Hielperen (or Hjelperen) (literally: the Helper)[1] was a 16-gun defence frigate in the Royal Dano-Norwegian Navy.

Commissioned in 1787, she took part in the Battle of Copenhagen on 2 April 1801 against the British Royal Navy.

[2] The ship took a severe beating but the crew managed to cut the ship's cables and escape to the safety of Copenhagen Harbour.

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