Algerine displaced 850LT at standard load and 1125LT at deep load. The ship had an overall length of 225feet, a beam of 35feet and a draught of 8feet. She was powered by Parsons geared steam turbines, driving two shafts, which gave a maximum speed of 16.5kn.
The ship mounted one single 4-inch (102 mm) Mk V gun. Algerine had four single mounts for 20mm Oerlikon 20 mm autocannon, and she was fitted with two depth charge rails, and four depth charge throwers.
Algerine was laid down on 15 March 1941, by Harland & Wolff, Belfast, and launched on 22 December 1941. She was the eighth ship of the Royal Navy to be named .[1] After being completed, the ship was commissioned on 24 March 1942, and adopted by Sittingbourne due to a Warship Week campaign.
Algerine joined the 9th Minesweeping Flotilla in May 1942 and began action in minesweeping, escorting, and patrolling duties on the east side of England. She was proposed as leader for the 12th Minesweeping Flotilla, which would participate in action abroad. Her sister ships from the 9th Flotilla, and, joined her, as did, and . In October, she was put forward to go to the Mediterranean to assist Operation Torch, but her departure was delayed due to repair work. The other four ships in her flotilla left for Gibraltar as escorts to a convoy. Four days after the other ships left, Algerine escorted convoy KMF1 to Oran.
In early November, she helped recover the escort destroyer off Algiers after Cowdray was damaged by an aerial attack. On 15 November, Algerine and Alarm were positioned off Bougie, clearing mines. The mission had been successful, with 46 mines cleared; but, Algerine was torpedoed by the Italian, commanded by Lieutenant commander Rino Erler. The submarine had first fired two torpedoes at the middle ship in the trio, then fired another two torpedoes at the last ship, Algerine: Algerine suffered heavy casualties and sank. The auxiliary anti-aircraft ship rescued 32 men, of whom only 8 survived, internal wounds killing 24. The survivors had been on a Carley raft.[2] The final death toll was 84.[3]
Algerines wreck lies at 1100feet[4] on the northern coast of Algeria.