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DGAC Bolivia Air Traffic Controller (CTA) Practice Questions - DGAC Bolivia Air Traffic Controller License Theoretical Examination (Controlador de Tránsito Aéreo - CTA) Exam
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Question
1
of 25
QUESTION 1 / 25
Under Chapter B of Bolivia's RAB 65, what is the legal authority and scope of an Air Traffic Controller License (Controlador de Tránsito Aéreo - CTA)?
Choose one answer below.
A
It authorizes the holder to provide air traffic control services in the specific operational ratings endorsed on the license (such as Aerodrome Control, Approach Control, or Area Control), in accordance with DGAC regulations and NAABOL operational standards.
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B
It authorizes the holder to pilot commercial transport aircraft within Bolivian airspace.
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C
It permits the holder to act as an aircraft maintenance engineer on transport category aircraft.
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D
It authorizes the holder to manage international airline passenger ticketing.
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QUESTION 2 / 25
What age and medical requirements apply to a Bolivian Air Traffic Controller License in 2026, including the change already stated in current RAB 65 for 2027?
Choose one answer below.
A
At least 18 years in 2026 and a valid Class 3 Aeronautical Medical Certificate; RAB 65 raises the minimum age to 21 from 1 January 2027.
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B
At least 21 years in 2026 and a Class 1 Aeronautical Medical Certificate.
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C
At least 17 years of age and a Class 2 Aeronautical Medical Certificate.
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D
At least 25 years of age with no medical certificate required.
✓
QUESTION 3 / 25
According to ICAO Annex 11 and Bolivia's current RAB 211, what are the five primary objectives of Air Traffic Services (ATS)?
Choose one answer below.
A
Prevent collisions between aircraft, prevent collisions between aircraft and obstructions on the maneuvering area, expedite and maintain an orderly flow of air traffic, provide advice and information useful for the safe and efficient conduct of flights, and notify appropriate organizations regarding aircraft in need of search and rescue aid.
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B
Collect airport landing fees, refuel commercial aircraft, maintain runway asphalt, sell airline tickets, and issue pilot licenses.
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C
Control military air defense radars, pilot drones, conduct air accident investigations, inspect passenger luggage, and provide weather forecasts.
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D
Design aircraft engines, enforce airline ticket pricing, manage catering logistics, issue passport visas, and build airport terminals.
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QUESTION 4 / 25
What are the three fundamental divisions of Air Traffic Services (ATS) established under current RAB 211 and ICAO Annex 11?
Choose one answer below.
A
Air Traffic Control Service (ATC), Flight Information Service (FIS), and Alerting Service (ALRS).
✓
B
Tower Service, Approach Service, and Customs Service.
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C
Radar Service, Non-radar Service, and Satellite Service.
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D
Domestic Service, International Service, and Military Service.
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QUESTION 5 / 25
Which set of ratings can be endorsed on an Air Traffic Controller License in Bolivia under RAB 65?
Choose one answer below.
A
Aerodrome Control, Approach Control Procedural, Approach Control Surveillance, Precision Approach Radar, Area Control Procedural, and Area Control Surveillance.
✓
B
Single-Engine Rating, Multi-Engine Rating, Instrument Rating, and Flight Instructor Rating.
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C
Private Controller Rating and Commercial Controller Rating only.
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D
Domestic Controller Rating and Foreign Controller Rating.
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QUESTION 6 / 25
In the Bolivian civil aviation structure, what is the division of institutional responsibilities between the DGAC and NAABOL (formerly AASANA)?
Choose one answer below.
A
The DGAC is the civil aviation regulatory authority responsible for safety oversight, licensing, and certification; NAABOL (Navegación Aérea y Aeropuertos Bolivianos) is the air navigation service provider (ANSP) responsible for operating air traffic control facilities and managing public airports.
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B
NAABOL writes aviation laws; DGAC provides air traffic control towers.
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C
DGAC is an airline company; NAABOL is the military air force.
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D
Both entities perform identical overlapping flight inspection services.
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QUESTION 7 / 25
Under RAB 65.250, what occurs when a controller has not exercised a particular rating for six months or more?
Choose one answer below.
A
The holder may not exercise that rating until the licensing authority has verified psychophysical fitness and practical competence through the required tests.
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B
The license is permanently cancelled with no reinstatement permitted.
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C
The controller may continue controlling traffic as long as their medical certificate is valid.
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D
The controller is automatically transferred to another department.
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QUESTION 8 / 25
What is the relationship between an Air Traffic Control clearance and the Pilot in Command's ultimate responsibility for safety under ICAO Annex 2 and RAB 91?
Choose one answer below.
A
An ATC clearance is an authorization to proceed under specified conditions; however, the Pilot in Command remains solely responsible for the safe operation of the aircraft and compliance with terrain avoidance rules.
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B
An ATC clearance relieves the pilot of all collision avoidance responsibility.
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C
ATC clearances are voluntary recommendations that pilots may ignore without notification.
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D
Controllers are legally liable for aircraft weight and balance configurations.
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QUESTION 9 / 25
According to the current Bolivian PANS-ATM manual, what is an ATS Estimate (EST) message and when should it reach the receiving unit?
Choose one answer below.
A
A coordination message with flight and boundary-estimate data that should reach the receiving unit at least 20 minutes before the aircraft is estimated over the transfer point, unless a shorter period is prescribed.
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B
A post-flight summary sent to airline accounting.
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C
A weather forecast transmitted to the local news.
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D
A calculation of remaining passenger baggage capacity.
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QUESTION 10 / 25
Which statement correctly describes an ATC unit's handling of a Special VFR (SVFR) request in a Bolivian control zone?
Choose one answer below.
A
It is handled only at the aircraft's request and with approach-control approval, subject to traffic conditions and at least 1,500 m ground visibility; prescribed separation is provided from IFR flights and between SVFR flights when required by the authority.
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B
Granted automatically by the controller without pilot request whenever visibility drops to zero.
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C
Allowed only for supersonic commercial jets.
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D
Requires no separation against other aircraft in the CTR.
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QUESTION 11 / 25
What is the name and ICAO four-letter identifier of the Flight Information Region (FIR) that encompasses the entire national airspace of Bolivia?
Choose one answer below.
A
La Paz FIR (SLLF)
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B
Santa Cruz FIR (SLVR)
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C
Cochabamba FIR (SLCB)
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D
Amazonas FIR (SBAZ)
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QUESTION 12 / 25
What is 'Essential Traffic Information' and when must an air traffic controller issue it to an aircraft?
Choose one answer below.
A
Information given to designated IFR or VFR aircraft regarding other traffic whose position, altitude, and track could potentially conflict, whenever those flights are not separated by standard separation minima.
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B
Information regarding the arrival time of VIP passengers.
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C
Reports on airline catering deliveries.
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D
Information on ground transportation buses at the terminal.
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QUESTION 13 / 25
What is the minimum ICAO Language Proficiency Level required for an air traffic controller providing radiotelephony service to international flights in Bolivia?
Choose one answer below.
A
ICAO Operational Level 4 in English for controllers using English radiotelephony on international operations; Spanish remains the State's official working language requirement.
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B
ICAO Pre-operational Level 3.
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C
ICAO Expert Level 6 only in Spanish, with no English required.
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D
Level 1 Elementary.
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QUESTION 14 / 25
What information is provided to aircraft under the Flight Information Service (FIS)?
Choose one answer below.
A
SIGMET and AIRMET weather advisories, volcanic ash alerts, changes in the serviceability of navigation aids, aerodrome condition reports (NOTAMs), and collision hazard warnings regarding other aircraft in uncontrolled airspace.
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B
Mandatory radar headings to execute intercept maneuvers.
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C
Hotel reservation listings for passengers.
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D
Fuel pricing comparisons between competing airlines.
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QUESTION 15 / 25
What is the required sequence when an aerodrome controller issues a conditional line-up clearance to an aircraft?
Choose one answer below.
A
Aircraft identification, the condition, the clearance, and a brief repetition of the condition (for example, 'CP-1234, BEHIND landing Boeing 737, LINE UP AND WAIT runway 09, BEHIND').
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B
'CP-1234, go onto runway 09 right now before the landing plane arrives.'
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C
'CP-1234, cleared for takeoff whenever you are ready.'
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D
'CP-1234, follow the truck onto the runway.'
✓
QUESTION 16 / 25
When a displayed pressure-altitude indication is outside the permitted tolerance, what should the controller first ask the pilot to do?
Choose one answer below.
A
Check the altimeter setting and confirm the aircraft's level; if the discrepancy persists, follow the prescribed procedure for stopping altitude transmission and notifying the pilot.
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B
'TURN RADAR ON MAXIMUM'
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C
'RECYCLE TRANSPONDER THREE TIMES'
✓
D
'TRANSMIT GPS COORDINATES NOW'
✓
QUESTION 17 / 25
What are the three international Emergency/Alerting Service phases declared by an air traffic control unit during an aircraft incident?
Choose one answer below.
A
INCERFA (Uncertainty Phase / Fase de Incertidumbre), ALERFA (Alert Phase / Fase de Alerta), and DETRESFA (Distress Phase / Fase de Peligro).
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B
Phase 1, Phase 2, and Phase 3.
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C
Caution Phase, Warning Phase, and Panic Phase.
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D
Standby Phase, Search Phase, and Rescue Phase.
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QUESTION 18 / 25
What is the primary function of physical or electronic Flight Progress Strips (fichas de progreso de vuelo) on an air traffic control operating position?
Choose one answer below.
A
To provide a continuous, real-time chronological record of aircraft flight plan data, assigned levels, route clearances, control revisions, and coordination handoffs, maintaining the controller's situational awareness.
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B
To serve as paper receipts for landing fees.
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C
To record passenger meal orders.
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D
To log daily control tower visitor names.
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QUESTION 19 / 25
Under standard ICAO / DGAC procedural rules, what vertical separation minimum must be maintained between IFR aircraft operating below FL290?
Choose one answer below.
A
1,000 feet (300 meters) vertical separation.
✓
B
2,000 feet vertical separation.
✓
C
500 feet vertical separation.
✓
D
3,000 feet vertical separation.
✓
QUESTION 20 / 25
What vertical separation must an Area Control Center (ACC) controller provide between a non-RVSM approved military aircraft and an RVSM-approved commercial airliner operating at FL350 in RVSM airspace?
Choose one answer below.
A
2,000 feet vertical separation (non-RVSM aircraft cannot be separated by 1,000 feet from other traffic).
✓
B
1,000 feet vertical separation.
✓
C
500 feet vertical separation.
✓
D
No vertical separation is required if lateral radar contact is established.
✓
QUESTION 21 / 25
Under non-radar procedural control (ICAO Doc 4444), what is the standard time-based longitudinal separation minimum between aircraft on the same track at the same level?
Choose one answer below.
A
15 minutes (or 10 minutes if navigation aids permit frequent position updating).
✓
B
2 minutes.
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C
30 seconds.
✓
D
45 minutes.
✓
QUESTION 22 / 25
What is the 'Mach Number Technique' used in Area Control Centers to maintain longitudinal separation between jet aircraft on identical tracks?
Choose one answer below.
A
Aircraft are assigned specific True Mach Numbers to maintain constant relative spacing, preventing the trailing aircraft from overtaking the leading aircraft.
✓
B
Aircraft fly at maximum available Mach speed at all times.
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C
Controllers calculate Mach shockwave angles.
✓
D
Aircraft fly in supersonic formation.
✓
QUESTION 23 / 25
Under ICAO procedural control rules, what angular divergence is required between two departing VOR tracks to establish lateral separation immediately after takeoff?
Choose one answer below.
A
At least 45 degrees track divergence, provided both aircraft are navigating by direct reference to the same VOR facility.
✓
B
At least 15 degrees track divergence.
✓
C
At least 90 degrees divergence.
✓
D
At least 5 degrees divergence.
✓
QUESTION 24 / 25
Under the current Bolivian PANS-ATM manual, what horizontal surveillance separation applies unless the competent ATS authority has prescribed an authorized reduction?
Choose one answer below.
A
5 NM is the baseline; an authority may prescribe 3 NM where system capability permits, or 2.5 NM for successive aircraft on the same final track within 10 NM only when all listed safeguards are met.
✓
B
1.0 nautical mile.
✓
C
10.0 nautical miles.
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D
500 meters.
✓
QUESTION 25 / 25
Under the current PANS-ATM aerodrome-control rule, when may a tower issue takeoff clearance behind a preceding departure on the same runway?
Choose one answer below.
A
When there is reasonable assurance that the prescribed runway separation will exist when the following aircraft begins takeoff, with wake-turbulence and any authorized reduced-runway-separation rules also satisfied.
✓
B
As soon as the preceding aircraft starts its takeoff roll.
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C
When the preceding aircraft reaches 50 knots groundspeed.
✓
D
Whenever the runway visibility exceeds 10 km.
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