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
Port and starboard people are right-handed. Since the steering oar was on the right side of the boat, it would tie up at the wharf on the other side. Hence the left side was called "port". The Oxford English Dictionary cites "port" in this usage since 1543. Formerly, "larboard" was often used instead of "port". This is from Middle English "ladebord" and the term "lade" is related to the modern "load". "Larboard" sounds similar to "starboard" and in 1844 the Royal Navy ordered that "port" be used instead. The United States Navy followed suit in 1846. "Larboard" continued to be used well into