UJIAN PERFORMANCE CHECK ACO RATING BAF 2021

A telecominication service between specified fixd point provided primarily for the safety of air navigation and the for the regular, efficient and economical operation of air service, is called…

• Aeronautical fixed service

• Aeronautical fixed telecommunication network

• Aeronautical fixed station

• Aeronautical station

Abbreviated call signs shall be in the following form…

• he first character of the registration and at least the last two characters of the call sign

• the second character of the registration and at least the last two characters of the call sign

• the first and second character of the registration and at least the last two characters of the call sign

• the last two letters of the callsign

Messages shall be cancelled by a telecommunication station only when…

• cancellation is authorized by the supervisor on duty

• cancellation is authorized by the message originator.

• cancellation is authorized by the person supervising the aerodorme

• cancellation is authorized by the addresse

The address shall comprise:

• alignment function and priority indicator;

• alignment function , priority indicator, addressee indicator and alignment function

• addressee indicator and alignment function

• priority indicator

Provisions relating to ATS direct speech communications are contained in

• Chapter 6 of Annex 11

• Chapter 5 of Annex 11

• Chapter 6 of Annex 10.

• Chapter 5 of Annex 10.

1. The international aeronautical telecommunication service shall be divided into four part…

• AFS,AMS,AMHS,ABS

• AFS,ARNS,AFTN,AMS

• AFS,AMS,ARNS,ABS

• AMS,AMHS,AFTN,AFS

How many catagories or message shall be handled by the AFTN……

• 21 messages

• 10 messages

• 6 messages

• 8 messages

Aeronautical administrative messages (priority indicator KK) shall comprise, except :

• messages regarding the operation or maintenance of facilities provided for the safety or regularity of aircraft operations;

• messages concerning the functioning of aeronautical telecommunication services;

• messages exchanged between civil aviation authorities relating to aeronautical services.

• messages concerning observations and reports, e.g. METAR, SPEC

What is the priority indicator of SNOWTAM..

• FF

• GG

• DD

• KK

Flight safety messages (priority indicator FF) shall comprise these item, except :

• messages concerning forecasts, e.g. terminal aerodrome forecasts (TAFs), area and route forecasts;

• movement and control messages as defined in PANS-ATM (Doc 4444), Chapter 11;

• messages originated by an aircraft operating agency of immediate concern to aircraft in flight or preparing to depart;

• meteorological messages restricted to SIGMET information, special air-reports, AIRMET messages, volcanic ash and tropical cyclone advisory information and amended forecasts.