The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From United States Parachute Association:
Have access to the most comprehensive skydiving manual in the world at your fingertips, no matter where you are, anytime of day or night! Make sure youre up to date on all the latest skydiving rules and recommendations before you head to the drop zone! This easy-to-navigate app lets you search through more than 200 pages of basic to advanced skydiving information with the new search feature. Pop-up definitions make it easier to understand all the skydiving lingo and acronyms. Interested in jumping out of an airplane for the first time? Familiarize yourself with what to look for when visiting a USPA-affiliated skydiving center. Wondering how many skydives you need to fly a wingsuit or jump with a camera? Whether youre a first-time jumper or a licensed skydiver, the new SIM App is a handy reference tool to quickly and easily answer your questions about skydiving.