John Hamilton


John's latest writings
About Tandem Skydiving

Over the years, the skydiving industry has evolved from the WWII days of jumping round parachutes with static line deployment systems, to modernized equipment which utilizes rectangular airfoils and computerized automatic activation devices (emergency back up only). There are two main types of modern day skydiving which are being taught at United States Parachute Association (USPA) drop zones (a.k.a Skydiving Centers): Tandem... (posted by John 2 years 313 days ago.)