Exam quiz Navigation - SPL - Sailplane Pilot License

Question 1

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 2

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 3

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

Accepted Answer

A great circle

Answer

A rhumb line

Answer

A small circle

Answer

A parallel of latitude

Question 4

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 5

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 6

The term 'True Course' (TC) is defined as...

Accepted Answer

The angle between true north and the course line

Answer

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

Answer

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

Answer

The angle between magnetic north and the course line

Question 7

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 8

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 9

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 10

An aircraft is flying at FL 75 with an outside air temperature (OAT) of -9°C. The QNH altitude is 6500 ft. The true altitude equals...

Accepted Answer

6250 ft

Answer

7000 ft

Answer

6750 ft

Answer

6500 ft

Question 11

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 12

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 13

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 14

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 15

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 16

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 17

Given: TC: 183°; WCA: +011°; MH: 198°; CH: 200° What are the VAR and the DEV?

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 18

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?

Accepted Answer

51°50'27'N'

Answer

53°50'27''N

Answer

49°50'27''N

Answer

43°50'27''N

Question 19

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 20

What is the required flight time for a distance of 236 NM with a ground speed of 134 kt?

Accepted Answer

1:46 h

Answer

1:34 h

Answer

0:34 h

Answer

0:46 h

Question 21

For TC 040°, TAS 180 kt and wind 350°/30 kt, how should the wind correction be expressed in plain language?

Accepted Answer

7° left

Answer

7° right

Answer

3° right

Answer

3° left

Question 22

Given: WCA: -012°; TH: 125°; MC: 139°; DEV: 002°E What are: TC, MH and CH?

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 23

What is the distance from VOR Brünkendorf (BKD) (53°02'N, 011°33'E) to Pritzwalk (EDBU) (53°11'N, 12°11'E)?

Accepted Answer

24 NM

Answer

42 NM

Answer

24 km

Answer

42 km

Question 24

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...

Accepted Answer

Less than 600 NM

Answer

Less than 300 NM

Answer

More than 600 NM

Answer

More than 300 NM

Question 25

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 26

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 27

Which answer completes the flight plan (marked cells)? See annex (NAV-014)

Accepted Answer

TH: 185°. MH: 184°. MC: 178°

Answer

TH: 173°. MH: 184°. MC: 178°

Answer

TH: 173°. MH: 174°. MC: 178°

Answer

TH: 185°. MH: 185°. MC: 180°

Question 28

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 29

5500 m equal...

Accepted Answer

18000 ft

Answer

30000 ft

Answer

7500 ft

Answer

10000 ft

Question 30

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 31

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

Accepted Answer

21600 NM

Answer

10800 km

Answer

12800 km

Answer

40000 NM

Question 32

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 33

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 : 1000000

Answer

1 : 150000

Question 34

What ground features should preferably be used for orientation during visual flight?

Accepted Answer

Rivers, railroads, highways

Answer

Power lines

Answer

Farm tracks and creeks

Answer

Border lines

Question 35

Electronic devices on board an aeroplane have influence on the...

Accepted Answer

Direct reading compass

Answer

Airspeed indicator

Answer

Turn coordinator

Answer

Artificial horizon

Question 36

For TC 040°, TAS 180 kt and wind 350°/30 kt, what is the signed wind correction angle if left correction is negative?

Accepted Answer

- 7°

Answer

+ 11°

Answer

- 9°

Answer

+ 5°

Question 37

1000 ft equal...

Accepted Answer

300 m

Answer

3000 m

Answer

30 km

Answer

30 m

Question 38

What is the distance from Neustadt (EDAN) (53°22'N, 011°37'E) to Uelzen (EDVU) (52°59'N, 10°28'E)?

Accepted Answer

46 NM

Answer

46 km

Answer

78 km

Answer

78 nm

Question 39

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 40

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 equator with 45° angle

Answer

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

Answer

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

Question 41

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 42

Given: TC: 183°; WCA: +011°; MH: 198°; CH: 200° What are TH and VAR?

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 43

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 44

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

Accepted Answer

Variation

Answer

WCA

Answer

Inclination

Answer

Deviation

Question 45

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 46

Given: True course from A to B: 283°. Ground distance: 75 NM. TAS: 105 kt. Headwind component: 12 kt. Estimated time of departure (ETD): 1242 UTC. The estimated time of arrival (ETA) is...

Accepted Answer

1330 UTC

Answer

1356 UTC

Answer

1430 UTC

Answer

1320 UTC

Question 47

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...

Accepted Answer

1105 UTC

Answer

1115 UTC

Answer

1005 UTC

Answer

1052 UTC

Question 48

What is the true course (TC) from Uelzen (EDVU) (52°59'N, 10°28'E) to Neustadt (EDAN) (53°22'N, 011°37'E)?

Accepted Answer

061°

Answer

241°

Answer

055°

Answer

235°

Question 49

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 50

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 centre 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 centre 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 centre indicates the track error as angular distance in degrees; the scale for full deflection is +-10°

Answer

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

Question 51

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 groundspeed (GS) equals...

Accepted Answer

159 kt

Answer

155 kt

Answer

172 kt

Answer

168 kt

Question 52

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

Accepted Answer

0:40 h

Answer

0:04 h

Answer

1:00 h

Answer

0:30 h

Question 53

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 54

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 55

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 56

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 57

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

Accepted Answer

Deviation

Answer

WCA

Answer

Inclination

Answer

Variation

Question 58

The distance from 'A' to 'B' measures 120 NM. At a distance of 55 NM from 'A' the pilot realizes a deviation of 7 NM to the right. What approximate course change must be made to reach 'B' directly?

Accepted Answer

14° left

Answer

6° left

Answer

8° left

Answer

15° left

Question 59

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 60

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 61

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

Accepted Answer

WCA

Answer

Variation

Answer

Inclination

Answer

Deviation

Question 62

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 63

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 64

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)

Exam simulation Navigation - SPL - Sailplane Pilot License

Exam simulation SPL Navigation 120 questions on 120 minutes