Now days all ships have GPS. They also use a compass and radar.
Some use tugboats.
the lighthouse of Alexandria was made to direct ships away from the shore or to the shore
Yes. Many ships are on shore now and crashed into other ships on the coast of Japan.
They warn ships that they are approaching the shore.
Torpedoes are used by military ships to destroy other ships. They are usually used by submarines and they can have guidance systems (Usually wire-guided).
A safe harbour.
Dak Sera and Riq helped the Vikings retreat to their ships by utilizing their quick thinking and resourcefulness. They created diversions to distract the enemy, allowing the Vikings to regroup and escape under cover of chaos. Additionally, they guided the Vikings through a safer route back to the shore, ensuring that they could reach their ships without being intercepted. Their teamwork and strategic planning were crucial in facilitating a successful retreat.
To alert ships that were passing by, that they were close to shore.
Large ships either hire or own smaller tender boats to transfer passengers and supplies from ship to shore
Lifeboats of the Titanic did not ever reach to shore. The survivors were picked up from the lifeboats by other ships.
Anne Pierce has written: 'Divine Inspirations' 'Ships without a Shore'
The sirens were a symbol of the dangers of the sea in ships and sailors not coming back to shore or family.