NMS Sublocotenent Ghiculescu was a specialized ASW gunboat of the Romanian Navy. Initially built as a French warship in late World War I, she was purchased by Romania in 1920 and fought during World War II, sinking two submarines and one motor torpedo boat. After 1 year of Soviet service, she was returned to Romania and served as a survey vessel until 2002.

Construction and specifications Sublocotenent Ghiculescu was a gunboat of the French Friponne class. She was built at Arsenal de Brest, being launched in 1917 and commissioned by the French Navy as Mignonne in 1918. She was sold to Romania in January 1920. Like her sisters, the gunboat displaced between 344 and 443 tons, measuring 62.1 meters in length, with a beam of 7 meters and a deep-load draught of 2.9 meters. Power plant consisted of two Sulzer diesel engines powering two shafts, resulting in an output of 900 hp which gave her a top speed of 15 knots. She had a range of 3,000 nautical miles at 10 knots and 1,600 nautical miles at 15 knots. She was armed with two 100 mm naval guns and two 400 mm depth-charge throwers, her crew amounting to 50.Е. Е. Шведе, Военные флоты 1939–1940 гг., Рипол Классик, 2013, pp. 118–119 (in Russian)Frederick Thomas Jane, The World's Warships, S. Low, Marston, 1948, p. 86Frederick Thomas Jane, Jane's Fighting Ships, Marston, limited, 1959, p. 287Robert Gardiner, Conway's All the World's Fighting Ships 1922–1946, Naval Institute Press, 1980, p. 361

Service During World War II, her armament was increased. Her two 100 mm naval guns were supplemented by four 20 mm anti-aircraft guns.Janusz Piekałkiewicz, Sea War, 1939–1945, Historical Times, 1987, p. 350 She also retained her two 400 mm depth charge throwers.Е. Е. Шведе, Военные флоты 1939–1940 гг., Рипол Классик, 2013, p. 119 (in Russian) She had 3 identical sisters which also served during the war: Dumitrescu, Stihi and Lepri Remus.Earl Thomas Allnutt Brassey, Praeger Publishers, 1941, Brassey's Annual: The Armed Forces Year-book, p. 268 Lepri Remus was fitted with mine rails and converted to minelayer.Antony Preston, Conway Maritime Press, 2001, Warship 2001–2002, p. 88

She escorted a total of 17 Axis convoys in the Black Sea.Jipa Rotaru, Ioan Damaschin, Glorie și dramă: Marina Regală Română, 1940–1945, Ion Cristoiu Publishing, 2000, pp. 267–274

On 1 October 1942, the Soviet M-class submarine M-118 attacked and sank the German transport ship Salzburg, which was carrying on board 2,000 Soviet prisoners of war. After attacking, the submarine was located by a German BV138C flying boat, and Sublocotenent Ghiculescu together with sister ship Stihi Eugen were sent to the scene. The two Romanian gunboats attacked the Soviet submarine with depth-charges, sinking her with all hands.Antony Preston, Warship 2001–2002, p. 79Donald A Bertke, Gordon Smith, Don Kindell, World War II Sea War, Vol 7: The Allies Strike Back p. 179Mikhail Monakov, Jurgen Rohwer, Stalin's Ocean-going Fleet: Soviet Naval Strategy and Shipbuilding Programs 1935–1953, p. 266

On 18 April 1944, during the evacuation of the Crimea, the Soviet Leninets-class submarine L-6 was sunk with depth charges near Sevastopol by the Sublocotenent Ghiculescu, aided by the German submarine chaser UJ-104.Jipa Rotaru, Ioan Damaschin, Glorie și dramă: Marina Regală Română, 1940–1945, Ion Cristoiu Publishing, 2000, p. 139Nicolae Koslinski, Raymond Stănescu, Marina română in al doilea război mondial: 1944–1945, Făt-Frumos Publishing, 1996, p. 364

During the night of 27 April, a convoy escorted by the Romanian gunboat Sublocotenent Ghiculescu, the German submarine hunter UJ-115, one R-boat, two KFK naval trawlers and 19 MFPs (including the Romanian PTA-404 and PTA-406) engaged the Soviet G-5-class motor torpedo boats TKA-332, TKA-343 and TKA-344, after the three attacked and damaged the German submarine hunter UJ-104. Ghiculescu opened fire with starshell rounds, enabling the entire escort group to locate the two Soviet MTBs and open fire. TKA-332 was hit and sunk.Jipa Rotaru, Ioan Damaschin, Glorie și dramă: Marina Regală Română, 1940–1945, Ion Cristoiu Publishing, 2000, pp. 141–142Nicolae Koslinski, Raymond Stănescu, Marina română in al doilea război mondial: 1942–1944, Făt Frumos Publishing, 1997

She was captured by Soviet forces in September 1944 and was commissioned as Angara. In October 1945, she was returned to Romania and served as a survey vessel until 2002.

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