All Nautical mile in our standard world, sectional and class B format.
The NP-2 stores in your E6B case for protective storage.
The NP-2 has all Nautical Scales which are
- 1:1,000,000 (World)
- 1:500,000 (Sectional)
- 1:250,000 (Class B)
- 1:125,000 (Helicopter Enroute
- Most U.S.Forest Service TOPO Maps