ATPL: A map is conformal when:
Domanda 242, General Navigation - ATPL - Airline Transport Pilot license
| The meridians are straight lines and the scale is constant. |
| The variation information is printed on the map as isogonals. |
| When it conforms to the specifications. |
| The meridians and the parallels of latitude intersects at right angles and when the scale from any selected point is the same in all directions. |
