Henry the Navigator sent ships to the Madeira Islands, around the dangerous Cape Bojador to Cape Blanc and Cap Vert. Thanks to his studies, the ships also went to the Gambia River and Cape Palmas.
He wanted a route around Africa to the Asian markets.
Prince Henry used a scientific way of determining the ships sailing, direction, and the location.
He wanted a route around Africa to the Asian markets.
The routes that ships follow are called Sea Lanes. These lanes help keep the ships from collision, are the most direct routes from point A to point B and although may not be the straightest route, they are the safest and fastest. Many Sea Lanes follow existing sea currents.
caravel
I'm pretty sure that the ships computer is given a heading and it just follows the route there.
Dias was a captain who took a fleet of ships on a mission to control Muslim trade and one of his ships just happens to find a route from Portugal to India that went around the bottom of Africa
if you want pictures, search on Google in the image category for Magellan's ships.
Trade winds
Go through the route once and it will be unlocked
the Middle Passsage.
G