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
SS Avila Star either wore or carried a lifejacket plus a red marker light to attach to it. On the evening of 5 July the started following "Avila". At 00:36 on 6 July by Berlin Time, east of São Miguel in the Azores, the submarine hit "Avila"s starboard side with two G7e torpedoes, one of which detonated in her boiler room. The order was given to abandon ship. The ship's engines and main generator were disabled, but her emergency dynamo was started which restored electric light. "Avila Star" carried eight lifeboats: the odd-numbered ones on her starboard side and the even-numbered ones on