Long before GPS, sailors navigated by the stars. While being able to determine your position based on the stars is still a useful skill on the open ocean, it’s a lot less time-consuming to let a ...

Modern transport-category jets navigate using advanced Inertial Reference Systems (IRS) equipped with laser-ring gyros, replacing older sextant and INS methods. Position data from the IRS is combined ...

Chronicles the author's first transatlantic voyage, when he learned to navigate using a sextant, and traces how this indispensible navigational tool was used by daring mariners to explore and map the ...