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Key Facts: BR-ANAC-PBL Exam

70%

Passing Score

ANAC / RBAC 61

100 MCQs

Exam Bank Size

5 papers of 20 questions

30 min

Time per Paper

FGV Test Centers

RBAC 61 / 91

Governing Regulations

ANAC Brazil

This bank provides 100 English-language practice questions adapted for the official ANAC Free Balloon Pilot (Piloto de Balão Livre - PBL) theoretical exam in Brazil under RBAC 61 and RBAC 91 regulations.

Sample BR-ANAC-PBL Practice Questions

Try these sample questions to review concepts for the BR-ANAC-PBL exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Under Brazilian Civil Aviation Regulation RBAC 61, what is the minimum age requirement to be eligible for the issuance of a Free Balloon Pilot (Piloto de Balão Livre - PBL) license?
A.18 years old
B.16 years old
C.21 years old
D.17 years old with parental consent
Explanation: According to ANAC RBAC 61.203, an applicant for a Free Balloon Pilot (PBL) license must be at least 18 years of age and hold a high school completion certificate (Ensino Médio completo). Candidates younger than 18 cannot be issued a PBL license regardless of parental consent.
2According to RBAC 91 Right-of-Way rules, which aircraft type has the highest priority over all other engine-driven aircraft in flight?
A.Free balloons
B.Airships
C.Gliders
D.Towing aircraft
Explanation: Under RBAC 91.113, a free balloon has the right-of-way over all other engine-driven aircraft, gliders, and airships because a balloon lacks horizontal steerability and mechanical propulsion.
3Which physical law states that, at constant pressure, the volume of a given mass of gas is directly proportional to its absolute temperature?
A.Charles's Law
B.Boyle's Law
C.Bernoulli's Principle
D.Pascal's Principle
Explanation: Charles's Law states that V1/T1 = V2/T2 at constant pressure. Heating the air inside a balloon envelope increases its temperature and causes it to expand, reducing its density relative to ambient air.
4What fundamental aerostatic principle explains why a hot-air balloon experiences upward buoyant force equal to the weight of the air it displaces?
A.Archimedes' Principle
B.Newton's Third Law of Motion
C.Dalton's Law of Partial Pressures
D.Venturi Effect
Explanation: Archimedes' Principle states that any body completely or partially submerged in a fluid experiences an upward buoyant force equal to the weight of the fluid displaced by the body. Heating envelope air makes it less dense than the displaced ambient air.
5Which liquefied petroleum fuel is predominantly used in modern hot-air balloon burner systems due to its high vapor pressure at low temperatures?
A.Propane (C3H8)
B.Butane (C4H10)
C.Aviation Gasoline (AVGAS 100LL)
D.Kerosene (Jet A-1)
Explanation: Commercial hot-air balloons use liquid propane because it has a low boiling point (-42°C / -44°F) and maintains sufficient vapor pressure to supply burners even in cold weather conditions.
6What fire-resistant synthetic material is mandatory for the lower skirt or scoop near the burner assembly of a hot-air balloon envelope?
A.Nomex
B.Standard Ripstop Nylon
C.Polyethylene
D.Dacron Polyester
Explanation: Nomex is an aramid heat and flame-resistant synthetic fabric installed at the envelope mouth (skirt or scoop) to withstand direct exposure to burner flames without melting or catching fire.
7What is the primary function of the parachute valve located at the crown of a hot-air balloon envelope during normal flight?
A.Allow controlled release of hot air to initiate or increase rate of descent
B.Seal the bottom of the envelope to prevent cold air entry
C.Automatically vent gas when internal pressure exceeds atmospheric pressure
D.Rotate the basket sideways during landing preparation
Explanation: The parachute valve (top cap) is held closed by internal hot-air pressure and velcro tabs. Pulling the control line opens the valve to vent hot air from the crown, allowing controlled descents and level-flight adjustments.
8How is horizontal directional steering accomplished during a free balloon flight?
A.By ascending or descending into different altitude levels with varying wind vectors
B.By deflecting a vertical fabric rudder attached to the envelope crown line
C.By altering burner thrust angles relative to the basket frame
D.By deploying trailing drag ropes from the side of the basket
Explanation: Balloons have no mechanical horizontal steering. Pilots achieve directional navigation by ascending or descending into different air currents (wind directions) created by atmospheric pressure gradients and friction wind shear.
9What atmospheric phenomenon is defined as an increase in air temperature with increasing altitude?
A.Temperature inversion
B.Adiabatic lapse rate
C.Thermal updraft
D.Microburst
Explanation: A temperature inversion occurs when temperature increases with height rather than decreasing at the normal lapse rate. Inversions frequently form overnight near the ground due to radiational cooling.
10Under RBAC 91 VFR rules in uncontrolled airspace (Class G) below 10,000 ft MSL, what is the minimum flight visibility required for free balloon flight during daylight?
A.5 km
B.1.5 km
C.8 km
D.10 km
Explanation: Under RBAC 91 and DECEA ICA 100-12 rules in Class G airspace below 10,000 ft MSL, VFR balloon operations require a minimum flight visibility of 5 km (or 3 km under specific low-speed local exemptions in uncontrolled airspace). Standard VFR visibility requirement across Brazilian FIRs is 5 km.

About the BR-ANAC-PBL Exam

Prepare for the ANAC Free Balloon Pilot (Piloto de Balão Livre - PBL) exam with 100 free practice questions on RBAC 61/91 regulations, aerostatics, micro-meteorology, LPG propane systems, and VFR balloon navigation. English adaptation for the official Brazilian ANAC examination. English-language MCQ study adaptation of the official Portuguese ANAC theoretical exam.

Exam sponsor: National Civil Aviation Agency of Brazil (ANAC). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

100 questions

Time Limit

180 minutes (REG 30 + MET 30 + NAV 60 + TV 30 + CTA 30)

Passing Score

70% per subject paper

Exam / Certification Fees

TFAC R$ 250 (duration band 2h31–3h05)

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

25%

Core Regulations and Air Law

RBAC regulations, airspace rules, and aeronautical standards.

25%

Technical Knowledge and Systems

Aircraft systems, flight mechanics, and operational technical principles.

25%

Aviation Meteorology and Weather

METAR/TAF decoding, atmospheric stability, and weather hazards.

25%

Flight Operations and Navigation

Operational planning, flight safety, and navigation principles.

Preparing for the BR-ANAC-PBL Exam

What You Need to Know

  • Passing score: 70% per subject paper
  • Exam length: 100 questions
  • Time limit: 180 minutes (REG 30 + MET 30 + NAV 60 + TV 30 + CTA 30)
  • Exam / certification fees: TFAC R$ 250 (duration band 2h31–3h05) Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Frequently Asked Questions

What is covered on the ANAC BR-ANAC-PBL exam?

The exam tests aeronautical regulations, technical knowledge, flight safety, and operational procedures for BR-ANAC-PBL.

What is the passing score for the ANAC BR-ANAC-PBL exam?

Candidates must achieve a minimum score of 70% on each subject paper.