Final nav 3 reviewer
Navigational Knowledge Quiz
Test your understanding of maritime navigation with our comprehensive quiz! This quiz covers various topics related to navigation, including chart projections, compass bearings, and voyage planning.
- 52 questions to challenge your knowledge
- Multiple choice format for easy answering
- Perfect for students and professionals in maritime fields
Which of these methods represents parts of the surface of a sphere/spheroid upon a plane surface?
A. Chart Navigation
B. Chart projection
C. Chart cataloging
D. Chart sounding
Which projection has a plane conformal cylindrical projection of a surface of the Earth made on a cylinder tangent along the equator?
A. Cylindrical Projection
B. Conic Projection
C. Mercator Projection
D. Lambert Projection
The maximum distance at which a light can be seen in weather conditions where visibility is ten nautical miles is called _____.
A. Luminous range
B. Nominal range
C. Visible range
D. Geographical range
When should a navigator rely on the position of floating aids to navigation?
A. Only one high and one low water occur during a lunar day
B. During daylight only, the high tide and low tide are precisely six hours apart
C. Only when inside a harbor
D. Only when fixed aids are not availabled. Only when fixed aids are not available
When you are heading on a pair of range lights and find the upper light is vertically inline above the lower light, which of the following statement is TRUE?
A. You should change heading to port
B. You should steady on your present course
C. You should change heading to starboard
D. You should wait until the lights are no longer in a vertical line
In voyage planning, which is the ideal chart covering the entire ocean passage length? U
A. Coastal chart
B. General chart
C. Particular Chart
D. Routeing Chart
When influenced by the Earth's magnetism, where does the "north" end of the magnetic-needle point?
A. Magnetic course
B. Magnetic error
C. Magnetism
D. Magnetic north
When the compass course is greater than true, the error is _____.
A. East
B. West
C. North
D. South
The direction of the compass needle points to the North Magnetic Pole.
True
False, magnetic north
Gyrocompasses are unaffected by ferromagnetic materials, such as the ship's steel hull. This metallic property of the ship changes the magnetic field acting on the Compass.
True
False, gyro compass is affected
Periodically, the gyrocompass is checked against the magnetic Compass to correct any error it might pick up.
True
False, magnetic compass is checked against the gyro compass
When two well-charted objects are in transit, a magnetic bearing is taken.
True
False, compass bearing
International Association of Lighthouse Authorities is a non-government body that brings together representatives from the aids to navigation services of various countries to exchange information and recommend improvements.
True
False, its government
Collision Regulation (COLREG) is one of the most critical maritime conventions dealing with the safety of seafarers at sea and listing requirements for all merchant ships to comply with the minimum safety norms.
True
False, SOLAS
After you update the chart, you always put the NM update number on the bottom right corner of the chart.
True
False, bottom left corner
You may use correction fluid when making a mistake on an Admiralty Standard Nautical Chart.
True
False, never use correction fluid
Sailing Directions (Pilots)
Support port entry and coastal navigation for all classes of ships at sea
Helping bridge crews to manage communications and comply with all reporting regulations throughout a voyage.
Provide bridge crews with the latest safety-critical navigational information updated weekly.
Support bridge crews in routine and emergency celestial navigation, as well as the calculation of daylight hours and mandatory gyro checks
List of Radio Signals
Maintains a recording of the opening and closing of water-tight doors, closing, and opening in hulls and water-tight bulkheads
Helping bridge crews to manage communications and comply with all reporting regulations throughout a voyage.
Records distress signals, safety traffic communication in the position of the ship at least once a day
Record various data, scenarios, and situations (including emergency situations and actions which are later used for reference, case study, and for insurance purposes in case of damage to the ship or loss of ship’s property
Notices to Mariners
Improves the safety of navigation in converging areas and in areas where the density of traffic is great or where freedom of movement of shipping is inhibited
Support bridge crews in routine and emergency celestial navigation, as well as the calculation of daylight hours and mandatory gyro checks
Records distress signals, safety traffic communication in the position of the ship at least once a day
Provide bridge crews with the latest safety-critical navigational information updated weekly.
The Nautical Almanac
Support port entry and coastal navigation for all classes of ships at sea
Maintains a recording of the opening and closing of water-tight doors, closing, and opening in hulls and water-tight bulkheads
Support bridge crews in routine and emergency celestial navigation, as well as the calculation of daylight hours and mandatory gyro checks
Records distress signals, safety traffic communication in the position of the ship at least once a day
Ship Routeing
Improves the safety of navigation in converging areas and in areas where the density of traffic is great or where freedom of movement of shipping is inhibited
Maintains a recording of the opening and closing of water-tight doors, closing, and opening in hulls and water-tight bulkheads
Record various data, scenarios, and situations (including emergency situations and actions which are later used for reference, case study, and for insurance purposes in case of damage to the ship or loss of ship’s property
Records distress signals, safety traffic communication in the position of the ship at least once a day
Official Logbook
Support port entry and coastal navigation for all classes of ships at sea
Maintains a recording of the opening and closing of water-tight doors, closing, and opening in hulls and water-tight bulkheads
Support bridge crews in routine and emergency celestial navigation, as well as the calculation of daylight hours and mandatory gyro checks
Provide bridge crews with the latest safety-critical navigational information updated weekly.
Deck Logbook
Record various data, scenarios, and situations (including emergency situations and actions which are later used for reference, case study, and for insurance purposes in case of damage to the ship or loss of ship’s property
Records distress signals, safety traffic communication in the position of the ship at least once a day
Provide bridge crews with the latest safety-critical navigational information updated weekly.
Helping bridge crews to manage communications and comply with all reporting regulations throughout a voyage.
GMDSS Logbook
Records distress signals, safety traffic communication in the position of the ship at least once a day
Maintains a recording of the opening and closing of water-tight doors, closing, and opening in hulls and water-tight bulkheads
Support bridge crews in routine and emergency celestial navigation, as well as the calculation of daylight hours and mandatory gyro checks
Provide bridge crews with the latest safety-critical navigational information updated weekly.
What is appraisal?
Gather all information related to the voyage.
Layout the voyage.
Execute, review, change if required.
Monitor the passage plan by all available resources.
What is planning?
Gather all information related to the voyage.
Layout the voyage.
Execute, review, change if required.
Monitor the passage plan by all available resources.
What is execution?
Gather all information related to the voyage.
Layout the voyage.
Execute, review, change if required.
Monitor the passage plan by all available resources.
What is monitoring?
Gather all information related to the voyage.
Layout the voyage.
Execute, review, change if required.
Monitor the passage plan by all available resources.
From 1500 hrs, a ship sails at 6 knots steering a course of 230°T. A current is setting 120° at a rate of 1.4 knots. In addition, a 10° leeway is experienced. Determine by plotting the following: What is the distance covered at DR position at 1630 HRS?
A. 06.0 nm
B. 03.0 nm
C. 12.0 nm
D. 09.0 nm
From 1500 hrs, a ship sails at 6 knots steering a course of 230°T. A current is setting 120° at a rate of 1.4 knots. In addition, a 10° leeway is experienced. Determine by plotting the following: What is the distance covered for 30 mins. DR position at 1600 HRS?
A. 06.0 nm
B. 03.0 nm
C. 12.0 nm
D. 09.0 nm
From 1500 hrs, a ship sails at 6 knots steering a course of 230°T. A current is setting 120° at a rate of 1.4 knots. In addition, a 10° leeway is experienced. Determine by plotting the following: What is the distance covered as a result of wind and current at EP 1630HRS?
A. 02.1 nm
B. 01.4 nm
C. 01.5 nm
D. 03.0 nm
From 1500 hrs, a ship sails at 6 knots steering a course of 230°T. A current is setting 120° at a rate of 1.4 knots. In addition, a 10° leeway is experienced. Determine by plotting the following: What is the Speed Made Good for 1.5 HRS and distance of 9’nm
A. 03.0 kts
B. 09.0 kts
C. 01.4 kts
D. 06.0 kts
Solving by Great Circle Sailing. Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Solve for the difference of longitude (Dlo)
A. 087° 53.0' W
B. 087° 53.0' E
C. 097° 57.0' E
D. 097° 57.0' W
Solving by Great Circle Sailing . Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Solve for Great Circle distance
A. GCD = 4374 miles
B. GCD = 4573 miles
C. GCD = 4743 miles
D. GCD = 4473 miles
Solving by Great Circle Sailing . Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Solve for Latitude of the Vertex
A. Lat = 48°36’52” S
B. Lat = 48°35’52” N
C. Lat = 48°37’52” N
D. Lat = 48°34’52” S
Solving by Great Circle Sailing .Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Solve for Longitude of the Vertex
A. Long = 169°13’50” W
B. Long = 169°13’50” E
C. Long = 168°14’50” E
D. Long = 168°14’50” W
Solving by Great Circle . Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Solve for Initial Course
A. IC = 053.4°
B. IC = 054.3°
C. IC = 034.5°
D. IC = 045.3°
Solving by Great Circle Sailing . Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Solve for the Final Course
A. FC = 124.2°
B. FC = 121.2°
C. FC = 122.2°
D. FC = 123.2°
Composite Sailing . Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. Solve for Latitude of the Vertex 1
A. Lat = 41°00.00’ S
B. Lat = 40°00.00’ N
C. Lat = 41°00.00’ N
D. Lat = 40°00.00’ S
Composite Sailing . Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. Solve for Longtitude of the Vertex 1
A. Long = 170° 36’ 03” E
B. Long = 171° 36’ 03” W
C. Long = 170° 36’ 03” W
D. Long = 171° 36’ 03” E
Composite Sailing . Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. Solve for latitude of the Vertex 2
A. Lat = 41°00.00’ S
B. Lat = 40°00.00’ S
C. Lat = 40°00.00’ N
D. Lat = 41°00.00’ N
Composite Sailing . Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. Solve for longtitude of the Vertex 2
A. Long = 145° 46’ 37” E
B. Long = 144° 46’ 37” W
C. Long = 144° 46’ 37” E
D. Long = 145° 46’ 37” W
Composite Sailing . Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. Solve for total distance
A. Total Distance = 4687.5 nm
B. Total Distance = 4487.5 nm
C. Total Distance = 4743.5 nm
D. Total Distance = 4587.5 nm
Parallel sailing. Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. Solve for the DLo
A. Dlo = 42°37’20” E
B. Dlo = 42°37’20” W
C. Dlo = 43°37’20” E
D. Dlo = 43°37’20” W
Parallel sailing. Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. Solve for the parallel distance
A. Total Distance = 2004 nm
B. Total Distance = 2006 nm
C. Total Distance = 2003 nm
D. Total Distance = 2005 nm
Mercator sailing. Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. Solve for the difference in latitude (DLAT)
A. DLAT = 2°21’30” S
B. DLAT = 2°21’30” N
C. DLAT = 4°21’30” S
D. DLAT = 4°21’30” N
Mercator sailing. Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. Solve for the difference in longitude (Dlo)
A. Dlo = 97°57’ E
B. Dlo = 97°57’ W
C. Dlo = 98°56’ W
D. Dlo = 98°56’ E
Solve for Meridional Parts in each latitude and the difference in meridional parts (DMP).. Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. What is the value of MP1?
A. 2362.9
B. 2263.9
C. 2563.9
D. 2964.9
Solve for Meridional Parts in each latitude and the difference in meridional parts (DMP).. Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. What is the value of MP2?
A. 2439.5
B. 2349.5
C. 2943.5
D. 2594.3
Solve for Meridional Parts in each latitude and the difference in meridional parts (DMP).. Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. What is the value of DMP?
A. 185.6
B. 157.6
C. 165.6
D. 175.6
Mercator sailing. Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. Solve for the course
A. Course = S 88.3° E / 091.7° T
B. Course = N 88.3° E / 088.3° T
C. Course = S 88.3° W / 268.3° T
D. Course = N 88.3° W / 271.7° T
Mercator sailing. Your ship departs Yokohama, Japan from position Lat. 35° 27' N; Long. 139° 39' E bound for San Francisco, California, USA. At position Lat. 37° 48.5' N, Long. 122° 24' W. Given the problem above, if there is a limiting latitude of 40° N. Solve for the distance
A. Total Distance = 4817.5 nm
B. Total Distance = 4287.5 nm
C. Total Distance = 4638.5 nm
D. Total Distance = 4718.5 nm
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