ExtrmSport
The place the sport's facts live. Every dropzone listed, every number checked, and your record of your own jumping kept where you can reach it.
Find a dropzone or open a calculator
Air is live today. Land, Water and Ice are backlog - listed here so the scope is visible, not because they ship.
Backlog
Air is the live element. Everything below works now, in the browser, and the four calculators need no account.
1,087 dropzones across 249 countries, with aircraft, canopy and rig details, opening hours, pricing and contacts where an operator has supplied them. Public, no login. Records are flagged where the data is unverified, and anyone can submit a correction.
Wing loading in lb/ft² against the USPA SIM 5-3 and 6-10 bands. Reserve repack due dates on the 180-day cycle in 14 CFR 105.43. License currency at 30, 60, 90 or 180 days by license class. Resale value for a used container, main or reserve. Each one cites the section it works from.
Repack and currency dates expire quietly. Set a notification and an email arrives 30 days before either does. Both notifications are on the Pro plan, $2.99 per month or $19.99 per year.
A public calendar of trips and boogies in UTC, open to read and open to post to. Plus a community forum for the questions a calculator cannot answer.
The tools compute; you decide. Nothing here is instruction, certification or a substitute for your rigger, your instructor or your equipment manufacturer's manual.
Be specific about the dropzone, the calculator or the account involved and the reply will be faster.