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
Ship John Shoal Light which there was no room in the light itself. In 1973 the light was automated, and four years later the original Fresnel lens was removed and replaced by a solar powered beacon, whose solar panels stand on the platform where the tanks once rested. In June 2011, the General Services Administration made the Ship John Shoal Light (along with 11 others) available at no cost to public organizations willing to preserve them. Ship John Shoal Light The Ship John Shoal Light marks the north side of the ship channel in Delaware Bay on the east coast of the United States,