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|Number of cells||18|
|Rotor type||Diagonal on-off|
|Year of discovery||Unknown|
1 beacon is about the thirty-second most common naturally-occurring oscillator in Achim Flammenkamp's census, being slightly less common than the cis-beacon up on long hook, approximately as common as the cis-beacon on cap, and more common than 20P2.
- Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
- "Soup search results". Retrieved on November 9, 2014.
- 18P2.465 at Heinrich Koenig's Game of Life Object Catalogs