Italian auxiliary cruiser Barletta

Barletta

Company type	Cargo liner, Auxiliary cruiser
Industry	Maritime transport, Naval service
Founded	1931
Headquarters	Bari , Italy
Products	Passenger and cargo transport, Naval escort, Minelaying

Barletta was an Italian cargo liner constructed in the 1930s that subsequently served as an auxiliary cruiser for the Regia Marina (Royal Navy) during World War II.

History

The vessel was built from March to November 1931 at the Cantieri Riuniti dell'Adriatico shipyard in Monfalcone (construction and assembly number 248, completion number 208), alongside sister ships such as Adriatico, Brindisi, Brioni, Zara, Lero, and Monte Gargano. Initially designed as a mixed motor ship, it measured Template:GRT with a net tonnage of 1069. The cargo capacity comprised four holds totaling 1,722 cubic metres (60,800 cu ft), supporting a deadweight tonnage of approximately 1231 (sources vary between 1220 and 1240) tons. Passenger accommodations could host up to 82 individuals, though alternate records cite capacities of 68 or a breakdown of 22 first-class, 24 second-class, and 22 third-class passengers. Propulsion was provided by two FIAT diesel engines delivering a combined output of 3,300 metric horsepower (2,400 kW) (with other references indicating between 2,200 and 2,800 CV), consuming around 11.5 tons of fuel daily from a total reserve of 1250 tons. These engines powered two propellers (some sources mention only one), enabling speeds near 14.5 knots (26.9 km/h; 16.7 mph), though figures range from 14 to 15.8 knots.

Civilian career

Initially registered under serial number 57 at the Maritime Compartment of Bari, Barletta belonged to the Puglia Società anonima di Navigazione a Vapore, headquartered in Bari. On 21 March 1932, this company merged with several other Adriatic maritime firms to form the San Marco Navigation Company based in Venice, which was renamed on 4 April that year to Compagnia Adriatica di Navigazione. Subsequently, on 1 January 1937, it adopted its final name, Adriatica Società Anonima di Navigazione, with Barletta remaining within this evolving fleet.

During its early operational years, the ship serviced line number 42, facilitating passenger and cargo transport along the Italian Adriatic coast, extending to Dalmatia and Albania.

The vessel continued under Adriatica's management until requisition by the Regia Marina in 1936, when it was outfitted as an auxiliary cruiser. Some accounts suggest this civilian service persisted until 7 March 1937. On 20 April that year, Barletta was assigned to patrol duties off Palma de Mallorca, monitoring the Iberian coastline amid the Spanish Civil War, alternating patrol shifts with its sister ship Adriatico.Template:Fix/category While moored in Majorca on 24 May, the vessel sustained damage from an air raid conducted by the Republican Air Force, resulting in six fatalities and three injuries.

Following this attack, at the end of May, it was escorted to La Spezia, arriving on the 28th for necessary repairs. In August, it operated under the pseudonym Rio and flew a Spanish flag while stationed near Favignana, tasked with blocking supply ships supporting Spanish Republican forces from passing through the Strait of Sicily.

During this mission on 31 August 1937, departing her patrol zone temporarily, Barletta/Rio intercepted and seized the British-flagged Greek oil tanker SS Burlington north of the Strait of Messina, subsequently handing it over to Francoist naval units. Patrol operations in the Sicilian channel concluded on 21 September, after which from 10 November she was stationed at Tobruk overseeing Republican maritime traffic in the eastern Mediterranean basin. Throughout the Spanish conflict, she completed four surveillance and interception assignments.

In 1938, ownership reverted to Adriatica company control and she resumed commercial operations on lines numbered 43 and 43 B connecting Venice, Bari, Rhodes, and Smyrna, as well as various ports across Greece, Albania, and Turkey.

Between January and March of 1939, Barletta was again requisitioned or chartered by the Regia Marina for transport missions supporting Spain. Over six voyages—three from La Spezia to Cadiz and three from Genoa to Barcelona—she transported a total of 857 personnel alongside approximately 2172 tons of supplies intended for civilians.

After resuming passenger and cargo services on 25 March 1939 briefly, she was once more requisitioned on 6 April for naval duties. Departing from Brindisi towards Durazzo, she served as a command vessel during operations related to Albania’s occupation.

On 2 August that year, she returned to commercial service operating along the route Venice-Trieste-Brindisi-Bari-Lero-Calino-Coo-Rodi-Alessandria of Egypt.

1940

On 12 May 1940, while docked in Durazzo, the Barletta was once more requisitioned by the Regia Marina. On that same day, it was registered as an auxiliary naval vessel under the designation D 16 and underwent modifications to serve as an auxiliary cruiser. Its armament was upgraded to include two 102 mm (4 in) /45 Mod. 1917 guns, four 13.2 mm (0.52 in) machine guns, and equipment for deploying and transporting 60 mines. The ship was assigned the code name Berlina.

Following the completion of its refit on 6 June 1940, the vessel was deployed as a minelayer, conducting mine-laying operations near Gallipoli, Santa Maria di Leuca, and Durazzo. When Italy entered the Second World War on 10 June, the Barletta was incorporated as a minelayer into the Gruppo Navi Ausiliarie Dipartimentali del Dipartimento Militare Marittimo "Jonio e Basso Adriatico," headquartered in Taranto. Between 6 June and early July, alongside the minelayer Vieste, the aging cruiser Taranto, and the veteran destroyers Carlo Mirabello and Augusto Riboty, Barletta participated in deploying 37 minefields totaling 2,335 mines—including 28 anti-submarine mines—across the Gulf of Taranto, Lower Adriatic, and Albanian waters. On 7 July, after departing Brindisi, it was sent to Libya to lay additional minefields off Benghazi and Tripoli, returning to Italy by 12 August. During these missions, particularly near Tobruk, the ship collaborated with destroyers Turbine, Nembo, Euro, and Aquilone to establish 14 minefields comprising a total of 540 mines.

On 20 August, Barletta was assigned to the newly established Commando Superiore Traffico Albania (Maritrafalba), where its role shifted to escorting troop convoys bound for Albania.

Beginning on 5 September 1940, Barletta commenced convoy escort duties; initially operating along the Bari-Durazzo route with occasional missions to Tobruk and Benghazi in North Africa. Subsequently, it also conducted escort operations within Greek and Aegean waters.

On 24 December, departing from Brindisi alongside the torpedo boat Andromeda, Barletta escorted a convoy consisting of the troopships Firenze, Argentina, Italia, and the transport vessel Narenta en route to Vlora. At approximately 12:25, roughly twenty miles from Saseno, the convoy came under attack by the Greek submarine Papanikolis. The submarine launched a torpedo targeting Barletta, which successfully evaded it by executing a swift port turn upon spotting the incoming weapon. However, at 13:20, Firenze was struck by a torpedo from Papanikolis at coordinates 40°34' N and 19°02' E, sinking about twelve miles west-northwest of Saseno. During rescue efforts, Barletta saved 874 survivors while Andromeda rescued an additional 29 out of the total 996 personnel aboard Firenze. The attack resulted in 93 fatalities. Barletta reported minor damage to nine ships amid rescue operations; meanwhile, Firenze, abandoned and adrift, sank during the night of December 24–25.

1941

Following repairs to damage sustained during convoy operations, Barletta re-entered service in January 1941. During that month, she set out on a mission but was involved in an accidental collision with the steamer Merano. On 4 May, she joined an escort group alongside the torpedo boats Aretusa, Altair, and Antares to protect another convoy. Departing from Brindisi, this escort safeguarded the convoy responsible for delivering the Italian expeditionary force to Argostoli on Cefalonia.

In September 1941, Barletta was reassigned to Piraeus, Greece, where her duties included escorting merchant vessels navigating the Aegean Sea. During this timeframe, she also conducted two voyages to Tobruk. Mid-September saw her escorting a convoy from Suda to Piraeus, which comprised the transports Città di Livorno and Città di Marsala along with the destroyers Francesco Crispi and Quintino Sella. On 19 September, en route, the group encountered the British submarine HMS Torbay. At approximately 15:10, Torbay launched a salvo of four torpedoes from around 3,600 m (11,800 ft) away. However, five minutes later, lookouts aboard Crispi detected the torpedo tracks and warned the convoy, enabling them to evade the attack. The destroyers responded with depth charges against Torbay, but without causing any damage.

On the afternoon of 19 October 1941, Barletta departed Piraeus together with the torpedo boats Lupo, Altair, and Monzambano, escorting a convoy of four merchant ships—Città di Agrigento, Città di Marsala, Salzburg, and Tagliamento—bound for Candia. Later that evening at 19:30, while transiting the Saronic Gulf, Altair struck a mine laid eleven days earlier by the British submarine Rorqual. The explosion destroyed her bow and ignited a fire, forcing her to halt. While Barletta and Monzambano continued escorting the remaining convoy vessels, Lupo came alongside to evacuate survivors—124 out of 139 crew members—from Altair. Attempts by Lupo to tow the damaged vessel failed when at 02:47 on 20 October, Altair sank. Earlier on 19 October, the torpedo boat Aldebaran had sailed from Piraeus to assist but was also lost after striking a mine in the same field.

In December 1941, Barletta ran aground west of Euboea in the Gulf of Salonika.Template:Dubious

1942

On 17 January 1942, departing from Piraeus, Barletta escorted a convoy comprising Italian transports Città di Savona and Città di Alessandria, as well as the German ship Livorno, destined for Suda. The escort contingent included torpedo boats Lupo, Cassiopea, and the German minelayer Drache. The following day saw an unsuccessful attack on the convoy by the submarine HMS Porpoise.

Between 2 and 3 July 1942, in cooperation with the German minelayer Bulgaria, Barletta laid mines off Zylakes, Greece. This operation was protected by escorts including torpedo boats Lupo, Cassiopea, and the German destroyer Hermes.

Later, she teamed up with torpedo boats Calatafimi and Monzambano to escort the German transport Wachtfels, which was sunk by a torpedo from submarine HMS Proteus off Crete on 7 August.

On 16 September, employed as a transport vessel carrying gasoline drums, she departed Suda alongside destroyer Nicoloso da Recco, heading for Tobruk in North Africa. The next day saw an unsuccessful attack by British submarine HMS Taku, but Barletta arrived safely at Tobruk later that morning.

Another North African voyage took place between 22 and 23 November when she traveled from Palermo to Bizerta, escorted by torpedo boat Groppo. Shortly before reaching Bizerta, she faced an attack by British submarine HMS Utmost, yet managed to enter harbor without incident before proceeding onward to Tunis.

Between 29 and 30 November, alongside destroyer Antonio da Noli, she laid two segments of minefields designated S 91 and S 92, deploying 172 and 154 mines respectively.

On 12 December 1942, she returned to Taranto. From this Apulian base, she briefly served escort duties for traffic bound to and from Tunisia before undergoing maintenance at Taranto Arsenal.

1943

Following the completion of repairs on 3 April 1943, Barletta resumed operations in the Aegean Sea, undertaking convoy escort duties as well as deploying minefields near Apulia and around the Ionian Islands.

From 19 July to 4 September 1943, amid increasing anticipation of an Anglo-American invasion along the Italian coastline, Barletta collaborated with the auxiliary cruiser Francesco Morosini and the light cruisers Luigi Cadorna and Scipione Africano in laying eleven minefields totaling 1,591 mines within the Gulf of Taranto.

When the Armistice of Cassibile was announced on 3 September, Barletta was stationed in its namesake city, which remained under Italian and Allied control, thereby preventing its capture or destruction.

On 8 October 1943, Barletta participated in the inaugural Italian convoy operating under Allied direction, departing from Augusta en route to Algiers. After completing this mission, she returned to Taranto on 17 October. Subsequently, on 25 October, Barletta was officially removed from the auxiliary state fleet registry.

During the evening of 2 December 1943, while anchored near Bari’s old breakwater, Barletta endured a severe assault starting around 19:15 by approximately fifty Junkers Ju 88 bombers from the Luftwaffe. The attack resulted in between seventeen and twenty-eight vessels being sunk or irreparably damaged, including SS John Harvey, which carried mustard gas bombs that detonated and released hazardous chemicals into the harbor. Initial bomb strikes landed forward of Barletta, igniting a fire near her bow’s ammunition magazine. Around 19:45, multiple bombs struck her sea-facing side. The crew, under the leadership of the chief engineer, fought to contain the flames threatening the bow magazine. However, at 21:15 an explosion from a nearby ship caused further harm. Eventually, the magazine caught fire and detonated, critically damaging Barletta. By approximately 09:00 on 3 December, she capsized onto her side and sank. The attack resulted in forty fatalities and forty-four injuries among her crew.

Postwar

Salvage operations for Barletta, which rested at an angle of 87° in twelve meters of water, commenced in May 1945 and concluded in September 1948.

In October 1948, after being refloated, the wreck was towed to Trieste for reconstruction. By 25 September 1949, she re-entered service as a cargo vessel with a gross tonnage of 1,966 gt, net tonnage of 1,060 gt, deadweight capacity of 1,240 dwt, and accommodation for eighty-two passengers (32 first class, 24 second class, and 26 third class). Regular operations for Adriatica resumed with her inaugural voyage on 1 October 1949 along the Trieste-Venice-Bari-Piraeus-Istanbul-Smirne route.

In 1951 Adriatica S.A. di Navigazione transitioned to Adriatica S.p.A. di Navigazione. By 1956, Barletta was reassigned to a different route including stops at Trieste, Venice, Dalmatia, Piraeus, Heraklion, and Calamata.

The vessel was taken out of active service at Trieste on either 9 or 18 September 1962 and was ultimately scrapped by SIDEMAR in 1965.

Bibliography

• Freivogel, Zvonimir & Rastelli, Achille (2015). Adriatic Naval War 1940–1945. Zagreb: Despot Infinitus. ISBN 978-953-7892-44-9.
• Naval War College Review. Newport: Naval War College. 1990. OCLC 1779130.
• Rohwer, Jürgen (2005). Chronology of the War at Sea 1939–1945 – The Naval History of World War Two. London: Chatham Publishing. ISBN 978-1-59114-119-8.
• Willmott, H. P. (2010). The Last Century of Sea Power: From Washington to Tokyo, 1922–1945. Bloomington: Indiana University Press. ISBN 978-0-253-35214-9.