WorksheetsCPL Nav Progress Test 01
Total questions: 20
Worksheet time: 2hrs 40mins
What is a GREAT CIRCLE?
a regularly curved line on the surface of the earth which cuts through all meridians at the same angle
the shortest and most convenient route over distances of less than lOOO nm
represented as a line concave to the nearest pole on a mercator chart projection
a circle whose centre and radius are the same as that of the earth
Which of the following is a small circle?
parallels, other than the Equator
parallels, including the Equator
meridians of longitude
Produce a TRUE statement by inserting the correct set of words into this text
“The earth rotates in a/an (i) _______ direction when viewed from above the North Pole and this direction is defined as (ii) _________ “
(i) anti clockwise (ii) East
(i) anti clockwise (ii) West
(i) clockwise (ii) East
(i) clockwise (ii) West
What is CONVERGENCE?
the reducing distance between meridians at higher latitudes
the changing angle between great circle tracks and meridians
the curve of a rhumb line as it approaches the pole
The increasing curvature experienced when navigating on a great circle track
What is a NAUTICAL MILE?
the length of the arc of a great circle which subtends an angle of one degree at the earth's center
length measure equivalent to 5280 meters
the length of one sixtieth part of an arc of one degree at the earth's center of a great circle
length measure exactly equal to 6070 meters
What is the Magnetic Heading of an aircraft in the following circumstance?
VARIATION is 22°E, and
the RELATIVE Bearing of an object from the aircraft is 030°, and
the TRUE Bearing of the same object is 268°T
036°M
078°M
216°M
222°M
What is the value of VARIATION in the following circumstance?
the MAGNETIC Bearing of an object from the aircraft is 040°M, and
the RELATIVE Bearing of an object from the aircraft is 350°R, and
the TRUE Heading of the aircraft is 060°T
15°W
10°E
15°E
10°W
What is the value of 1° of latitude?
1 nm
60 nm
1 minute of meridianal arc
24 nm
Produce a TRUE statement by inserting the correct set of words into this text
“The difference between True North and Magnetic North is called (i) _______ and it (ii) _________ “
(i) variation (ii) remains the same around the globe
(i) deviation (ii) varies around the globe
(i) variation (ii) varies around the globe
(i) deviation (ii) remains the same around the globe
Determine linear orientation expressed as degrees True, given 270°C, deviation of 4°W’ and variation of 22°E
288°T
296°T
252°T
270°T
What is the relative bearing of Hokitika from your position given you are tracking directly to Hokitika and are allowing for 7°R drift?
cannot be determined
007°R
353°R
187°R
What is the volumetric equivalent to 85 US Gallons expressed as litres?
315 litres
322 litres
345 litres
330 litres
What is equivalent length of 27 km expressed nautical mile length?
10.2 nm
14.6 nm
35.5 nm
13.2 nm
What is the relative bearing of Wellington from your aircraft given you are tracking directly to Wellington and are allowing for 13° Left drift?
cannot be determined
013°R
347°R
167°R
What is a RHUMB LINE?
a line that intersects all meridians at the same angle
the shortest distance between two points
the graphical representation of the arc of a great circle drawn on the earth’s surface
a line that intersects all lines of latitude at the same angle
Produce a TRUE statement by inserting the correct set of words into this text
“Variation is _________ “
constant everywhere on earth
used to calculate the difference between True and Magnetic Direction
the difference between Compass and Magnetic Direction
never used in navigation
What is COMPASS Bearing given
VARIATION is 12°E, and
DEVIATION is 2°W, and
the RELATIVE Bearing of an object from the aircraft is 350°R, and
the TRUE Bearing of an aircraft is 082°T
cannot be determined
075°M
072°C
070°C
Produce a TRUE statement by inserting the correct set of words into this text
“Meridians of longitude are _________ “
perpendicular to each other
lines joining the true geographic poles
parallel to each other
lines joining points of equal latitude
What name is used to describe a line on a chart joining places of equal variation?
an isobar
an isotach
an isograph
an isogonal
What word or phrase is used to describe the value of the angular interference from aircraft components that causes an altered reading to a magnetic compass?
compass swing
deviation
alteration
variation
