First Site – Sixth Trip – Surveying the Bay

Link to a short helmet video of the clinker built ship frame found inside Träskö bay.

The sixth trip to the first site 24.6.2018 was again very brief one, just one dive by Rupert Simon and Markku Luoto, but nevertheless an important one. The purpose of the trip was to survey the Träskö’s northern bay area for remnants of the plausible Ruoto-wreck and other potential wreckage, in order to verify the security of the first mooring buoy placement.

Just about two minutes into the dive, we found a single frame depicted in a video linked here. The frame clearly belongs to a clinker built ship of shape and size not matching any of the known (Alko or Barrel) wrecks in the area. Hence I’ve now changed my mind about the existence of the Ruoto-wreck. I find it very likely, that at least a third ship has wrecked on the Träskö reef too.


The stepped shape of the frame to match the clinker laid hull planks is evident.

It remains a mystery however, whether the “clinker wreck” still has a “skeleton”, i.e. keel and bottom timbers lying somewhere to be seen, or whether they have been buried into the bottom silt and only some scattered fragments remain visible.

The curvature of the frame resembles that of many frames lying on the reef just south-southwest from the Barrel wreck, but it it’s almost impossible to determine whether they are from the same vessel without a scientific dating of the frames.




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Current author of this site, Markku Luoto, has been scuba diving since the late 80’s and became involved with marine archaeology in the 90’s as a student in the University of Helsinki. In turn of the millennia, he participated in the building of the Gustav Adolf Wreck Park in Helsinki as a volunteer diver. After the “rush hour years”, he rediscovered scuba diving through his sons, which left him wondering, why the wreck park concept had not hit the mainstream like the reef protection initiatives elsewhere? Thanks to the active dive club Nousu ry, his idea of adopting the wrecks around Stora Träskö island in Porkkala was met with great enthusiasm and the rest – as we now know – will be history 🙂