HMCS Trinity (hull number MCB 157) was a Bay-class minesweeper that was constructed for the Royal Canadian Navy during the Cold War.

The Bay class were designed and ordered as replacements for the Second World War-era minesweepers that the Royal Canadian Navy operated at the time.

[2][note 1] The Bay-class minesweepers were powered by two GM 12-cylinder diesel engines driving two shafts creating 2,400 brake horsepower (1,800 kW).

[6] The squadron sailed to the Caribbean Sea in April 1955 for a training cruise, making several port visits.

[5] The ship was transferred to the Turkish Navy as part of the NATO Mutual Aid Agreement on 31 March 1958.