Uad Martin

The Uad Martin was a British-built trawler of 600 tons displacement launched in 1917 and purchased by Spain in 1922 for use as a coastguard vessel. The Uad Martin (variously known when a trawler as the Erne and the John Chivers) was coal powered providing a top speed of 9.5 knots and carried a complement of 39. She was armed with one 3 inch gun.
Found on http://www.probertencyclopaedia.com/browse/RU.HTM
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