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EN ATPL General Navigation Questions in English
Practise General Navigation
How does the chart convergency change with latitude in a Lambert Conformal projection?
In the Northern hemisphere the rhumb line track from position A to B is 230°, the convergency is 6° and the difference in longitude is 10°. What is the initial rhumb line track from B to A?
Where on a Direct Mercator projection is the chart convergency correct compared to the earth convergency?
The rhumb line track between position A (45°00'N, 010°00'W) and position B (48°30'N, 015°00'W) is approximately:
Complete the following statement regarding magnetic variation. The charted values of magnetic variation on Earth normally change annually due to:
Isogonals are lines of equal:
CRK VOR/DME is at 51°50.4'N, 008°29.7'W. What are the radial and DME distance to 52°20'N, 008°10'W? For this exercise, use WGS84 and assume station declination 7°W; neglect DME slant-range height effects. Round the final radial and distance to the nearest degree and nautical mile.
CRK VOR/DME is at 51°50.4'N, 008°29.7'W. What are the radial and DME distance to 52°10'N, 009°20'W? For this exercise, use WGS84 and assume station declination 7°W; neglect DME slant-range height effects. Round the final radial and distance to the nearest degree and nautical mile.
Using WGS84 coordinates, find the approximate radial and DME distance from CRK VOR/DME at 51 degrees 50.4'N 008 degrees 29.7'W to 52 degrees 30'N 007 degrees 50'W. For this exercise, assume the VOR station alignment uses 7 degrees W declination and that the height difference is negligible. Round the final bearing and distance to the nearest degree and nautical mile.
SHA VOR/DME is at 52°43.3'N, 008°53.1'W. What are the radial and DME distance to 53°00'N, 009°40'W? For this exercise, use WGS84 and assume station declination 7°W; neglect DME slant-range height effects. Round the final radial and distance to the nearest degree and nautical mile.
