Radio and flares
By radio and flares
By radio or distress flares
Send up a flare or hail local authorities on your radio.
He absolutely did. There had to be a storm or two while he was sailing which caused waves. Anyway, I have NEVER heard of any ocean to be wave-less.
the astrolabe and magnetic compass
A ketch is a sailing ship with two masts.
The two sailing inventions that made the Age of Exploration possible were Caravel, and the Galleon.
A sailing ship, also called a vessil has two masts a kell and a hull
A two-masted sailing ship is commonly referred to as a "sloop" or a "ketch," depending on the configuration of the sails. In a sloop, both masts are fore-and-aft rigged, while a ketch has a main mast and a shorter mizzen mast located aft. These vessels are designed for various sailing conditions and are popular for both recreational and commercial use.
It is a Ketch
Winch and ratchet.
There are two syllables. Sail-ing.