Communication

Question 1

ICAO GOLD

Answer 1

Global Operational Datalink

Question 2

Data Link Services

Answer 2

-ACARS ATS
-FANS 1/A
-ATN B1

Question 3

FANS

Answer 3

-Future Air Navigation System
-Involves CPDLC, RNAV/RNP and ADS-C
-Uses ACARS network
-“1/A” initial one, “1/A+” with latency monitoring
-Can be combined with ATN B-1

Question 4

ATN

Answer 4

-Aeronautical Telecommunication Network
-“B1” Baseline 1
-Uses only VHF network
-Can be combined with FANS 1/A

Question 5

ACARS Network

Answer 5

-Aircraft Communication Addressing and Reporting System
-Mainly uses VHF and Satellite (Inmarsat, Iridium) Networks
-Also uses HFDL subnetwork

Question 6

ADS-C

Answer 6

-Automatic Dependant Surveillance Contract
-Periodic, Demand or Event type contracts

Question 7

Flight Crew Response Times for CPDLC

Answer 7

-60sec
-For an ATN-B1 aircraft: after 100sec message times out

Question 8

ADS-B

Answer 8

-Automatic Dependant Surveillance Broadcast
-Application of Mode S Transponder
-Since it only uses transponders signals, range is about 120NM

Question 9

TIBA

Answer 9

-Traffic Information Broadcasts by Aircraft
-Listening watch starts 10min before the area
-Broadcasts start 10min before area, reporting point, join or crossing airway
-Every 20min between distant reporting points
-2/5 minutes before level change

Question 10

TIBA Collision Avoidance

Answer 10

-According to right of way
-If not possible descend half seperation value
-Reply to the broadcast
-Turn on exterior lights
-As soon as practicable resume normal level