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Air Traffic Management > Air Traffic Services > Flashcards

Air Traffic Services Flashcards

1
Q

What are the types of Air Traffic Service available?

A

Air Traffic Control Service
Air Traffic Advisory Service
Flight Information Service
Alerting Service

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2
Q

What are the divisions of Air Traffic Control Service?

A

Area Control Service
Approach Control Service
Aerodrome Control Service

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3
Q

Who has the responsibility for the provision of an Area Control Service?

A

Area Control Service shall be provided, by an Area Control Centre (ACC) or by the unit providing approach control service in the CTR or CTA if no ACC is established.

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4
Q

Who has the responsibility for the provision of an Approach Control Service?

A

An aerodrome control tower if combining Tower and Approach is desirable

An ACC if combining Area and Approach is desirable.

A sole approach control unit, if it is desirable to establish a separate unit.

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5
Q

Who has the responsibility for the provision of an Aerodrome Control Service?

A

An Aerodrome Control Tower

Apron Management may be delegated elsewhere

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6
Q

Where and to whom shall an Air Traffic Control Service be provided?

A

To all IFR flights in airspace Classes A, B, C, D and E.

To all VFR flights in airspace Classes B, C, and D.

To all special VFR flights

To all aerodrome traffic at controlled aerodromes.

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7
Q

Define a Flight Information Centre

A

A unit established to provide FIS and alerting service.

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8
Q

Define a Flight Information Service

A

A service provided for the purpose of giving advice and information useful for the safe and efficient conduct of flights.

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9
Q

To which aircraft shall a FIS be provided to?

A

All aircraft that are provided with an ATC service or are known to the ATSU, and are likely to be affected by the information

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10
Q

If an ATSU provides both FIS and ATC, which takes precedence?

A

Air traffic control service shall have precedence over FIS

However, in certain circumstances aircraft may require essential information without delay.

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11
Q

What pertinent information shall be provided by a FIS?

A

SIGMETs and AIRMETs
Volcano Information
Radioactive or toxic materials Information
Availability of Radio Navigational Services
Conditions of aerodromes and associated facilities
Unmanned free balloon Information
Weather conditions reported or forecast
Collision hazard information to aircraft operating in Classes C, D, E, F and G
Boat information for aircraft over water
Any information likely to affect safety

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12
Q

What extra pertinent information shall be provided to VFR by a FIS?

A

Information about traffic and weather that makes VFR impractical

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13
Q

What information related to collision hazards is provided by a FIS?

A

Known activities that constitute risks to the aircraft concerned.

The information may sometimes be incomplete and the ATSU is not responsible for its accuracy.

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14
Q

Who has responsibility for FIS?

A

Within an FIR:
A Flight Information Centre (FIC), unless responsibility has been delegated to a capable ATC unit

Within controlled airspace and at controlled aerodromes:
By the relevant ATC units.

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15
Q

How is information from a FIS disseminated to aircraft?

A

Directed Transmission
Broadcast
Datalink
or a General Call for a sudden Occurence of Hazard

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16
Q

What is VOLMET?

A

Meteorological information for aircraft in flight.

17
Q

How are VOLMETs transmitted?

A

VOLMET reports are broadcast on a loop over high frequency (HF) & very high frequency (VHF) radio.

18
Q

What is contained in a VOLMET?

A

TAF, SIGMET and METAR for a list of aerodromes.

19
Q

Describe ATIS

A

Automatic Terminal Information Service

The automatic provision of current and routine information to arriving and departing aircraft.

20
Q

Describe D-ATIS

A

The provision of ATIS via data link.

21
Q

Describe Voice-ATIS

A

The provision of ATIS by means of continuous and repetitive voice broadcasts.

22
Q

Who is an alerting service provided to?

A

All Aircraft provided with an ATC Service.

All other known to ATS, in so far as practicable.

To any aircraft known or believed to be the subject of unlawful interference.

23
Q

Why is an Alerting Service provided?

A

To notify organisations about aircraft in need of SAR and to assist those organisations.

24
Q

Who is an Alerting Service provided by?

A

Every ATS.

25
Q

Define Air Traffic Advisory Service

A

A service provided within advisory airspace to ensure separation, insofar as practicable, between aircraft which are operating on IFR flight plans.

26
Q

Define Advisory Airspace

A

An airspace of defined dimensions, or designated route, within which air traffic advisory service is available.

27
Q

Define Advisory Route

A

A designated route along which air traffic advisory service is available.

28
Q

Are Advisory Routes controlled airspace?

A

No. Air traffic advisory service provides a much less complete service, and therefore advisory areas and routes are not established within controlled airspace.

29
Q

What is the objective of an Air Traffic Advisory Service?

A

To make information on collision hazards more effective than a mere FIS.

30
Q

What do ATSUs do in Advisory Airspace?

A

Suggest to the aircraft a course of action by which a potential hazard may be avoided.

Pass to aircraft information comprising the same information as that received by an area control service.

Prioritise aircraft already in advisory airspace over other aircraft wanting to enter advisory airspace.

Advise aircraft to depart at the time specified, and cruise at the levels indicated in the flight plan, if it does not foresee any conflict with other known traffic.

31
Q

Where should Advisory Airspace be implemented?

A

Where the ATS is inadequate for a control service.

Where the limited advice on collision hazards provided by a FIS will not meet the requirement.

Where it can be a temporary measure, to be replaced by a control service.

32
Q

What does the advisory airspace not do?

A

It does not offer the same degree of safety or assume the responsibilities of a control service.

It does not deliver clearances.

33
Q

Can an IFR flight operate in Advisory Airspace but not use the Advisory Service?

A

Yes. An IFR flight can, but a flight plan shall still be submitted and changes notified.

The aircraft should cross an advisory route as close to 90 degrees and at a level appropriate to its track.

34
Q

What should an aircraft wishing to participate in Advisory Airspace do?

A

Establish Air-Ground contact with the ATSU.

Comply with controlled flight procedures except the flight is not subject to a clearance.

The aircraft shall decide whether-or-not to act on advice issued but it shall inform the unit of its decision.

Air Traffic Management (26 decks)

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