Pennant number
After the onset of the German occupation of Norway, on 15 June 1940 the occupying authorities acquired "Odd I". They then took her into service as a "Vorpostenboote" in the 51 Vorpostenflotille under the name "Orkan". She was allocated the Pennant number V 5103. This was changed to V 5104 on 1 January 1941 and V 5102 in May 1942.