ACI 2 (Mod 3-4)

Question 1

When is the advent of digital electronics

Answer 1

1970

Question 2

Electronic Instrument System is also known as

Answer 2

Glass cockpit

Question 3

had the advantage of combining several flight and navigation functions into one display to provide the crew with greater situational awareness

Answer 3

Glass cockpit

Question 4

The first commercial transport aircraft to employ an Electronic Instrument System (EIS) and when

Answer 4

Mcdonnell douglas md-80 1979

Question 5

specialized vacuum tube in which images are produced when an electron beam strikes a phosphorescent surface

Answer 5

Cathode-ray rube

Question 6

It replaces cathode-ray tube

Answer 6

Liquid Crystal Display

Question 7

How many LCD in a commercial aircraft

Answer 7

5 or more

Question 8

The early EIS displays mimicked the analog display formats for ease in pilot training as the crew transitioned from older analog displays to digital displays that were driven by aircraft data computers, known as

Answer 8

Display processors/Symbol generators

Question 9

Two versions of ADI

Answer 9

• Analog Attitude Direction Indicator
• Electronic Attitude Direction Indicator

Question 10

Two version of HSI

Answer 10

• Analog Horizontal Situations Display
• Electronic Horizontal Situations Display

Question 11

an artificial horizon with lateral bars superimposed to display computer-generated pitch, roll and bank steering commands from the Flight Director computer.

Answer 11

ADI / EADI

Question 12

combines navigation commands from the VHF Omni-Range (VOR) or Global Positioning System (GPS) receivers, which are used for en-route guidance, or from the Instrument Landing System (ILS), which is used for terminal guidance.

Answer 12

HSI or EHSI

Question 13

Besides heading, the HSI/EHSI also provides actual track, desired track, track angle error, drift angle, cross-track deviation, and distance to destination information, from the

Answer 13

Distance Measuring Equipment (DME) or Inertial Navigation System (INS).

Question 14

first entered service in 1995, has six 8’ × 8” multi-color LCD displays.

Answer 14

Boeing 777

Question 15

The B777 EIS consists of a dual-redundant

Answer 15

• Electronic Flight Instrument Systems (EFIS)
• Engine Indication and Crew Alerting System (EICAS).

Question 16

The _______ takes the place of the EADI and displays all the information critical to flight, including attitude, airspeed, barometric altitude, vertical speed, heading, flight modes, radio altitude, ILS data, and __________.

Answer 16

• PFD
• Traffic Alert and Collision Avoidance System (TCAS) resolution advisory.

Question 17

designed to increase the crew’s situational awareness by integrating all of this information into a single composite display instead of the crew having to monitor several independent analog instruments.

Answer 17

PFD

Question 18

Format of primary flight display

Answer 18

Center: Artificial horizon
Left: Airspeed
Right: Altitude
Bottom: Heading
Top: Flight modes

Question 19

takes the place of the EHSI display to show the requisite information to navigate the aircraft, including heading, VOR, GPS, and ILS guidance.

Answer 19

Navigation display

Question 20

an aircraft pitot- static system flight instrument that shows the ratio of the true airspeed to the speed of sound, a dimensionless quantity called Mach number.

Answer 20

Machmeter

Question 21

Mach number is shown on a machmeter as a

Answer 21

Decimal fraction

Question 22

Vertical speed indicator (VSI) is also known as

Answer 22

Rate of climb and descent indicator (RCDI)

Question 23

an instrument which indicates the rate of climb or descent of an aircraft.

Answer 23

Vertical speed indicator or Rate of climb and descent indicator

Question 24

It integrates various sensors to provide essential flight data to the pilot and other aircraft systems.

Answer 24

Air Data, Attitude, and Heading Reference System

Question 25

detects the Earth’s magnetic field to determine the aircraft’s orientation relative to magnetic north.

Answer 25

Magnetometer (GMU)

Question 26

This computer, rather than individual instruments, can determine the calibrated airspeed, Mach number, altitude, and altitude trend data from an aircraft’s Pitot Static System.

Answer 26

Air Data Computer

Question 27

Measure parameters such as airspeed, altitude, and outside air temperature.

Includes sensors like pitot tubes, static ports, and temperature probes.

Answer 27

Air Data Sensors

Question 28

The primary difference between analog and digital air data systems lies in

Answer 28

how they process, display, and transmit air data parameters

Question 29

use continuous electrical signals and mechanical gauges for parameters like airspeed and altitude.

Answer 29

Analog Air Data Systems

Question 30

They rely on analog circuitry and mechanical linkages, displaying information on traditional gauges.

Answer 30

Analog Air Data Systems

Question 31

Maintenance-intensive, they offer less precision compared to digital systems due to mechanical wear and calibration complexities.

Answer 31

Analog Air Data Systems

Question 32

convert data into binary code, using solid-state sensors and digital processors.

Answer 32

Digital Air Data Systems

Question 33

They provide precise readings on digital displays, employing digital signal processing for accuracy.

Answer 33

Digital Air Data Systems

Question 34

Reliable and less maintenance-intensive than analog systems, they offer advanced features like trend monitoring and integration with modern avionics systems

Answer 34

Digital Air Data Systems