Schooner, built 1952 in Gdańsk as a fishing drifter-trawler "Cietrzew", rebuilt 1960/1961 for the Polish Scouts Organisation

I found also the old data of the trawler so you can compare
"Zawisza Czarny" "Cietrzew"
sails: 625 m2 sails: 0
BRT: 164 BRT: 159
LOA: 42.7 m LOA: 32.57
BEAM: 6.7 m BEAM: 6.7
DRAFT: 4.5 m DRAFT: 3.04
engine: 360 HP, diesel engine: 360HP, diesel
passengers: 46