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
Elbow of Cross Ledge Light Elbow of Cross Ledge Light The Elbow of Cross Ledge Light was a lighthouse on the north side of the ship channel in Delaware Bay in Cumberland County, New Jersey, on the east coast of the United States, west of Egg Island Point. It was destroyed by a ship collision in 1953 and replaced by a skeleton tower on the same foundation. This light was built to replace the Cross Ledge Light, which stood somewhat to the south-east. A projection from Cross Ledge shoal forces a slight turn in the ship channel, and it was felt that a light on