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100+ Free Brunei DCA CPL(A) General Navigation Practice Questions

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Sample Brunei DCA CPL(A) General Navigation Practice Questions

Try these sample questions to test your Brunei DCA CPL(A) General Navigation exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which geometric shape best describes the true physical shape of the Earth used in aeronautical navigation?
A.A perfect sphere
B.An oblate spheroid
C.A prolate spheroid
D.A triaxial ellipsoid
Explanation: The Earth is slightly flattened at the poles and bulges at the equator due to centrifugal force from rotation, making its true geometric representation an oblate spheroid. The equatorial diameter is approximately 23 nautical miles (43 km) larger than the polar diameter.
2What is the defining characteristic of a Great Circle line on the Earth's surface?
A.It cuts all meridians at the same constant angle
B.It is a circle whose plane passes through the centre of the Earth
C.It is a line connecting points of equal magnetic variation
D.It is always a straight line on a Direct Mercator chart projection
Explanation: A Great Circle is formed by the intersection of the Earth's surface with a plane passing through the Earth's centre. It represents the shortest distance between any two points on a spherical surface.
3By international convention in navigation, one nautical mile (1 NM) is defined as equivalent to:
A.One minute of arc measured along any meridian
B.One minute of arc measured along any parallel of latitude
C.One degree of arc measured along the equator
D.One second of arc measured along the Prime Meridian
Explanation: One nautical mile is defined as the length of arc along a meridian corresponding to one minute of latitude (1' of latitude = 1 NM). Because meridians are Great Circles, 1' along a meridian maintains a consistent distance.
4Earth convergency between any two meridians is defined as the angle between:
A.The Great Circle track and the Rhumb Line track at the midpoint
B.The tangents to the meridians at their points of intersection with a parallel of latitude
C.The magnetic meridian and true meridian at a given position
D.The grid north reference and true north reference
Explanation: Earth convergency is the angle formed between two meridians at a specified latitude. It increases from zero at the equator to equal the difference in longitude at the geographic poles.
5Assuming a spherical Earth model, what is the approximate circumference of the Earth along the Equator?
A.10,800 NM
B.21,600 NM
C.40,000 NM
D.24,901 NM
Explanation: The Earth's circumference spans 360 degrees of arc, with each degree containing 60 nautical miles. Calculating 360 degrees multiplied by 60 minutes/degree yields 21,600 nautical miles.
6An aircraft flies due East along latitude 60°N from longitude 010°E to longitude 020°E. Calculate the departure (distance flown) in nautical miles.
A.600 NM
B.519 NM
C.300 NM
D.150 NM
Explanation: Departure is calculated using the formula: Departure (NM) = Change of Longitude (minutes) x cos(Latitude). The change of longitude is 10° = 600 minutes. Calculating 600 x cos(60°) = 600 x 0.5 = 300 NM.
7Calculate the Earth convergency between longitude 010°E and longitude 030°E at a mean latitude of 30°N.
A.20°
B.15°
C.10°
D.5°
Explanation: Earth convergency is calculated using the formula: Convergency = Change of Longitude x sin(Mean Latitude). Here, Change of Longitude = 20°, so Convergency = 20° x sin(30°) = 20° x 0.5 = 10°.
8If the Earth convergency between two positions is determined to be 12°, what is the corresponding conversion angle?
A.24°
B.12°
C.6°
D.3°
Explanation: Conversion angle is defined as half of the Earth convergency: Conversion Angle = 0.5 x Convergency. Given a convergency of 12°, the conversion angle is 12° / 2 = 6°.
9An aircraft in the Northern Hemisphere plans a flight directly East from Point A to Point B along a parallel of latitude. How does the initial Great Circle track compare to the Rhumb Line track (090°T)?
A.The initial Great Circle track is less than 090°T (points toward the equator)
B.The initial Great Circle track is less than 090°T (points toward the north pole)
C.The initial Great Circle track is greater than 090°T (points toward the south pole)
D.The initial Great Circle track is identical to 090°T throughout
Explanation: In the Northern Hemisphere, Great Circles curve toward the North Pole relative to rhumb lines. For an eastbound route along a parallel of latitude, the initial Great Circle track leaves north of East (less than 090°T, e.g., 082°T).
10Calculate the departure along latitude 45°S between longitude 170°E and longitude 170°W.
A.1,200 NM
B.849 NM
C.600 NM
D.424 NM
Explanation: The change of longitude crossing the 180th meridian from 170°E to 170°W is 10° + 10° = 20° = 1,200 minutes. Departure = Change of Longitude (min) x cos(Latitude) = 1,200 x cos(45°) = 1,200 x 0.7071 = 848.5 NM (rounded to 849 NM).

About the Brunei DCA CPL(A) General Navigation Exam

The Brunei DCA CPL(A) General Navigation examination evaluates a commercial pilot candidate's practical and theoretical navigation skills. Topics include earth geometry, chart projections (Lambert, Mercator, Polar Stereographic), dead reckoning, 1-in-60 rule corrections, wind velocity triangle solutions, airspeed calibration (CAS to TAS), solar time, and fuel/point-of-equal-time flight planning. OpenExamPrep provides an English-language multiple-choice study bank at this practice URL; it is a study adaptation for BAR 1 Part-FCL theoretical knowledge, not an official DCA paper, translation, or format simulation. A separate CPL(A) skill test and Class 1 medical are also required for licence issue.

Assessment

Written or computer-based multiple-choice theoretical knowledge examination in subject 061 — General Navigation for the Brunei DCA CPL(A) under BAR 1 Part-FCL FCL.310. Official paper: 45 questions in 90 minutes; pass mark 75% with no penalty marking (FCL.025). Official item count and duration follow AMC1 ARA.FCL.300(b) CPL(A) examination tables. Brunei BAR 1 Part-FCL AMC directs professional theoretical examination length and question distribution to ARA.FCL.300(b) under Brunei's EASA-based aircrew framework. Confirm any DCA-published national variants with Personnel Licensing before booking.

Time Limit

90 minutes

Passing Score

75%

Exam Fee

Contact DCA Brunei Personnel Licensing / Approved Training Organisation (ATO) for the current examination fee schedule (not published as a fixed public tariff in BAR 1). (Department of Civil Aviation (DCA), Brunei Darussalam)

Brunei DCA CPL(A) General Navigation Exam Content Outline

20%

Earth and Grid Navigation

Form of the earth, latitude/longitude, great circles, rhumb lines, convergency, departure, and grid navigation.

25%

Aeronautical Charts and Projections

Lambert conic, Mercator, polar stereographic projections, chart scale, scale calculations, and distance measurement.

20%

Dead Reckoning Navigation

1-in-60 rule, track error, opening and closing angles, track correction, and dead reckoning.

20%

Wind Triangle and Airspeed Calculations

Wind triangles, heading, groundspeed, TAS, CAS, density altitude, drift angle, and W/V vectors.

15%

Time, Speed, Distance, and Solar Navigation

Time/speed/distance, PET, PSR, fuel burn, sunrise/sunset, UTC, and LMT conversions.

How to Pass the Brunei DCA CPL(A) General Navigation Exam

What You Need to Know

  • Passing score: 75%
  • Assessment: Written or computer-based multiple-choice theoretical knowledge examination in subject 061 — General Navigation for the Brunei DCA CPL(A) under BAR 1 Part-FCL FCL.310. Official paper: 45 questions in 90 minutes; pass mark 75% with no penalty marking (FCL.025). Official item count and duration follow AMC1 ARA.FCL.300(b) CPL(A) examination tables. Brunei BAR 1 Part-FCL AMC directs professional theoretical examination length and question distribution to ARA.FCL.300(b) under Brunei's EASA-based aircrew framework. Confirm any DCA-published national variants with Personnel Licensing before booking.
  • Time limit: 90 minutes
  • Exam fee: Contact DCA Brunei Personnel Licensing / Approved Training Organisation (ATO) for the current examination fee schedule (not published as a fixed public tariff in BAR 1).

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

Brunei DCA CPL(A) General Navigation Study Tips from Top Performers

1Master the 1-in-60 rule formulas (Track Error = Distance Off * 60 / Distance Flown) for quick mental and written calculations.
2Practice using your navigation computer (CRP-5/E6B) for wind velocity triangles, CAS to TAS conversions, and density altitude calculations.
3Memorize key formulas for chart scale (Scale = Chart Distance / Earth Distance), departure (Departure = Change of Longitude in minutes * cos(Latitude)), and convergency (Convergency = Change of Longitude * sin(Mean Latitude)).

Frequently Asked Questions

How many questions and how much time are allowed for the official Brunei DCA CPL(A) General Navigation paper?

The official paper uses 45 multiple-choice questions in 90 minutes under AMC1 ARA.FCL.300(b) CPL(A) examination procedures referenced by Brunei BAR 1 Part-FCL AMC. Pass mark is 75%.

What is the pass mark for the Brunei DCA CPL(A) General Navigation exam?

BAR 1 Part-FCL FCL.025 awards a pass for at least 75% of the marks on a theoretical knowledge examination paper, with no penalty marking.

What tools are allowed during the Brunei DCA CPL(A) General Navigation examination?

Candidates are typically allowed an approved navigation computer (such as a CRP-5 or E6B), a non-programmable scientific calculator, protractor, and navigation dividers.

What types of calculation questions appear on the General Navigation paper?

The official Brunei DCA CPL(A) paper for 061 — General Navigation is a written or computer-based multiple-choice examination with 45 questions and a time limit of 90 minutes. Pass mark is 75% (BAR 1 Part-FCL FCL.025). Official item count and duration follow AMC1 ARA.FCL.300(b) CPL(A) examination tables. Brunei BAR 1 Part-FCL AMC directs professional theoretical examination length and question distribution to ARA.FCL.300(b) under Brunei's EASA-based aircrew framework. Confirm any DCA-published national variants with Personnel Licensing before booking. This OpenExamPrep bank is an English-language MCQ study aid, not the official paper.

In what language is the Brunei DCA CPL(A) theoretical examination conducted?

BAR 1 Part-FCL AMC states that Brunei DCA informs applicants of the examination language(s). BAR texts and licensing forms are published in English. This OpenExamPrep bank is an English-language MCQ study adaptation, not an official translation or paper simulation.