First Class requirement 4 is related to map and compass skills. Scouts learn to complete an orienteering course and how to use GPS.
4a. Using a map and compass, complete an orienteering course that covers at least one mile and requires measuring the height and/ or width of designated items (tree, tower, canyon, ditch, etc.).
4b. Demonstrate how to use a handheld GPS unit, GPS app on a smartphone, or other electronic navigation system. Use GPS to find your current location, a destination of your choice, and the route you will take to get there. Follow that route to arrive at your destination.
Helps for this requirement are listed below.