An item mentioned the Bulgarian diesel
wood build tug Grigor Tsotsov build prior to 1944 probably in Varna, Bulgaria.
Lenghth around 12-15 metres. Used for towage purposes and as a pilot boat in
the Pyrgos Harbour.
Source
The
report was published on www.archive.org,
document number CIA-RDP80T00246A037600210001-1