Port and starboard vessel's starboard side by green and its port side by red. Aircraft are lit in the same way. Port and starboard Port and starboard are nautical and aeronautical terms of orientation that deal unambiguously with the structure of vessels and aircraft. Their structures are largely bilaterally symmetrical, meaning they have mirror-image left and right halves if divided long-ways down the middle. One asymmetric feature is that on aircraft and ships where access is at the side, this access is usually only provided on the port side. To understand which is which, when a person is facing the bow on a
Newport Ship 1449, in or close to San Sebastian.. Timbers associated with later phases of repair come from Britain, as do a large number of structural pieces dating from c.1466. These timbers have been associated with the major renovation work being carried out in Newport at the time the vessel foundered. Remnants of a cradle found beneath the ship suggested that it had been berthed for repair but then abandoned after the supports on the starboard side gave way. Many of the artefacts in the ship, such as coins, pottery and plant remains, suggest that it was trading with Portugal in the