ATPL: Which of the following statements concerning Earth magnetism is completely correct?
Domanda 166, General Navigation - ATPL - Airline Transport Pilot license
| An isogonal is a line which connects places with the same magnetic variation |
| The agonic line is the line of zero magnetic dip |
| An isogonal is a line which connects places of equal dip |
| The aclinic is the line of zero magnetic dip |
