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Battle of Cape Passero (1940)
Part of the Mediterranean Theater of World War II
HMS Ajax.jpg
British light cruiser HMS Ajax.
Date October 12, 1940
Location Mediterranean, southeast of Sicily
Result British victory
United Kingdom United Kingdom Italy Kingdom of Italy
United Kingdom Captain E. D. B. McCarthy Italy Captain Carlo Margottini 
2 cruisers 4 destroyers
3 torpedo boats
Casualties and losses
1 cruiser damaged
13 dead
1 destroyer sunk
2 torpedo boats sunk
1 destroyer damaged
around 200 dead

The Battle of Cape Passero (1940), was a Second World War naval engagement between the British light cruiser HMS Ajax and seven torpedo boats and destroyers of the Regia Marina, southeast of Sicily, in the early hours of October 12, 1940. It took place in the aftermath of a British supply operation to Malta.



In October 1940, the Mediterranean Fleet mounted a resupply operation to Malta from Alexandria, designated MB6. The convoy had four cargo ships escorted by two antiaircraft cruisers and four destroyers. The screening force was led by Admiral Cunningham's flagship, HMS Warspite, and included three other battleships, two aircraft carriers, six cruisers, and sixteen destroyers. The only remarkable incident during the convoy was damage to HMS Imperial when she ran into a minefield. The merchantmen reached their destination on 11 October. Until then, bad weather had prevented the intervention of the Italian Fleet. An aircraft spotted the returning ships shortly after they had left Malta. HMS Ajax, meanwhile, was detached from the other cruisers for a scouting mission.[1]

The engagement

The Italian commander, Admiral Inigo Campioni, ordered a force of destroyers to Cape Bon, in case the British warships were going to Gibraltar. In Campioni's view, it was too late for the Italian battleships and cruisers to operate against the convoy. A flotilla of four destroyers and three torpedo boats were, at the same time, patrolling between 35° 45’ N and 35° 25'N,[2] at about 3 nautical miles (5.6 km) apart, in full moonlight.[3 ] The Italian destroyers, all Soldati class, were the Artigliere, Camicia Nera, Aviere, and Geniere. The torpedo boats were the Spica class Ariel, Alcione, and Airone.


Torpedo boat action

At 01:37am, Ajax was sighted by Alcione, steaming eastwards, 19,600 yards (17,900 m; 59,000 ft) away on the port side. At 01:48, the three torpedo boats were closing the British cruiser at full speed. The cruiser was completely unaware of the enemy approach.[4] At 01:57, the Alcione fired two torpedoes from a range of 1,900 yards.[3 ] Captain Banfi, commander of the Italian formation, ordered the flagship Airone to open fire on the enemy with her 3.9-inch (99 mm) guns, followed by her sister ships. Three rounds hit home, two on the bridge and the third 6 feet (1.8 m) below the waterline.[5]

Ajax had realized she was under attack, and opened fire on the nearest torpedo boat, the Ariel, while at full speed. The Ariel was shattered by the salvos and sank 20 minutes later, although she may have been able to fire a torpedo.[6 ] Captain Mario Ruta, his second in command, and most of the crew was killed.[7] The Airone was the next Italian ship to be hit. She managed to launch two torpedoes before she was disabled, catching fire almost immediately, her bridge and upper deck machine-gunned by Ajax at short range.[6 ] She sank a few hours later. Banfi was among the survivors. Then the Alcione, the only Italian warship undamaged, broke contact at 2:03.[7]

Destroyer action

Starboard side view of the Italian Destroyer Artigliere. The ship had been stopped, abandoned and on fire forward after an engagement with the British cruiser HMS Ajax. The Artigliere was sunk by the cruiser HMS York on the following morning.

Meanwhile, after manoeuvering during the fighting, Ajax resumed her course to the eastward. At 02:15, her fire-control radar detected two Italian destroyers, whose commander, Captain Carlo Margottini, had sighted the firing from the south. A radio malfunction had prevented Margottini from attacking in full strength, when three of his destroyers had headed north-west, instead of north as ordered.[8] The Aviere was battered by a sudden broadside from the British cruiser, forestalling a torpedo attack, and was forced to withdraw southwards, heavily damaged.[9] The Artigliere managed to fire a torpedo and three full 4.7-inch (120 mm) gun salvos at 2,800 yards (2,600 m) before being hit and crippled. The torpedo missed, but four rounds struck two of Ajax’s secondary gun turrets and disabled her radar.[10] After unsuccessfully firing at the Camicia Nera, Ajax broke off the action. She had fired 490 rounds of different calibres and four torpedoes. 13 of her ship's company had been killed and more than 20 wounded, while the cruiser required a month of repairs before she returned to active service.[11]

The disabled Artigliere, with her commander and most staff officers killed, was taken in tow by the Camicia Nera. They were surprised at first light by the cruiser HMS York, which drove off the Camicia Nera before sinking the Artigliere. The survivors were rescued the next day by the Italian Navy.[12]


This action had been the Regia Marina’s first experience of the Royal Navy's superior skills and equipment in night actions. The extensive use of starshells, searchlights and incendiary rounds by the Royal Navy had to be countered, before the Italians could close the technical gap. They also suspected the enemy's use of radar, but at this time it was only speculation.[13] They concluded that poor Italian air surveillance had prevented quick reaction by the Italian heavy units, handing the tactical advantage to the British of avoiding contact in unfavourable conditions.[14]


  1. ^ Green & Massignani, page 97.
  2. ^ De la Sierra, page 122.
  3. ^ a b Greene & Massignani, page 97.
  4. ^ De la Sierra, page 123.
  5. ^ De la Sierra, page 124.
  6. ^ a b Greene & Massignani, page 98.
  7. ^ a b De la Sierra, page 125.
  8. ^ De la Sierra, pp. 125-126.
  9. ^ De la Sierra, page 126.
  10. ^ De la Sierra, pp. 126-127.
  11. ^ "".  
  12. ^ Green & Massignani, page 98.
  13. ^ Greene & Massignani, page 99, quotes the Italian memo:

    "Every progress in this field will be of paramount importance and perhaps the most important element to organise will be to co-ordinate the employment of searchlights and flares shells from the outset of the action."

  14. ^ Bragadin, page 40.


  • Bragadin, Marc'Antonio: The Italian Navy in World War II, United States Naval Institute, Annapolis, 1957. ISBN 0405130317.
  • Green, Jack & Massignani, Alessandro: The Naval War in the Mediterranean, 1940-1943, Chatam Publishing, London, 1998. ISBN 1861760574.
  • Sierra, Luis de la: La guerra naval en el Mediterráneo, 1940-1943, Ed. Juventud, Barcelona, 1976. ISBN 84-261-0264-6. (Spanish).

External links

Coordinates: 36°13′19.62″N 15°43′56.71″E / 36.2221167°N 15.7324194°E / 36.2221167; 15.7324194


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