Beemster-class minesweeper
The Beemster class was a class of fourteen minesweepers that were built at different shipyards in the United States for the Royal Netherlands Navy. The minesweepers were based on the AMS-60 design and paid for by the United States under the Mutual Defense Assistance Program. The minesweepers served in the RNLN between 1953 and 1976.
Design and construction
The fourteen Beemster-class minesweepers were ordered in 1951 in the United States. They were based on the AMS-60 design. The first ships were taken into service of the Royal Netherlands Navy in 1953 and the last in 1954.As built the ships were equipped with a W Mk 3 mod 1 mechanical sweep and either a A X Mk 6B or A X Mk 4V acoustic sweeper. Furthermore, it had a double machine gun of 20 mm. Later, in the 1960s and 1970s, the ships got equipped with a MB 5 magnetic sweeper.
Ships in class
The ships were named after the smaller Dutch municipalities that started with the letter B.| Ship | Pennant No. | Laid down | Launched | Commissioned | Decommissioned |
| M845 | 30 November 1951 | 24 September 1952 | 17 July 1953 | 14 August 1974 | |
| M846 | 8 October 1951 | 5 November 1952 | 5 November 1953 | 18 September 1972 | |
| M847 | 14 December 1951 | 29 October 1952 | 28 August 1953 | 1 July 1976 | |
| M848 | 29 October 1951 | 14 February 1953 | 26 April 1954 | 13 August 1975 | |
| M849 | 29 December 1951 | 26 November 1952 | 20 October 1953 | 14 August 1974 | |
| M850 | 29 January 1952 | 7 January 1953 | 3 December 1953 | 13 August 1975 | |
| M851 | 29 February 1952 | 31 December 1952 | 23 February 1954 | 14 August 1976 | |
| M852 | 29 February 1952 | 12 March 1953 | 15 February 1954 | 18 September 1972 | |
| M853 | 29 September 1952 | 31 October 1953 | 26 May 1954 | 1 July 1976 | |
| M854 | 11 December 1952 | 17 October 1953 | 29 December 1954 | 13 August 1975 | |
| M855 | 29 April 1952 | 11 April 1953 | 21 April 1954 | 1 July 1976 | |
| M856 | 29 February 1952 | 31 December 1952 | 21 January 1954 | 18 September 1972 | |
| M857 | 1 May 1952 | 12 September 1953 | 28 July 1954 | 1 July 1976 | |
| M858 | 7 May 1952 | 19 April 1954 | 3 November 1954 | 2 July 1973 |