Use this site without internet

Save the whole site to this phone or computer: every guide, the target calculator, the evacuation route planner with its highway map, and every printable PDF. After that it opens and works with no signal.

Save to this device

Checking what is saved on this device.

Install it as an app

Installing puts an icon on your home screen that opens the site full screen, like an app. Then save it from inside the app.

iPhone or iPad

In Safari, tap Share, then Add to Home Screen. Open the new icon, come back to this page, and tap Save for offline. The home screen app keeps its own storage, separate from Safari, so save from inside the app.

Android

In Chrome, open the menu and tap Install app or Add to Home screen. Open the app and save from this page.

Computer

In Chrome or Edge, click the install icon at the right end of the address bar. In Safari on a Mac, choose File, then Add to Dock. Or skip installing and save in the browser you use.

When you are online, open this page now and then to pick up updated guides. A phone can run out of battery, so also print the prep sheets and keep them with your kit.