Exam quiz Navigation - SPL - Sailplane Pilot License

Question 1

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?

Accepted Answer

60 NM

Answer

400 NM

Answer

120 NM

Answer

216 NM

Question 2

An aircraft is flying with a true airspeed (TAS) of 120 kt and experiences 35 kt tailwind. How much time is needed for a distance of 185 NM?

Accepted Answer

1 h 12 min

Answer

2 h 11 min

Answer

0 h 50 min

Answer

1 h 32 min

Question 3

Given: TC: 183°; WCA: +011°; MH: 198°; CH: 200° What are the VAR and the DEV? (2,00 P.)

Accepted Answer

VAR: 004° W. DEV: -002°.

Answer

VAR: 004° E. DEV: -002°.

Answer

VAR: 004° W. DEV: +002°.

Answer

VAR: 004° E. DEV: +002°.

Question 4

The circumference of the Earth at the equator is approximately... See figure (NAV-002) Siehe Anlage 1

Accepted Answer

21600 NM.

Answer

10800 km.

Answer

12800 km.

Answer

40000 NM.

Question 5

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

Accepted Answer

0.66 h

Answer

0.4 h

Answer

1 h

Answer

0.33 h

Question 6

The angle between the magnetic course and the true course is called...

Accepted Answer

Variation

Answer

WCA.

Answer

Inclination.

Answer

Deviation.

Question 7

An aircraft is flying with a true airspeed (TAS) of 180 kt and a headwind component of 25 kt for 2 hours and 25 minutes. The distance flown equals...

Accepted Answer

375 NM.

Answer

693 NM.

Answer

202 NM.

Answer

435 NM.

Question 8

What is the distance between the parallels of latitude 48°N and 49°N along a meridian line?

Accepted Answer

60 NM

Answer

111 NM

Answer

1 NM

Answer

10 NM

Question 9

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

Accepted Answer

Ellipsoid

Answer

Sphere of ecliptical shape

Answer

Flat plate

Answer

Perfect sphere

Question 10

Which direction corresponds to 'compass north' (CN)?

Accepted Answer

The direction to which the direct reading compass aligns due to earth's and aircraft's magnetic fields

Answer

The most northerly part of the magnetic compass in the aircraft, where the reading takes place

Answer

The angle between the aircraft heading and magnetic north

Answer

The direction from an arbitrary point on Earth to the geographical North Pole

Question 11

The angle between the true course and the true heading is called...

Accepted Answer

WCA.

Answer

Variation.

Answer

Inclination.

Answer

Deviation.

Question 12

For a short flight from A to B the pilot extracts the following information from an aeronautical chart: True course: 245°. Magnetic variation: 7° W The magnetic course (MC) equals...

Accepted Answer

252°.

Answer

238°.

Answer

245°.

Answer

007°.

Question 13

What is the distance from VOR Brünkendorf (BKD) (53°02?N, 011°33?E) to Pritzwalk (EDBU) (53°11'N, 12°11'E)? See annex (NAV-031) Siehe Anlage 2

Accepted Answer

24 NM

Answer

42 NM

Answer

24 km

Answer

42 km

Question 14

Which are the official basic units for horizontal distances used in aeronautical navigation and their abbreviations?

Accepted Answer

Nautical miles (NM), kilometers (km)

Answer

Land miles (SM), sea miles (NM)

Answer

Yards (yd), meters (m)

Answer

Feet (ft), inches (in)

Question 15

Given: True course from A to B: 352°. Ground distance: 100 NM. GS: 107 kt. Estimated time of departure (ETD): 0933 UTC. The estimated time of arrival (ETA) is...

Accepted Answer

1029 UTC.

Answer

1045 UTC.

Answer

1129 UTC.

Answer

1146 UTC.

Question 16

The distance between two airports is 220 NM. On an aeronautical navigation chart the pilot measures 40.7 cm for this distance. The chart scale is...

Accepted Answer

1 : 1000000.

Answer

1 : 500000

Answer

1 : 250000.

Answer

1 : 2000000.

Question 17

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

Accepted Answer

.20°28'00''

Answer

.05,19°

Answer

.20,28°

Answer

.05°19'00''

Question 18

How are rhumb lines and great circles depicted on a direct Mercator chart?

Accepted Answer

Rhumb lines: straight lines Great circles: curved lines

Answer

Rhumb lines: straight lines Great circles: straight lines

Answer

Rhumb lines: curved lines Great circles: straight lines

Answer

Rhumb lines: curved lines Great circles: curved lines

Question 19

Given: True course from A to B: 250°. Ground distance: 210 NM. TAS: 130 kt. Headwind component: 15 kt. Estimated time of departure (ETD): 0915 UTC. The estimated time of arrival (ETA) is... (2,00 P.)

Accepted Answer

1105 UTC.

Answer

1115 UTC.

Answer

1005 UTC.

Answer

1052 UTC.

Question 20

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

Accepted Answer

60 NM

Answer

111 NM

Answer

60 km

Answer

1 NM

Question 21

5500 m equal...

Accepted Answer

18000 ft.

Answer

30000 ft.

Answer

7500 ft.

Answer

10000 ft.

Question 22

Which statement about a rhumb line is correct?

Accepted Answer

A rhumb line cuts each meridian at the same angle.

Answer

A rhumb line is a great circle intersecting the the equator with 45° angle.

Answer

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

Answer

The shortest track between two points along the Earth's surface follows a rhumb line.

Question 23

Given: Ground speed (GS): 160 kt. True course (TC): 177°. Wind vector (W/WS): 140°/20 kt. The true heading (TH) equals...

Accepted Answer

173°.

Answer

180°

Answer

169°.

Answer

184°.

Question 24

Where are the two polar circles?

Accepted Answer

23.5° north and south of the poles

Answer

23.5° north and south of the equator

Answer

At a latitude of 20.5°S and 20.5°N

Answer

20.5° south of the poles

Question 25

Given: TC: 183°; WCA: +011°; MH: 198°; CH: 200° What are TH and VAR? (2,00 P.)

Accepted Answer

TH: 194°. VAR: 004° W

Answer

TH: 194°. VAR: 004° E

Answer

TH: 172°. VAR: 004° W

Answer

TH: 172°. VAR: 004° E

Question 26

Where does the inclination reach its lowest value?

Accepted Answer

At the magnetic equator

Answer

At the geographic equator

Answer

At the geographic poles

Answer

At the magnetic poles

Question 27

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...

Accepted Answer

Less than 600 NM.

Answer

Less than 300 NM.

Answer

More than 600 NM.

Answer

More than 300 NM.

Question 28

The term 'agonic line' is defined as a line on Earth or an aeronautical chart, connecting all points with the...

Accepted Answer

Variation of 0°.

Answer

Heading of 0°.

Answer

Deviation of 0°.

Answer

Inclination of 0°.

Question 29

Which are the properties of a Mercator chart?

Accepted Answer

The scales increases with latitude, great circles are depicted as curved lines, rhumb lines are depicted as straight lines

Answer

The scale is constant, great circles are depicted as curved lines, rhumb lines are depicted as straight lines

Answer

The scales increases with latitude, great circles are depicted as straight lines, rhumb lines are depicted as curved lines

Answer

The scale is constant, great circles are depicted as straight lines, rhumb lines are depicted as curved lines

Question 30

What distance corresponds to one degree difference in latitude along any degree of longitude?

Accepted Answer

60 NM

Answer

30 NM

Answer

60 km

Answer

1 NM

Question 31

Given: WCA: -012°; TH: 125°; MC: 139°; DEV: 002°E What are: TC, MH und CH? (2,00 P.)

Accepted Answer

TC: 137°. MH: 127°. CH: 125°.

Answer

TC: 113°. MH: 127°. CH: 129°.

Answer

TC: 137°. MH: 139°. CH: 125°.

Answer

TC: 113°. MH: 139°. CH: 129°.

Question 32

What could be a reason for changing the runway indicators at aerodromes (e.g. from runway 06 to runway 07)?

Accepted Answer

The magnetic variation of the runway location has changed

Answer

The magnetic deviation of the runway location has changed

Answer

The true direction of the runway alignment has changed

Answer

The direction of the approach path has changed

Question 33

Given: True course: 120°. TAS: 120 kt. Wind: 150°/12 kt. The WCA equals...

Accepted Answer

3° to the right.

Answer

6° to the right.

Answer

6° to the left.

Answer

3° to the left.

Question 34

1000 ft equal...

Accepted Answer

300 m.

Answer

3000 m.

Answer

30 km.

Answer

30 m.

Question 35

An aircraft is following a true course (TC) of 040° at a constant true airspeed (TAS) of 180 kt. The wind vector is 350°/30 kt. The wind correction angle (WCA) equals...

Accepted Answer

.- 7°

Answer

.+ 11°

Answer

. - 9°

Answer

.+ 5°

Question 36

An aircraft travels 100 km in 56 minutes. The ground speed (GS) equals...

Accepted Answer

107 km/h.

Answer

93 kt

Answer

198 kt.

Answer

58 km/h

Question 37

The term ‚magnetic course' (MC) is defined as...

Accepted Answer

The angle between magnetic north and the course line.

Answer

The direction from an arbitrary point on Earth to the magnetic north pole.

Answer

The angle between true north and the course line.

Answer

The direction from an arbitrary point on Earth to the geographic North Pole.

Question 38

The angle between compass north and magnetic north is called...

Accepted Answer

Deviation.

Answer

WCA

Answer

Inclination.

Answer

Variation.

Question 39

Given: TC: 183°; WCA: +011°; MH: 198°; CH: 200° What are the TH and the DEV? (2,00 P.)

Accepted Answer

TH: 194°. DEV: -002°.

Answer

TH: 172°. DEV: +002°.

Answer

TH: 172°. DEV: -002°.

Answer

TH: 194°. DEV: +002°.

Question 40

An aircraft is following a true course (TC) of 040° at a constant true airspeed (TAS) of 180 kt. The wind vector is 350°/30 kt. The wind correction angle (WCA) equals...

Accepted Answer

7° left.

Answer

7° right.

Answer

3° right.

Answer

3° left.

Question 41

A distance of 7.5 cm on an aeronautical chart represents a distance of 60.745 NM in reality. What is the chart scale?

Accepted Answer

1 : 1500000

Answer

1 : 500000

Answer

1 : 1 000000

Answer

1 : 150000

Question 42

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

Accepted Answer

1:20 h

Answer

1:00 h

Answer

0:40 h

Answer

0:20 h

Question 43

UTC is...

Accepted Answer

An obligatory time used in aviation.

Answer

A zonal time

Answer

Local mean time at a specific point on Earth.

Answer

A local time in Central Europe.

Question 44

What is meant by the term "terrestrial navigation"?

Accepted Answer

Orientation by ground features during visual flight

Answer

Orientation by ground celestial object during visual flight

Answer

Orientation by instrument readings during visual flight

Answer

Orientation by GPS during visual flight

Question 45

With Central European Summer Time (CEST) given as UTC+2, what UTC time corresponds to 1600 CEST?

Accepted Answer

1400 UTC.

Answer

1600 UTC.

Answer

1700 UTC.

Answer

1500 UTC.

Question 46

An aircraft is flying at a pressure altitude of 7000 feet with an outside air temperature (OAT) of +11°C. The QNH altitude is 6500 ft. The true altitude equals...

Accepted Answer

6750 ft.

Answer

6500 ft.

Answer

7000 ft

Answer

6250 ft.

Question 47

With Central European Time (CET) given as UTC+1, what UTC time corresponds to 1700 CET?

Accepted Answer

1600 UTC.

Answer

1500 UTC.

Answer

1700 UTC.

Answer

1800 UTC.

Question 48

An aircraft is following a true course (TC) of 220° at a constant TAS of 220 kt. The wind vector is 270°/50 kt. The ground speed (GS) equals...

Accepted Answer

185 kt.

Answer

255 kt.

Answer

170 kt.

Answer

135 kt.

Question 49

The term 'civil twilight' is defined as...

Accepted Answer

The period of time before sunrise or after sunset where the midpoint of the sun disk is 6 degrees or less below the true horizon.

Answer

The period of time before sunrise or after sunset where the midpoint of the sun disk is 6 degrees or less below the apparent horizon.

Answer

The period of time before sunrise or after sunset where the midpoint of the sun disk is 12 degrees or less below the true horizon.

Answer

The period of time before sunrise or after sunset where the midpoint of the sun disk is 12 degrees or less below the apparent horizon.

Question 50

Which are the properties of a Lambert conformal chart?

Accepted Answer

The chart is conformal and nearly true to scale

Answer

The chart is conformal and an equal-area projection

Answer

Great circles are depicted as straight lines and the chart is an equal-area projection

Answer

Rhumb lines are depicted as straight lines and the chart is conformal

Question 51

Vienna (LOWW) is located at 016° 34'E, Salzburg (LOWS) at 013° 00'E. The latitude of both positions can be considered as equal. What is the difference of sunrise and sunset times, expressed in UTC, between Wien and Salzburg? (2,00 P.)

Accepted Answer

In Vienna the sunrise and sunset are about 14 minutes earlier than in Salzburg

Answer

In Vienna the sunrise is 4 minutes later and sunset is 4 minutes earlier than in Salzburg

Answer

In Vienna the sunrise and sunset are about 4 minutes later than in Salzburg

Answer

In Vienna the sunrise is 14 minutes earlier and sunset is 14 minutes later than in Salzburg

Question 52

How many satellites are necessary for a precise and verified three-dimensional determination of the position?

Accepted Answer

Four

Answer

Two

Answer

Three

Answer

Five

Question 53

Given: True course: 270°. TAS: 100 kt. Wind: 090°/25 kt. Distance: 100 NM. The ground speed (GS) equals...

Accepted Answer

125 kt.

Answer

120 kt.

Answer

131 kt.

Answer

117 kt.

Question 54

Given: True course: 165°. TAS: 90 kt. Wind: 130°/20 kt. Distance: 153 NM. The true heading equals...

Accepted Answer

158°.

Answer

152°.

Answer

165°.

Answer

126°.

Question 55

Given: True course: 270°. TAS: 100 kt. Wind: 090°/25 kt. Distance: 100 NM. The flight time equals...

Accepted Answer

48 Min.

Answer

37 Min.

Answer

84 Min.

Answer

62 Min.

Question 56

What is the meaning of the 1:60 rule?

Accepted Answer

1 NM lateral offset at 1° drift after 60 NM

Answer

6 NM lateral offset at 1° drift after 10 NM

Answer

10 NM lateral offset at 1° drift after 60 NM

Answer

60 NM lateral offset at 1° drift after 1 NM

Question 57

The term 'isogonal' or 'isogonic line' is defined as a line on an aeronautical chart, connecting all points with the same value of...

Accepted Answer

Variation.

Answer

Heading.

Answer

Deviation

Answer

Inclination.

Question 58

An aircraft is flying at a pressure altitude of 7000 feet with an outside air temperature (OAT) of +21°C. The QNH altitude is 6500 ft. The true altitude equals...

Accepted Answer

7000 ft.

Answer

6500 ft

Answer

6250 ft.

Answer

6750 ft.

Question 59

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

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 60

The rotational axis of the Earth runs through the...

Accepted Answer

Geographic North Pole and on the geographic South Pole.

Answer

Magnetic north pole and on the geographic South Pole.

Answer

Magnetic north pole and on the magnetic south pole.

Answer

Geographic North Pole and on the magnetic south pole.

Question 61

When using a GPS for tracking to the next waypoint, a deviation indication is shown by a vertical bar and dots to the left and to the right of the bar. What statement describes the correct interpretation of the display?

Accepted Answer

The deviation of the bar from the center indicates the track error as absolute distance in NM; the scale for full deflection depends on the operating mode of the GPS.

Answer

The deviation of the bar from the center indicates the track error as angular distance in degrees; the scale for full deflection depends on the operating mode of the GPS.

Answer

The deviation of the bar from the center indicates the track error as angular distance in degrees; the scale for full deflection is +-10°.

Answer

The deviation of the bar from the center indicates the track error as absolute distance in NM; the scale for full deflection is +-10 NM.

Question 62

An aeroplane has a heading of 090°. The distance which has to be flown is 90 NM. After 45 NM the aeroplane is 4.5 NM north of the planned flight path. What is the corrected heading to reach the arrival aerodrome directly?

Accepted Answer

12° to the right

Answer

18° to the right

Answer

9° to the right

Answer

6° to the right

Question 63

Given: True course: 255°. TAS: 100 kt. Wind: 200°/10 kt. The true heading equals...

Accepted Answer

250°.

Answer

265°.

Answer

275°.

Answer

245°.

Question 64

What is the true course (TC) from Uelzen (EDVU) (52°59?N, 10°28?E) to Neustadt (EDAN) (53°22'N, 011°37'E)? See annex (NAV-031) Siehe Anlage 2

Accepted Answer

061°

Answer

241°

Answer

055°

Answer

235°

Exam simulation Navigation SPL - Sailplane Pilot License

Exam simulation SPL Navigation 120 questions on 120 minutes