ORP Czajka - Polish base minesweeper, one of a series of twelve ships of the 206F project, rebuilt in 1998-2000 into a minehunter, project 206FM. ORP Czajka is a Polish base minesweeper, one of a series of twelve ships of the 206F project, rebuilt in 1998-2000 into a minehunter, project 206 FM. Project 206FM Minehunters are unique units. Their uniqueness lies in the fact that they combine the features of a minesweeper and a minehunter at the same time. They gained their mine counter measures capabilities thanks to comprehensive modernization. The main tasks of minehunters are reconnaissance and control minesweeping, destroying minefields, establishing safe lanes within minefields, carrying ships, groups and transporters, laying anchor and bottom mines, detecting anchor and bottom mines, and destroying mines with an underwater vehicle or by ship groups of divers-miners.