Avionics-CPDLC RKA Questions

Question 1

How many CPDLC messages may be stored?

Answer 1

• Up to 75 messages until the end of the flight

(AOM 9-09-50)

Question 2

What selection needs to be activated on the COM 3 control page prior to using CPDLC?

Answer 2

• The DATA mode selection

(AOM 9-09-50)

Question 3

How will a pilot be notified that an uplink (CPDLC) message has arrived?

Answer 3

• A CPDLC MESSAGE CAS message will be displayed and a MESSAGE ATC aural annunciation will sound

(AOM 9-09-50)

Question 4

Does an ATC message received have priority over an ACARS message received?

Answer 4

• Yes

(AOM 9-09-50)

Question 5

What is the usage of ATN-CPDLC restricted to?

Answer 5

• Supplementary means of communications for non-time critical messages

(AOM 2-64)

Question 6

What phase of flight is the usage of ATN-CPDLC restricted to?

Answer 6

• Cruise flight (above FL200) and for noncritical messaging (AOM 2-64)