Navigation light side of the vessel, a flashing green on the starboard side of the vessel, two flashing white lights on the top and one flashing yellow on the bottom side of the fuselage. The SpaceX Dragon cargo spacecraft also features a flashing strobe along with red and green lights. Navigation light A navigation light, also known as a running or position light, is a source of illumination on a vessel, aircraft or spacecraft. Navigation lights give information on a craft's position, heading, and status. Their placement is mandated by international conventions or civil authorities. Navigation lights are not intended to provide
Sinking of the RMS Titanic the first class dining room noticed a shudder, which they thought might have been caused by the ship shedding a propeller blade. Many of the passengers felt a bump or shudder – "just as though we went over about a thousand marbles", as one survivor put it – but did not know what had happened. Those on the lowest decks, nearest the site of the collision, felt it much more directly. Engine Oiler Walter Hurst recalled being "awakened by a grinding crash along the starboard side. No one was very much alarmed but knew we had struck something". Fireman George