HDMS Sarpen was a brig of the Royal Dano-Norwegian Navy, in which she served from 1791 until the British seized her in 1807.
On his return to Malta from Tripoli, De Holck, performed his quarantine of 38 days at the Lazzaretto in Marsamuscietto, together with Lieut.
In acknowledgement of the kind treatment they had received, De Holck set up a commemorative marble tablet on 10 October 1797.
During the battle of Copenhagen in 1801, Sarpen was under the command of Captain Lieutenant Carl Farbriuis de Tengnagel.
She served in Olfert Fischer's division in the Inner Run under Chamberlain Steen Bille and did not engage in any actual fighting.
In early May Gibson boarded a vessel with an English license and found out from the Master information about the size and status of the French fleet at Terneuzen.
Gibson interrogated the prisoners from whom he learned that the French were stringing a chain across the river at Antwerp to prevent an attack by fire ships.