EQT 11 Systems For Communications

Question 1

What voice communications can you use is ATC

Answer 1

RTF
Direct controller to controller -talking

Telephone 
Interphone (headset)
Intercom 
Mobile phone 
ATOTN

Question 2

What does ATOTN stand for

Answer 2

Air traffic operational telephone network

Question 3

What is SELCAL and who uses it and when

Answer 3

Selective calling.

Used by long haul flights when outside Radar cover

Question 4

A/c with SELCAL should

Answer 4

Submit SELCAL code in FPL

Ensure aeronautical station has the correct code info by establishing comms

If check fails twice should contact over voice

Question 5

What is ACARS

Answer 5

Aircraft communications addressing and reporting system

Data link for manual/automatic transmission of message between a/c and ground station

Used by airlines/ops not ATSU - CPDLC used for this in ATC

Question 6

What are the 3 types of message used in ACARS

Answer 6

Air traffic control (ATC)

Aeronautical operational control (AOC)

Airline Admin Control (AAC)

Question 7

With ACARS how often does ICAO propose commercial a/c report their position

Answer 7

Every 15 minutes