Mark 3 Sextant Navigation Tool

Sku: PHY3536

Mark 3 Sextant Navigation Tool

Sku: PHY3536
$CAD 169.69
Product not available for online purchase

Mark 3 Navigation Sextant – Your Essential Backup for Confident Navigation

When modern electronics fail, true seamanship takes over. The Mark 3 Sextant is the must-have navigation tool for any vessel—whether large or small. Rugged, reliable, and surprisingly versatile, it allows you to measure the angular distance between two visible objects—most commonly between a celestial body and the horizon—to determine your position anywhere on Earth.


🌍 A Trusted Companion When Technology Lets You Down

From measuring the distance to a landmark to determining your latitude or calculating Greenwich Mean Time, the Mark 3 Sextant offers dependable accuracy through classic celestial navigation.


🚤 Designed for Training… Proven on Oceans Worldwide

Nicknamed the “lifeboat sextant,” the Mark 3 is an affordable, easy-to-use training model.
Yet don't underestimate it — this durable sextant has guided sailors across oceans and around the world thanks to its reliability and simplicity.


🔧 Key Features

  • 📐 Full-size sextant for comfortable handling

  • 🌞 Integrated sunshades for bright-sky observations

  • 🎯 Clear, precise angle readings

  • 💼 Perfect for training, backup, or emergency navigation

  • 🌒 No optical magnification, making it easier to locate dim celestial bodies