Possible Clues:

• Where the sailor saw a light?
• A thick piece of wood across width of ship
• A light at right angles to the plane
• At the side of a supporter
• Directly abreast (of a ship)
• Set across a light
• Position relative to ship given in a broadcast
• Apparatus to brighten the gymnast?
• Directly from the side
• At a right angle to a ship's length