOA values?

Answer 8

-6 to 21 AOA

Question 9

How many degrees of bank angle protection does the min maneuvering line give?

Answer 9

40 degrees to provide a 1.3 g protection

Question 10

Flap maneuvering speeds give you how many degrees of bank protection?

Answer 10

40 degrees

Question 11

Mach number starts indication on the bottom of airspeed starting when?

Answer 11

M0.40

Question 12

True airspeed displays above how many knots?

Answer 12

100 kts

Question 13

When does wind speed and direction display?

Answer 13

Above 6 knots of wind

Question 14

VNAV path pointer and deviation scale is a 400 foot scale. True or False?

Answer 14

True

Question 15

Dashed runway centerlines extend how many miles?

Answer 15

14.2 NM

Question 16

When does the rising runway symbol start to come up?

Answer 16

Rises towards airplane symbol when radio altitude is below 200 feet.

Question 17

AOA Disagree Alert (amber). When does it come on?

Answer 17

Indicates the left and right AOA values disagree by more than 10 degrees for more
than 10 continuous seconds.

Question 18

Airspeed Disagree Alert (amber). When does it come up?

Answer 18

Indicates the captain’s and F/O’s airspeed indications disagree by more than 5
knots for 5 continuous seconds.

Question 19

How many DEU do we have? Display Electronics Unit

Answer 19

2

Question 20

How long does the ISFD take to initialize?

Answer 20

90 secs

Question 21

What is the DEU equivilant on the MAX called?

Answer 21

DPC.. Display Processing Computer. 2 DPC’s

Question 22

Can one DPC generate display for all screens if one fails?

Answer 22

Yes

Question 23

Air Data Inertial Reference System (ADIRS). What it is?

Answer 23

The ADIRS produces flight data such as position, speed, altitude and attitude for the
flight displays, flight management computers, flight controls, engine controls and all
other systems requiring inertial and air data.

Question 24

What components make up the ADIRS system?

Answer 24

The major components of the ADIRS are:

- two air data inertial reference 
units (ADIRUs)
— four air data modules (ADMs)
— one inertial system display 
unit (ISDU)
— one dual mode select unit 
(MSU)
— six static ports
— three pitot probes
— two alpha vanes
— one total air temperature probe

Question 25

How many ADIRU do we have?

Answer 25

2

Question 26

How many IRS do we have that ties into the ADIRU’s?

Answer 26

2 total

Question 27

How many air data modules do we have?

Answer 27

4

Question 28

The primary source of data for the AOA indicator on the PFD is supplied by the
ADIRU, with the Stall Management Yaw Damper (SMYD) as the backup source. True or False?

Answer 28

True

Question 29

Heading information for the ISFD is provided by the left ADIRU. True or False?

Answer 29

True