BATTLE // May 30, 1781
Action of 30 May 1781
Overview
The action of 30 May 1781, also known as the Battle of Cape St Mary was a naval battle fought between two Royal Navy frigates and two Dutch States Navy frigates off the Cabo de Santa Maria. In a battle lasting more than two hours, Captain William Peere Williams-Freeman of the 36-gun Flora, compelled Captain Pieter Melvill van Carnbee's 36-gun Castor to strike his colours. Shortly after, Captain Gerardus Oorthuys of the 36-gun Den Briel compelled Thomas Pakenham to strike the 28-gun Crescent. However, Flora came to Crescent's rescue before Oorthuys could board her, and forced him to retreat.
Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.
Significance
The action off Cabo de Santa Maria on 30 May 1781 was a frigate engagement fought during the Fourth Anglo-Dutch War, pitting two Royal Navy frigates against two Dutch States Navy frigates. The battle produced an ambiguous outcome: the British frigate Flora compelled the Dutch Castor to strike her colours, while the Dutch Den Briel forced the smaller British Crescent to surrender. The result was effectively reversed when Flora intervened to drive off Den Briel before the Dutch could board Crescent, leaving neither side with a clean prize from the other's principal vessel. The engagement illustrates the close and contested nature of single-ship and small-squadron actions that characterized the Fourth Anglo-Dutch War, a conflict in which neither navy held consistent dominance at the frigate level.
Tactics
Two British frigates, Flora (36 guns) and Crescent (28 guns), engaged two Dutch frigates, Castor (36 guns) and Den Briel (36 guns), in a battle lasting more than two hours. Flora succeeded in compelling Castor to strike her colours. Separately, Den Briel forced the lighter Crescent to surrender. Before Den Briel's captain, Oorthuys, could board the stricken Crescent, Flora disengaged from or concluded her action with Castor and came to Crescent's rescue, compelling Oorthuys to retreat.
Commanders (4)
Dutch Republic

- Pieter Melvill
vice admiral
Great Britain
- Thomas Pakenham
admiral
William FreemanAdmiral of the Fleet
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