The mast.
Mizzen Mast,Foremast,Main Mast,Rudder,Bow,Stern
Yes, when a ship sails away, the mast typically disappears from view first. This phenomenon occurs due to the curvature of the Earth; as the ship moves further away, the lower parts of the vessel become obscured by the horizon before the taller mast. Consequently, from an observer's perspective, it appears as if the mast is the first part to vanish.
The mast of a ship is very important to the movement and navigation of the ship.
There were many parts on a colonial ship. Some of those parts included the rudders, bow, stern, sails, mast, a wheel house, store room, deck, and an engine room.
Hull, mast, sail, lines, anchor, lights, keel, galley
You are describing the mast.
bow bilge stern deck mast sails keel rigging hull bulkhead
The main mast is the tallest of all masts on the ship. If all masts are the same height, then the one with the top navigationlight is the main mast. If there is only one mast, then that would be the main mast.
the lookout who was stationed at the top of the mast
A mast
The ship's mast stood tall against the clear blue sky.