5.1 Flashcards
1
Q
What does EFIS stand for?
A
Electronic Flight Instrument System
2
Q
What does EIDS stand for?
A
Electronic Instrument Display System
3
Q
What instrument display systems do all aircraft use?
A
EIDS or EFIS
4
Q
What is a CPU?
A
Central processing unit
5
Q
What are advantages of using digital display systems to analogue instruments?
A
- colourful displays
- variable/variety
- unimportant data is suppressed, important data is accentuated
- fewer components needed
- redundancy (displays are interchangeable)
6
Q
How is required data transmitted on an aircraft?
A
Digitally via the ARINC 429 bus
7
Q
What is a CRT?
A
Cathode Ray tube
8
Q
What is an LCD?
A
Liquid Crystal Display
9
Q
How are pilot commands processed from the cockpit?
A
- Input controlled and transmitted via data busses to receiver systems
- calculations made by CPU’s
10
Q
Which instruments are part of EFIS?
A
Navigation Display (ND) Primary Flight Display (PFD)
11
Q
What instruments are part of the EIDS?
A
Engineer warnings
System pages
12
Q
How can data be retrieved?
A
- displays (CRT, LCD)
- printed
- digital form (to ground to receive)
