She was in 1937 build at Frederikssund, Denmark and ten years later rebuild and enlarged and fitted out with new machinery. After her rebuilding she had a measurement of 98 gross tons with a length of 80 1/3 feet. The Atlas Imperial diesel engine supplied 320 bhp allowing a speed of 10 knots. With a crew of 11 men and an armament of 1-4,6cm gun.
