5.1

Question 1

What does EIDS stand for?

Answer 1

Electronic Instrument Display System

Question 2

What does EFIS stand for?

Answer 2

Electronic Flight Display System

Question 3

What advantages do EIDS and EFIS give over analogue instruments?

Answer 3

• Variability and Variety
• Coloured Display
• Important data is accentuated
• Fewer Components
• All monitors for EFIS are the same
• Displays are interchangeable

Question 4

How do modern aircraft use technology?

Answer 4

Pilots select push button commands which are processor controlled and transmitted via data buses to receiver system

Calculations made my CPU’s

Electronic units are interconnected by digital buses

Question 5

What bus transfers required data digitally?

Answer 5

Data bus

Question 6

What ways are ARINC 429 bus, data outputted?

Answer 6

Via “DISPLAY”data busses to CPU-controlled Cathode Ray Tubes (CRT) or Liquid Crystal Display (LCD)

Via “DIGITAL” data buses to a printer for a hard copy printout

In “DIGITAL” form to a radio transmitter

Question 7

What is the format for data transfer?

Answer 7

ARINC 429