Thread: Low visibility
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Old 12-09-2012, 12:27 AM   #102
greatpapabear
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City: Guernsey, Channel islands
Vessel Name: Play d'eau
Vessel Model: Fleming 55
Join Date: Jun 2008
Posts: 356
Quote:
Originally Posted by Marin View Post
Ron is correct, the horn interval for fog is two minutes. We have a Standard Horizon intercom/ loud hailer that will do all sorts of pre-programmed horn sounds and yelps through the main hailer horn. Now the hailer horn is nowhere near as loud as our big dual-tone air horns, but when we're in fog we turn on the hailer's two minute fog cycle and every time it goes off the person at the helm hits the air horn button.

There are programmable control units that can be wired into a boat's horn circuitry. What we do is the poor man's, or in my case the cheap, lazy man's version.
Hi Marin - Just as long as another boat listening doesn't think there are two boats around....
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