The EPIRB has been reported, by a UK contact, to have ceased transmitting after a few hours, which of course could indicate either premature failure or manual switching off after the discovery that it had been activated accidentally.
Lynn Rival is in an area where their satellite phone does not function. An air search has found nothing. If the yacht is safe, we may not know until it closes the Tanzanian coast, perhaps 10-14 days from now.
The above information has been taken from the
www.rivalowners.org.uk