(nautical) A small buoy, sometimes made of cork with a small flag, used to temporarily mark a position at sea, normally to mark a fishing ground, a minesweeping area, or a man overboard. –Wiktionary
The SOS Marine dan buoy uses familiar technology to replace the man overboard pole. Its principle of operation is similar to an inflatable life jacket. The dan buoy combines pieces in one self–contained unit ready to Just Throw! to an MOB. This dan buoy is specialized for use as an MOB (Man overboard) marker buoy. It is also suitable for use as a general use marker buoy. For example, the Port of Los Angeles / Long Beach uses this dan buoy to immediately mark underwater hazards pending placement of more formal buoyage or hazard removal.
The dan buoy self–inflates on submersion. It has a backup oral inflator, SOLAS strobe, SOLAS light–reflective tape, an eight foot streamer at top, and a very large drogue to retard drift. At its base, an extra grommet can be used to secure it to an anchor for temporary buoy use, to mark dive site or underwater object. Built to ISO 12402 life jacket quality standard where applicable. End–user–rechargeable and reusable.
We are the US importer of the award winning SOS Marine self-inflating man overboard buoy, or dan buoy, from Australia. It automatically deploys upon submersion in water. To trigger deployment, just toss it into the water immediately upon losing a crew overboard. Just Throw! Within seven seconds, the buoy self–inflates. This highly visible device makes keeping track of a man overboard far easier. Click to videos, documents, and accessories.
As part of your annual man overboard gear inspection routine, check your danbuoy strobe. The SOLAS strobe on the danbuoy is not manufactured to accommodate servicing. The strobe’s long life battery is permanently installed. Should the strobe fail inspection, or reach the end of its five year lifespan, replace the strobe.
In its October 19, 2013 meeting, the US Sailing Board approved USSER updates which explicitly state the dan buoy satisfies requirement for man overboard pole on racing sailboats. The updates take effect as of January 1, 2014 and have already been adopted for the 2014 Newport to Bermuda yacht race by its organizing authority.