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IAA ATCO Licence Theory Practice Questions - IAA Air Traffic Controller Licence Theoretical Knowledge Exam (Ireland) Exam
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Question
1
of 25
QUESTION 1 / 25
Which regulation defines the Standardised European Rules of the Air (SERA) governing airspace operations in Ireland?
Choose one answer below.
A
Commission Implementing Regulation (EU) No 923/2012
✓
B
Commission Regulation (EU) 2015/340
✓
C
ICAO Annex 17
✓
D
Irish Aviation Authority Act 1993
✓
QUESTION 2 / 25
According to EASA SERA, which airspace classes are defined as 'controlled airspace' where an Air Traffic Control service is provided?
Choose one answer below.
A
Classes A, B, C, D, and E
✓
B
Classes A, B, C, and D only
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C
Classes A to G inclusive
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D
Classes A, B, C, D, E, and F
✓
QUESTION 3 / 25
What are the Standard VMC visibility and distance-from-cloud minima for a VFR flight operating at FL90 in Class C airspace in Ireland?
Choose one answer below.
A
8 km flight visibility, 1,500 m horizontal and 1,000 ft vertical separation from clouds
✓
B
5 km flight visibility, 1,500 m horizontal and 1,000 ft vertical separation from clouds
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C
5 km flight visibility, 1.5 NM horizontal and 1,000 ft vertical separation from clouds
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D
8 km flight visibility, 1,000 m horizontal and 500 ft vertical separation from clouds
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QUESTION 4 / 25
What altimeter subscale setting must be dialed in by a pilot to read the aircraft's altitude above Mean Sea Level (AMSL)?
Choose one answer below.
A
QNH
✓
B
QFE
✓
C
QNE
✓
D
Standard Altimeter Setting (1013.2 hPa)
✓
QUESTION 5 / 25
Under EASA SERA, what is the minimum ground visibility required for an ATC unit to authorize a Special VFR flight to take off or land at an aerodrome within a Control Zone (CTR)?
Choose one answer below.
A
1,500 meters
✓
B
3,000 meters
✓
C
800 meters
✓
D
5,000 meters
✓
QUESTION 6 / 25
When two aircraft are converging in flight at approximately the same altitude, which aircraft has the right of way according to international and EASA Rules of the Air?
Choose one answer below.
A
The aircraft that has the other on its left
✓
B
The aircraft that has the other on its right
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C
The larger or less maneuverable aircraft
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D
The aircraft operating under Instrument Flight Rules (IFR)
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QUESTION 7 / 25
Under the SERA semi-circular cruising level system, which range of magnetic tracks requires the assignment of 'even' Flight Levels or altitudes for an IFR flight?
Choose one answer below.
A
180 to 359 degrees
✓
B
000 to 179 degrees
✓
C
090 to 269 degrees
✓
D
270 to 089 degrees
✓
QUESTION 8 / 25
For a flight intending to operate in controlled airspace, how long prior to departure must a flight plan be submitted under SERA guidelines?
Choose one answer below.
A
At least 60 minutes
✓
B
At least 30 minutes
✓
C
At least 15 minutes
✓
D
At least 120 minutes
✓
QUESTION 9 / 25
Under EASA Regulation 2015/340, which rating and rating endorsement must a licensed air traffic controller hold to provide radar approach services?
Choose one answer below.
A
Approach Control Surveillance (APS) rating with a Radar (RAD) endorsement
✓
B
Approach Control Procedural (APP) rating
✓
C
Area Control Surveillance (ACS) rating
✓
D
Aerodrome Control Instrument (ADI) rating
✓
QUESTION 10 / 25
If a pilot deviates from an ATC clearance in response to a TCAS Resolution Advisory (RA), what is the pilot's primary communication obligation?
Choose one answer below.
A
Notify ATC as soon as possible after commencing the deviation and advise when returning to the clearance
✓
B
Obtain ATC clearance before responding to the RA
✓
C
No notification is required as ATC receives the warning automatically via radar
✓
D
Notify ATC only after the flight has completed and landed
✓
QUESTION 11 / 25
What is the minimum EASA medical certificate class required for an individual to exercise the privileges of an Air Traffic Controller (ATCO) licence?
Choose one answer below.
A
Class 3 Medical Certificate
✓
B
Class 1 Medical Certificate
✓
C
Class 2 Medical Certificate
✓
D
LAPL Medical Certificate
✓
QUESTION 12 / 25
What is the official definition of a 'Danger Area' within airspace classifications?
Choose one answer below.
A
Airspace of defined dimensions within which activities dangerous to the flight of aircraft may exist at specified times
✓
B
Airspace where civil aircraft are permanently prohibited from flying due to national security
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C
Airspace where flight is restricted in accordance with certain specified conditions
✓
D
Airspace designated for military pilot training where civil aircraft require a mandatory military escort
✓
QUESTION 13 / 25
Which ICAO Annex contains the international standards and recommended practices for Air Traffic Services, establishing the framework for ATC units globally?
Choose one answer below.
A
Annex 11
✓
B
Annex 2
✓
C
Annex 14
✓
D
Annex 1
✓
QUESTION 14 / 25
In Ireland, which independent government body is responsible for investigating civil aviation accidents and serious incidents to determine cause and enhance safety?
Choose one answer below.
A
Air Accident Investigation Unit (AAIU)
✓
B
Irish Aviation Authority (IAA)
✓
C
AirNav Ireland
✓
D
Department of Transport Civil Aviation Division
✓
QUESTION 15 / 25
What is the vertical limit of the transition layer in altimetry procedures?
Choose one answer below.
A
The airspace between the transition altitude and the transition level
✓
B
The airspace below the transition altitude
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C
The airspace above FL180 up to the stratosphere
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D
The standard separation buffer of 1,000 feet above the runway elevation
✓
QUESTION 16 / 25
Which three services comprise the Air Traffic Service (ATS) provided to aviation?
Choose one answer below.
A
Air Traffic Control Service, Flight Information Service, and Alerting Service
✓
B
Area Control Service, Approach Control Service, and Aerodrome Control Service
✓
C
Radar Service, Procedural Service, and Advisory Service
✓
D
Search and Rescue, Meteorological Broadcasts, and Navigation Aids
✓
QUESTION 17 / 25
What is the standard lateral radar separation minimum applied between two aircraft in a terminal (approach) environment under standard secondary radar coverage in Ireland?
Choose one answer below.
A
3 Nautical Miles
✓
B
5 Nautical Miles
✓
C
10 Nautical Miles
✓
D
2 Nautical Miles
✓
QUESTION 18 / 25
What is the standard wake turbulence time separation required when a Light aircraft is departing from the same runway immediately after a Heavy aircraft?
Choose one answer below.
A
2 minutes
✓
B
3 minutes
✓
C
1 minute
✓
D
4 minutes
✓
QUESTION 19 / 25
What is the minimum radar distance separation required when a Medium aircraft is following a Heavy aircraft on the same final approach path?
Choose one answer below.
A
5 Nautical Miles
✓
B
3 Nautical Miles
✓
C
4 Nautical Miles
✓
D
6 Nautical Miles
✓
QUESTION 20 / 25
What is the standard direction of turn for an aircraft entering a holding pattern unless otherwise specified by ATC?
Choose one answer below.
A
Right turns
✓
B
Left turns
✓
C
Turns toward the high-pressure area
✓
D
Turns away from the airport terminal
✓
QUESTION 21 / 25
Which of the following is a recognized method for establishing radar identification of an aircraft using Primary Surveillance Radar (PSR)?
Choose one answer below.
A
Observing that the aircraft has conformed to a specific instruction to execute a turn of 30 degrees or more
✓
B
Correlating a target with an SSR transponder Squawk code
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C
Requesting the pilot to switch their transponder to 'IDENT'
✓
D
Verifying the aircraft registration from voice communications
✓
QUESTION 22 / 25
What is the main operational purpose of Controller-Pilot Data Link Communications (CPDLC)?
Choose one answer below.
A
To provide text-based exchange of routine messages and clearances between controllers and pilots, reducing voice frequency congestion
✓
B
To transmit real-time aircraft video feeds from the cockpit directly to the ATC tower console
✓
C
To automate the pilot's autopilot inputs using ground-based ATC computers
✓
D
To provide secondary backup voice communications using satellite phone protocols
✓
QUESTION 23 / 25
Which transponder squawk code is reserved internationally to indicate that an aircraft has experienced a total radio communication failure?
Choose one answer below.
A
7600
✓
B
7500
✓
C
7700
✓
D
2000
✓
QUESTION 24 / 25
Which transponder squawk code is reserved internationally to indicate that an aircraft is subject to unlawful interference (hijack)?
Choose one answer below.
A
7500
✓
B
7600
✓
C
7700
✓
D
7000
✓
QUESTION 25 / 25
What is the function of the Minimum Safe Altitude Warning (MSAW) system?
Choose one answer below.
A
It is a ground-based safety tool that generates an alert if an aircraft's radar track is predicted to descend below a safe altitude
✓
B
It is an on-board cockpit instrument that audibly warns the pilot of terrain closeness
✓
C
It is an ATC radar mode that automatically climbs an aircraft if it drops too low
✓
D
It is a database containing terrain maps used to plan flight plan routing
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