A - Future Air Nav System (FANS) (15-06-18)

Question 1

What is the purpose of FANS?

Answer 1

To provide a datalink between ground stations and A/C in order to improve efficiency of ATS

Provides information via text

Provides world wide coverage

Question 2

What is the data transfer rate of ACARS?

Answer 2

2.4kb/sec

Question 3

What is the data transfer rate of CPDLC?

Answer 3

31.5kb/sec

Question 4

What is the difference between downlink and uplink?

Answer 4

downlink is info sent from A/C to the ground

uplink is info sent from the ground up to an A/C

Question 5

What Information can be provided via uplink/downlink messages?

Answer 5

Requests of departure clearence, oceanic clearence

ATIS info

Pushback

Terminal weather info for pilots TWIP

expected taxi