Dutch tug Johanna collided on the Ijsselmeer with another ship according to the Dutch newspaper Haagsche courant dated 25 November 1940

An item reported that Friday night in the darkness the motor ship Berthe van Keulen underway from Enkhuizen, Netherlands towards Delfzijl, Netherlands on the Ijsselmeer off Broekerhaven collided with the Dutch tug Johanna. The result was that the boiler of the Johanna sprung an all her steam pipes broken. The Johanna was towed by the Bertha van Keulen into the harbour of Enkhuizen, Netherlands.