Navigation by Sextant There's no way around it: Celestial navigation using a sextant is a complex and involved process that involves a fair amount of calculating, correcting, ...

With long-range navigational aids (LORAN), ships at sea can plot their locations to within one nautical mile. ... a good navigator can take an equally accurate fix with a sextant.

Just in case any retired clipper ship captains are reading this, the word “sextant” in this context does not refer to the navigational instrument that launched the Age of Sail, but rather to ...

They’ve brought in a sextant, used for navigation at sea by June’s late husband Bob. Bob joined the Merchant Navy aged 16 and retired as captain of a cruise ship.

Human ingenuity, of course, led to our development of a range of instruments to be used on ships for navigation. One of the most important of these is the sextant, which goes back centuries.