Navigation - AC

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This flashcard set covers university-level aviation navigation concepts, focusing on key elements like ground speed, true course, wind vectors, and flight planning. It delves into calculations involving true airspeed, magnetic variation, and distance, essential for pilots navigating VFR flights. The set also includes practical examples and scenarios, such as determining flight times and magnetic courses, making it invaluable for aspiring pilots and aviation students seeking to master the intricacies of flight navigation.

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225

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Language

English

Flashcards

An observer is located north of the plane of the ecliptic. Which statement is correct?

The Earth moves on an elliptical orbit around the sun and the rotational direction is counterclockwise

The Earth moves on a circular orbit around the sun and the rotational direction is counterclockwise

The Earth moves on an elliptical orbit around the sun and the rotational direction is clockwise

The Earth moves on a circular orbit around the sun and the rotational direction is clockwise

The distance between the Earth and the sun is approximately...

150000000 km

300000 km

150000000 NM

162000 NM

Which statement is correct with regard to the positional orientation of the polar axis of the Earth to the plane of the ecliptic (plane of the sun's movement in space)?

The angle between the polar axis of the Earth and the plane of the ecliptic is approximately 66.5°

The angle between the polar axis of the Earth and the plane of the ecliptic is approximately 23.5°

The polar axis of the Earth is parallel to the plane of the ecliptic

The angle between the polar axis of the Earth and the plane of the ecliptic is approximately 90°

The reason for the different seasons on Earth is...

the elliptical orbit of the Earth around the sun.

the variation of the solar radiation during the year.

the inclination of the polar axis to the plane of the ecliptic (plane of the sun's movement in space).

the variation of the Earth's orbital speed during the year.

The rotational axis of the Earth crosses the earth at the...

geographic North Pole and on the geographic South Pole.

magnetic 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.

An observer is located on the North Pole. Which statement is correct with regard to the rotational direction of the Earth?

O: Observer

A: Axis

NH: Northern hemisphere

E: Equator

SH: Southern hemisphere

The Earth is rotating counterclockwise

The Earth is rotating to the north

The Earth is rotating to the south

The Earth is rotating clockwise

Which statement is correct with regard to the polar axis of the Earth?

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 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 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 at an angle of 23.5° to the plane of the equator

Which geometrical form describes the shape of the Earth best for navigation systems?

Perfect sphere

Sphere of ecliptical shape

Ellipsoid

Flat plate

Which statement is correct?

A rhumb line is a great circle perpendicular to the equator

A rhumb line cuts each meridian at the same angle

A rhumb line has the shortest distance between two points on Earth

The center of a complete cycle of a rhumb line is always the Earth's center

Which of the following arcs does not have the Earth's center as its center?

Equator

Parallel of longitude

Great Circle

Small Circle

The shortest distance between two points on Earth is represented by a part of...

a small circle.

a great circle.

a rhumb line.

a parallel of latitude.

The circumference of the Earth at the equator is approximately...

40000 km.

10800 NM.

21600 km.

12800 km.

The radius of the Earth at the equator is approximately...

6400 km.

12800 km.

6400 NM.

40000 km.

Which answer contains only small circles?

Arctic Circle. 20° S parallel of latitude. Antarctic Circle.

Arctic Circle. Greenwich circle of longitude. Antarctic Circle.

Circle with its circular plane intersecting the Earth's centre. 10° N parallel of latitude. Equator.

Greenwich circle of longitude. 10° N parallel of latitude. Equator.

An aeroplane flies from Hanover (52°28'N, 009°59'E) to Hamburg (53°38'N, 009°59'E) on a northerly heading. What is the distance between Hanover and Hamburg?

70 NM

70 km

83 NM

83 km

An aeroplane flies from Hanover (52°28'N, 009°59'E) to Kiel (54°23'N, 009°59'E) on a northerly heading. What is the distance between Hanover and Kiel?

115 NM

115 km

83 NM

83 km

The equator is a...

parallel of latitude.

parallel of longitude.

small circle.

semi circle.

What is the difference in longitude between A (12°53'30''N) and B (07°34'30''S)?

06°41'00''

19°28'00''

05°19'00''

20°28'00''

Where are the two polar circles?

20.5° south of the poles

23.5° north and south of the equator

At a latitude of 20.5°S and 20.5°N

23.5° north and south of the poles

Which climate zones are divided by the polar circle?

Subtropical and tropical

Temperate and subtropical

Polar and subtropical

Polar and temperate

What is the distance between the parallels of latitude 48°N and 49°N?

60''

60 NM

60 SM

60 km

What is the great circle distance between two parallels of latitude when the difference in between is exactly one degree of latitude?

60 NM

1 NM

60 km

30 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?

51°50'27'N'

49°50'27''N

43°50'27''N

53°50'27''N

An aeroplane flies from Klagenfurt (46°40'N, 014°20'E) to Linz (48°15'N, 014°20'E). What is the distance between Klagenfurt and Linz?

95 NM

95 km

51 NM

51 km

What is the distance between the two parallels of longitude 150°E and 151°E on the equator?

60 SM

60 km

111 km

111 NM

What is the distance between the two parallels of longitude 9°E and 10°E on the parallel of latitude 50°N?

60 NM

222 km

56 km

60'

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

120 NM

216 NM

400 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 rhumb line distance between A and B is always...

less than 600 NM.

more than 600 NM.

less than 300 NM.

more than 300 NM.

Assume two points A and B, both located on 60°N. Point A is located on 020°W, point B on 010°W. The rhumb line distance between them equals...

300 NM.

600 NM.

600 km.

300 km.

An aircraft is situated on 60°N 040°W. The rhumb line distance to the position 60°N 000°W on the Greenwich meridian equals...

1200 NM.

600 NM.

2400 km.

1200 km.

What is the difference in time when the sun moves 20° of longitude?

1:00 h

0:40 h

1:20 h

0:20 h

What is the difference in time when the sun moves 10° of longitude?

0:40 h

1:00 h

0:04 h

0:30 h

On which position is the DVOR/DME Salzburg located?

N48°00`, E014°00´.

S48°00`, W012°53`.

N48°00`, E012°53`.

S48°00`, E013°07`.

The sun moves 10° of longitude. What is the difference in time?

0.66 h

1 h

0.33 h

0.4 h

1600 Central European Summer Time (CEST) equals...

1500 UTC.

1600 UTC.

1700 UTC.

1400 UTC.

On which position is the NDB Salzburg (SBG) located?

N47°57', E013°00'.

N47°58', E012°54'.

N47°49', E012°59'.

N48°14', E012°59'.

UTC is...

a local time in Central Europe.

an obligatory time used in aviation.

a zonal time.

local mean time at a specific point on Earth.

On which position is the Aerodrome of Kirchdorf/Inn (EDNK) located?

N47°47', E013°00'.

N47°48', E012°53'.

N47°49', E012°59'.

N48°14', E012°59'.

1700 Central European Time (CET) equals...

1500 UTC.

1800 UTC.

1600 UTC.

1700 UTC.

On which position is the Aerodrome of Linz (LOWL) located?

N48°14', E014°11'.

N48°13', E014°06'.

N48°10', E014°02'.

N48°12', E013°20'.

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Navigation - AC

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