
1) Nautical terminology
Found on
https://www.crosswordclues.com/clue/lanby-buoy

Lanby buoy is a contraction of Large Automatic Navigation BuoY. Lanby buoys were originally made by Hawker Siddeley Dynamics and were used from the 1970s onwards. The buoys are intended to replace lightships and are constructed as a circular hull with a central light to provide all-round visibility and a foghorn. They may also contain radio and ra...
Found on
http://en.wikipedia.org/wiki/Lanby_buoy
No exact match found.