Charts · Question 10 of 12
What property does the Lambert conformal conic projection, on which the ICAO aeronautical chart 1:500 000 is based, have?
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Answer
- C It is conformal, and a straight line is almost a great circle
Explanation
The Lambert projection is conformal, so courses can be measured correctly. Within one chart sheet the scale is almost constant, and a straight line comes very close to a great circle. Lines of constant direction (rhumb lines), by contrast, appear straight on the Mercator chart.