Navigation Flashcards
(137 cards)
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… (1,00 P.)
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…
See figure (NAV-002) (1,00 P.)
10800 km.
40000 NM.
12800 km.
21600 NM.
21600 NM.
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
60NM
111 NM
10NM
60NM
What distance corresponds to one degree difference in latitude along any degree of longitude? (1,00 P.)
1 NM
60NM
30NM
60km
60NM
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? (1,00 P.)
43°50’27’‘N
53°50’27’‘N
49°50’27’‘N
51°50’27’N’
51°50’27’N’
What is the distance between the two parallels of longitude 150°E and 151°E along the equator? (1,00 P.)
60km
111 NM
60NM
1 NM
60NM
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? (1,00 P.)
60NM
400 NM
120 NM
216 NM
60NM
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.
What is the difference in time when the sun moves 20° of longitude? (1,00 P.)
1:20h
0:20h
0:40h
1:00h
1:20h
What is the difference in time when the sun moves 10° of longitude? (1,00 P.)
0:30h
0:04h
0:40h
1:00h
0:40h
The sun moves 10° of longitude. What is the difference in time? (1,00 P.)
0.4h
1h
0.33h
0.66h
0.66h
With Central European Summer Time (CEST) given as UTC+2, what UTC time corresponds to 1600 CEST? (1,00 P.)
1600 UTC.
1500 UTC.
1700 UTC.
1400 UTC.
1400 UTC.
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?
(1,00 P.)
1600 UTC.
1500 UTC.
1700 UTC.
1800 UTC.
1600 UTC.
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.)
In Vienna the sunrise and sunset are about 14 minutes earlier than in Salzburg
In Vienna the sunrise is 14 minutes earlier and sunset is 14 minutes later than in Salzburg
In Vienna the sunrise and sunset are about 4 minutes later than in Salzburg
In Vienna the sunrise is 4 minutes later and sunset is 4 minutes earlier than in Salzburg
In Vienna the sunrise and sunset are about 14 minutes earlier than in Salzburg
The term ‘civil twilight’ is defined as… (1,00 P.)
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.
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.
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.
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.
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.
Given:
WCA: -012°; TH: 125°; MC: 139°; DEV: 002°E
What are: TC, MH und CH? (2,00 P.)
TC: 113°. MH: 127°. CH: 129°.
TC: 137°. MH: 127°. CH: 125°.
TC: 137°. MH: 139°. CH: 125°.
TC: 113°. MH: 139°. CH: 129°.
TC: 137°. MH: 127°. CH: 125°.
Given:
TC: 179°; WCA: -12°; VAR: 004° E; DEV: +002°
What are MH and MC? (1,00 P.)
MH: 167°. MC: 175°.
MH: 167°. MC: 161°.
MH: 163°. MC: 175°.
MH: 163°. MC: 161°.
MH: 163°. MC: 175°.