Navigation Flashcards
Which statement is true? Select the most complete answer.
1- The earth rotates around its spin axis from west to east
2- All answers are correct
3- When viewing the earth from the north pole side, the direction of the earth’s rotation is anticlockwise
4- The ecliptic plane is not aligned with the equatorial plane
All answers are correct
What is the approximate length of an equatorial circumference of the Earth?
1- 40,075 km
2- 38,639 km
3- 22,000 NM
4- 21,500 NM
40,075 km
What is the shortest distance between 2 points on the earth’s surface called? Select the most complete answer.
1- A rhumb line track
2- A great circle track
3- A loxodrome track
4- All answers are correct
A great circle track
What is the approximate angle between the ecliptic plane and equatorial plane?
1- 23,5°
2- 22,5°
3- 33,5°
4- 0°
23,5°
What is a great circle?
1- The largest circle that can be plotted onto the earth’s surface
2- Any circle concentric with the earth, the radius of which is equal to the radius of the earth
3- Any circle that can be plotted onto the earth’s surface which is parallel to the equator
4- Any circle that can be plotted onto the earth’s surface which is parallel to a meridian
Any circle concentric with the earth, the radius of which is equal to the radius of the earth
At which latitude in March is the civil twilight the longest?
60°
45°
30°
0°
60°
What does the local mean time depend on? Select the most complete answer.
1- The time zone
2- All answers are correct
3- The UTC
4- The longitude
The longitude
What does the sunset and sunrise time depend on?
1- The longitude only
2- The latitude only
3- The latitude and the longitude
4- The season only
The latitude and the longitude
What path does the sun move along on the sky during the morning civil twilight?
1- From 0° to 6° 50′
2- From 6° 50′ to 0°
3- From 6° to 50′
4- From 50′ to 6°
From 50′ to 6°
Which statement is true?
1- The international date line at least partially coincides with the anti-meridian
2- The international date line at least partially coincides with the prime meridian
3- If the international date line is crossed from west to east, the date decreases
4- When the solar noon is over the anti-meridian, there is the same date in all locations around the world
The international date line at least partially coincides with the anti-meridian
What will be the value of the magnetic course if the True Course (TC) is 221° and the declination (∆M) is 7°W?
228°
214°
207°
232°
228°
MC = TC +/- M
Minus going E
Plus going W
Determining the course using the map, we obtain:
1- True Course (TC)
2- Magnetic Course (MC)
3- True Heading (TH)
4- Magnetic Heading (MH)
True Course (TC)
What is the value of the inclination at the equator?
0°
90°
60°
45°
0°
Dip (inclination) is:
-0 at the equator
-90 at the poles
What will be the value of the magnetic course if the True Course (TC) is 176° and the declination (∆M) is 6°E?
170°
182°
168°
188°
170°
MC = TC +/- M
Minus going E
Plus going W
What kind of navigational aid is a river?
1- linear
2- area
3- point
4- radio aid
linear
Which course do we get from the map with a protractor?
1- True Course (TC)
2- Magnetic Course (MC)
3- Magnetic Heading (MH)
4- True Heading (TH)
True Course (TC)
What does AIP AMDT section contains?
1- supplements
2- general information
3- enroute information
4- ammendments
ammendments
At what angle must the parallels and meridians intersect on the map according to the requirements imposed by ICAO Annex 4?
90°
45°
60°
none of the answers is correct
90°
Lambert’s projection is a modified projection of the projection.
1- cylindrical
2- conical
3- azimuthal
4- planar
conical
Lambert projection has ____ standard parallels, and conical projection has ____ .
-2 / 4
-1 / 2
-4 / 2
-2 / 1
2 / 1
DME reading is a ______ .
1- slant range
2- vertical range
3- horizontal range
4- none of the answers is correct
slant range
Which Q code is used to determine the true course from the station?
QTE
QDR
QDM
QUJ
QTE
Real Men Eat Jelly
Magnetic ….. From/To
True
Which of the following systems share the fame frequency bands?
1- VOR and ILS
2- VOR and DME
3- VOR and ADF
4- ADF and DME
VOR and ILS
Which Q code is used to determine the magnetic course to the station?
QDM
QUJ
QTE
QDR
QDM
Real Men Eat Jelly
Magnetic ….. From/To
True
Which Q code is used to determine the magnetic course from the station?
QDM
QUJ
QDR
QTE
QDR
Real Men Eat Jelly
Magnetic ….. From/To
True
The centrifugal force acting on the earth has ___ the sun’s gravitational force, and points ____ the earth’s orbit.
1- the same direction as; towards
2- the opposite direction to; outside of
3- the opposite direction to; towards
4- the same direction as; outside of
the opposite direction to; outside of
Which statement is true? Select the most complete answer.
1- The earth rotates around its spin axis from west to east
2- All answers are correct
3- When viewing the earth from the north pole side, the direction of the earth’s rotation is anticlockwise
4- The ecliptic plane is not aligned with the equatorial plane
All answers are correct
With reference to great circles, which sentence is true?
1- A great circle track is not always the shortest distance between 2 points
2- All great circles lay half on the northern, and half on the southern hemisphere
3- Every meridian is a great circle
4- Any 2 points can be linked by only 1 great circle
Every meridian is a great circle
What path does the sun move along on the sky during the morning civil twilight?
From 0° to 6° 50′
From 6° 50′ to 0°
From 6° to 50′
From 50′ to 6°
From 50′ to 6°
At which latitude in March is the civil twilight the longest?
60°
45°
30°
0°
60°
Which statement is true?
1- The international date line at least partially coincides with the anti-meridian
2- The international date line at least partially coincides with the prime meridian
3- If the international date line is crossed from west to east, the date decreases
4- When the solar noon is over the anti-meridian, there is the same date in all locations around the world
The international date line at least partially coincides with the anti-meridian
For two points located at different longitudes local mean time ______ and standard time _____ .
1- must differ; must differ
2- can be the same; can be the same
3- must differ; can be the same
4- can be the same; must differ
must differ; can be the same
What is the name of the line connecting points with equal declination values?
1- isogonic line
2- deviation line
3- declination line
4- inclination line
isogonic line
Determining the course using the map, we obtain:
1- True Course (TC)
2- Magnetic Course (MC)
3- True Heading (TH)
4- Magnetic Heading (MH)
True Course (TC)
Declination is:
1- the line connecting points of equal inclinations
2- the angle between the geographic meridian and the magnetic meridian
3- the angle between the compass meridian and the magnetic meridian
4- the angle between the Earth’s magnetic vector and the plane tangent to its surface
the angle between the geographic meridian and the magnetic meridian
Which course do we get from the map with a protractor?
1- True Course (TC)
2- Magnetic Course (MC)
3- Magnetic Heading (MH)
4- True Heading (TH)
True Course (TC)
At what angle must the parallels and meridians intersect on the map according to the requirements imposed by ICAO Annex 4?
90°
45°
60°
none of the answers is correct
90°
The GPS satellite constellation consists of _____ .
24 satellites
12 satellites
6 satellites
4 satellites
24 satellites
What will be the DME indication when we are directly above the station at an altitude of 6000 ft?
1- the indication will be incorrect due to cone of silence
2- 1 NM
3- 10 NM
4- 12 NM
the indication will be incorrect due to cone of silence
The rotational axis of the Earth runs through the… (1,00 P.)
geographic North Pole and on the geographic South Pole.
geographic North Pole and on the magnetic south pole.
magnetic north pole and on the magnetic south pole.
magnetic north pole and on the geographic South Pole.
geographic North Pole and on the geographic South Pole.
Which statement is correct with regard to the polar axis of the Earth? (1,00 P.)
The polar axis of the Earth crosses the geographic South Pole and the geographic North Pole and is perpendicular to the plane of the equator
The polar axis of the Earth crosses the geographic South Pole and the geographic North Pole and is at an angle of 23.5° to the plane of the equator
The polar axis of the Earth crosses the magnetic south pole and the magnetic north pole and is perpendicular to the plane of the equator
The polar axis of the Earth crosses the magnetic south pole and the magnetic north pole and is at an angle of 66.5° to the plane of the equator
The polar axis of the Earth crosses the geographic South Pole and the geographic North Pole and is perpendicular to the plane of the equator
Which approximate, geometrical form describes the shape of the Earth best for navigation systems? (1,00 P.)
Sphere of ecliptical shape
Ellipsoid
Perfect sphere
Flat plate
Ellipsoid
Which statement about a rhumb line is correct? (1,00 P.)
A rhumb line cuts each meridian at the same angle.
The center of a complete cycle of a rhumb line is always the Earth’s center.
The shortest track between two points along the Earth’s surface follows a rhumb line.
A rhumb line is a great circle intersecting the the equator with 45° angle.
A rhumb line cuts each meridian at the same angle.
The shortest distance between two points on Earth is represented by a part of..
a great circle.
a small circle.
a rhumb line.
a parallel of latitude.
a great circle
The circumference of the Earth at the equator is approximately…
10800 km.
40000 NM.
12800 km.
21600 NM.
21600 NM
or 40 000 km
What is the difference in latitude between
A (12°53’30’‘N) and B (07°34’30’‘S)? (1,00 P.)
20°28’00’’
05,19°
20,28°
05°19’00’’
20°28’00’’
Where are the two polar circles? (1,00 P.)
At a latitude of 20.5°S and 20.5°N
23.5° north and south of the poles
23.5° north and south of the equator
20.5° south of the poles
23.5° north and south of the poles
What is the distance between the parallels of latitude 48°N and 49°N along a meridian line? (1,00 P.)
1 NM
60 NM
111 NM
10 NM
60 NM
One nautical mile = one minute of latitude
60 min = 1 degree of latitude
1 degree = 60 NM
What distance corresponds to one degree difference in latitude along any degree of longitude? (1,00 P.)
1 NM
60 NM
30 NM
60 km
60 NM
One nautical mile = one minute of latitude
60 min = 1 degree of latitude
1 degree = 60 NM
Point A on the Earth’s surface lies exactly on the parallel of latitude of 47°50’27’‘N.
Which point is exactly 240 NM north of A?
43°50’27’‘N
53°50’27’‘N
49°50’27’‘N
51°50’27’N’
51°50’27’N
240/60 = 4º
One nautical mile = one minute of latitude
60 min = 1 degree of latitude
1 degree = 60 NM
What is the distance between the two parallels of longitude 150°E and 151°E along the equator? (1,00 P.)
60 km
111 NM
60 NM
1 NM
60 NM
One nautical mile = one minute of latitude
60 min = 1 degree of latitude
1 degree = 60 NM
What is the great circle distance between two points A and B on the equator when the difference between the two associated meridians is exactly one degree of longitude?
60 NM
400 NM
120 NM
216 NM
60 NM
One nautical mile = one minute of latitude
60 min = 1 degree of latitude
1 degree = 60 NM
Assume two arbitrary points A and B on the same parallel of latitude, but not on the equator. Point A is located on 010°E and point B on 020°E.
The rumb line distance between A and B is always… (1,00 P.)
more than 600 NM.
less than 600 NM.
more than 300 NM.
less than 300 NM.
less than 600 NM
One nautical mile = one minute of latitude
60 min = 1 degree of latitude
1 degree = 60 NM
What is the difference in time when the sun moves 20° of longitude? (1,00 P.)
1:20 h
0:20 h
0:40 h
1:00 h
1:20 h
Sun moves 4º per minute
What is the difference in time when the sun moves 10° of longitude? (1,00 P.)
0:30 h
0:04 h
0:40 h
1:00 h
0:40 h
Sun moves 4º per minute
The sun moves 10° of longitude. What is the difference in time?
0.4 h
1 h
0.33 h
0.66 h
0.66 h
**With Central European Summer Time (CEST) given as UTC+2, what UTC time corresponds to 1600 CEST? **
1600 UTC.
1500 UTC.
1700 UTC.
1400 UTC.
1400 UTC
What DME reading will be obtained by being at 36,000 ft at a horizontal distance of 8 NM from the DME radio station?
10 NM
12 NM
11 NM
13 NM
10 NM
What frequency range does the VHF band have?
30 – 300 MHz
30 – 300 kHz
3 – 30 GHz
300 – 3 000 kHz
30 – 300 MHz
What is the accuracy of DME P?
< 0,2 NM
< 0, 25 NM
> 0,2 NM
> 0,25 NM
< 0,2 NM
How to prevent compass turning error in the northern hemisphere?
1- turning north - stop the turn earlier, turning south - stop the turn later
2- turning north - stop the turn later, turning south - stop the turn later
3- turning north - stop the turn later, turning south - stop the turn earlier
4- turning north - stop the turn earlier, turning south - stop the turn earlier
1- turning north - stop the turn earlier, turning south - stop the turn later
Turning errors:
Northen hemisphere: UNOS
Southern hemisphere: ONUS
The ferromagnet is:
1- a magnet
2- a material that contains magnetic domains
3- a material that does not contain any magnetic domains
4- a material that does not exhibit magnetic properties
a material that contains magnetic domains
For two points located at different longitudes local mean time ___ and standard time ___ .
1- must differ; must differ
2- can be the same; can be the same
3- must differ; can be the same
4- can be the same; must differ
must differ; can be the same
At which latitude in March is the civil twilight the longest?
60°
45°
30°
0°
60°
What is the maximum difference between the lengths of the apparent solar day and the civil day?
38 min
16 min
8 min
24 min
16 min
With reference to great circles, which sentence is true?
1- A great circle track is not always the shortest distance between 2 points
2- All great circles lay half on the northern, and half on the southern hemisphere
3- Every meridian is a great circle
4- Any 2 points can be linked by only 1 great circle
Every meridian is a great circle
Which model of the Earth is approved by the ICAO for use in navigation?
1- The model proposed in 1980 as the World Geodetic System
2- No other answer is correct
3- The model called Clarke ellipsoid
4- The model proposed in 1984 as the World Geodetic System
The model proposed in 1984 as the World Geodetic System
What is a great circle?
1- The largest circle that can be plotted onto the earth’s surface
2- Any circle concentric with the earth, the radius of which is equal to the radius of the earth
3- Any circle that can be plotted onto the earth’s surface which is parallel to the equator
4- Any circle that can be plotted onto the earth’s surface which is parallel to a meridian
Any circle concentric with the earth, the radius of which is equal to the radius of the earth
UTC is… (1,00 P.)
a zonal time.
a local time in Central Europe.
local mean time at a specific point on Earth.
an obligatory time used in aviation.
an obligatory time used in aviation
With Central European Time (CET) given as UTC+1, what UTC time corresponds to 1700 CET?
1600 UTC.
1500 UTC.
1700 UTC.
1800 UTC.
1600 UTC