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Navigation Without Power: The Hand Compass

B7R Blog

Power cuts, dead chargers, a phone that shuts down mid-trip: any of those ends your electronic navigation. A hand compass costs almost nothing and keeps working when everything else stops. This is how to run the Kuwait coast on a compass and paper.

Why Keep a Hand Compass Onboard

A baseplate compass needs no battery, no signal and no account. Keep it in the boat with a printed chart, and forget about it until the day you need it.

The old rule holds: treat anything electronic as the backup, and paper plus compass as the primary. Never depend on one device.

Magnetic vs True North

A compass points to magnetic north, not true north. Off Kuwait the difference, called declination, is roughly two to three degrees east. That sounds small, but over twenty miles it puts you well off course.

Read the bearing, then apply the offset. Cross-check it against your phone's GPS heading: if the two agree, you are steering straight. If there is a steady gap between them, that gap is the declination. Allow for it, don't ignore it.

Taking and Holding a Bearing to a Landmark

Pick a mark you can see clearly and work in order:

Write the numbers on paper, not in your head. Bearings held in memory drift within minutes; paper doesn't.

Dead Reckoning on Paper

If you know your speed and your heading, you know roughly where you are. Log your starting point, then log speed and heading every hour. One knot equals one nautical mile per hour.

Example: three hours on a heading of 090 degrees at six knots puts you about eighteen miles east of your start. Current and wind will bend that, so always add a safety margin and stay within sight of landmarks that show up well.

Kuwait Coast Landmarks to Print

Before you leave, print your stretch of coast and mark the familiar features. These give you ready crossing points:

Before you go, check the B7R navigation tools and screenshot the tide tables for Shuaiba and Shuwaikh along with the sea state and wave conditions โ€” keep a copy with your paper notes.

When the Phone Battery Dies

Every iPhone and Android has a compass app, but apps need charge. Make the phone your last resort, not your first. If it dies suddenly, go back to paper: your last heading, your speed, and the last landmark you identified.

Night is harder because marks fade. Slow down after dark, hold a steady compass heading, and stay a safe distance off the coast.

Get B7R free on Google Play and set up your backup before you need it: https://play.google.com/store/apps/details?id=com.q8dm.b7r

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