ATPL: The total length of the 53°N parallel of latitude on a direct Mercator chart is 133 cm. What is the approximate scale of the chart at latitude 30°S?
Domanda 72, General Navigation - ATPL - Airline Transport Pilot license
| 1: 30 000 000 |
| 1: 25 000 000 |
| 1: 21 000 000 |
| 1: 18 000 000 |
