The list is endless. Challenges should let you personally experience something new and different. New and different experiences make skydiving challenging and a risk sport. Learning about risks and preparing for them is the purpose behind SPSJ . SPSJ explains the how and why things work the way they do.
Tips show how to see and avoid potentially dangerous scenarios.
SPSJ shows you how to be a safe jumper. SPSJ illustrates how to learn and press your abilities without imposing additional danger on yourself or others. SPSJ adds Know thy gear when it works, when it doesn't work and how to fix the problem. The same type of rules apply to freefall skills. Know how to do a backshot.