Straight lines are GREAT CIRCLE TRACKS on the VNC, not the VTA. Don’t forget to add or subtract magnetic variation from your straight line track on the VNC.
| VNC | VTA | |
|---|---|---|
| Projection | Lamberts Conformal Conic | Transverse Mercator |
| Scale | 1 : 500 000 | 1 : 250 000 |
| Rhumb Lines | Curved toward equator | Straight lines |
| Great Circles | Straight lines | Curved toward equator |
| Meridians | Straight lines | Straight lines |
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