Billings BB240 Progress 240 Kit BB240Fishing in the North Sea has long been a big industry. Fishing trawlers ? FIshing in the North Sea go to sea often for three weeks, of which they spend about 7 10 days actually catching fish. These trawlers shipped out from the countries along the North Sea, including the England and Denmark. "Progress" is based on one such trawler. Length: 38cm Height: 27cm Beam: 10cm