The Weight Shift Control Aircraft Pilots Handbook of Aeronautical Knowledge is for ultralight, sport and private pilots flying trikes and weight-shift control (WSC) lig...
Have to fly > 50 miles away and 3 hours with 10 landings at night.
Among other things, it's hard to judge your altitude at night. Clouds are just blacker spots in the sky.
Black spots on the ground are either airports, or mountains, or lakes/ocean, or rough terrain.