4 ms·They blink as they blink in reality. This is the point of the map.by pqs 5y agoThey blink as they blink in reality. This is the point of the map.trhoad 5y agoThe point of the map is to remind you that lighthouses blink? I thought it was to show you where the lighthouses were.gspr 5y agoI think they meant that the point is to show the blinking pattern (which is one very valuable piece of data when it comes to identifying a lighthouse).