Intercept
Celestial navigation sight reduction
A free tool by SailorsLog
Open InterceptInstall on your device
Add Intercept to your home screen to use it like a native app — no app store required. All calculations run on your device.
Android (Chrome)
- Open sailorslog.io/intercept in Chrome
- Tap the menu (three dots, top right)
- Tap Add to Home screen or Install app
iPhone & iPad (Safari)
- Open sailorslog.io/intercept in Safari
- Tap the Share button (square with arrow)
- Scroll down and tap Add to Home Screen