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
RMS Empress of Ireland the boat deck. Within a few minutes of the collision, the list was so severe that the port lifeboats could not be launched. Some passengers attempted to do so but the lifeboats just crashed into the side of the ship, spilling their occupants into the frigid water. Five starboard lifeboats were launched successfully, while a sixth capsized during lowering. Ten or eleven minutes after the collision, "Empress of Ireland" lurched violently onto her starboard side, allowing as many as 700 passengers and crew to crawl out of the portholes and decks onto her port side. The ship lay on her