EPIRBs - Should They Be Located Outside the Hull?

Being in a fairly pessimistic mood I have beenthe liferaft, the EPIRB could be attached by a line
contemplating disasters and safety at sea.which would hydrostatically release in the event of the
The mood was triggered partly by illness and partly byyacht foundering. Perhaps the design of EPIRBs could
remembering several incidents where vessels havebe adapted so that after the line had broken it would
foundered so rapidly - from a variety of causes - thatbegin transmission of its emergency signal.
the crew has not been able to do anything exceptThe coroner in the Tasmanian case recommended
launch the life raft. The event was so overwhelmingthat "The fitting of an EPIRB within a liferaft would
and sudden that they were not able to rescue theirhave the added benefit that if the EPIRB on the vessel
grab bags or anything that might have aided theircould not be activated, any person gaining entry to the
survival.liferaft could transmit their whereabouts."
I was been thinking in particular of a Tasmanian fishingYacht racing in Australia has always been at the
boat which sank suddenly. When this fishing boat wasforefront of safety standards. In addition to the
found its two EPIRBs were still in place in their holdingrequirement that each yacht carry an EPIRB, when
brackets. It is believed that the vessel sank stern first.competing in the annual Sydney-to-Hobart all crew
The painter from the life raft to the vessel had beenmust carry a personal EPIRB. This is certainly sensible
cut by the crew. There was considerable controversyand one would imagine that no sea safety organisation
over this incident because the police search was calledwould have the slightest doubt that a search was
off -- as some locals said -- too soon, and the nationalneeded if, say, a cluster of 10 signals suddenly
search and rescue operation did not search at all.appeared on their screens.
The locals correctly predicted the likely drift of theI cannot end this article without reminding everyone
liferaft but, by the time it was found 300 km to thethat there's no point having an EPIRB unless it's one of
west, two of the three men were dead and thethe 406 frequency beacons. Why? Monitoring of the
other's body has never been found. On the evidence121.5 MHz beacons will be discontinued worldwide from
provided, the coroner found that they had all diedFebruary 1, 2009. So it wouldn't really matter where
before the boat had been reported missing.you put it if you didn't have the right kind of EPIRB.
I'm not concerned with the rights and wrongs of theOne of the key advantages of these new EPIRBs is
search -- tragic though the outcome was -- but withthat they have to be registered. When you have done
the implications of sudden disaster.this, you and your yacht will be immediately identified
How often, for instance, do vessels simply disappear?by the signal from your beacon, speeding up the
It is quite possible the crews of some of these vesselssearch and rescue.
managed to get into the liferaft but had no way ofThey are also more accurate in their location of a
alerting the authorities to their plight.signal from a distressed yacht. Where the previous unit
For instance, should EPIRBs be mounted on thetook two passes of the satellite to get a position, the
outside of the hull? Perhaps, on the transom. Then, likenew ones get a position from the first pass.