You yourself deploy your own chute We jumped at 15,000 feet, which gave us a minute of freefall. I deployed it at 5,000 feet, which gave me around 4 minutes screw around time. Deploy at 4,500 feet, less time just cruising around. When your freefalling at over 100 mph, Earth gets big FAST, and I mean FAST, Even considering deploying below that altitude is out of the question with me.