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The Alcântara Dock, with the container quay and the 25 de Abril Bridge in the background, in 2020. Lopo Pizarro, CC BY-SA 4.0

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A long dock of still water seen from above, with moored boats, cranes and containers on the left, a marina in the background and the suspension bridge crossing the horizon.
The Alcântara Dock, with the container quay and the 25 de Abril Bridge in the background, in 2020. Lopo Pizarro, CC BY-SA 4.0

Estrela (segundo o OpenStreetMap)

Doca de Alcântara (the attack on the freighter “Cunene”)

The first action of the ARA, the armed wing of the PCP: on the night of 26 October 1970, explosive charges blew a hole in the freighter “Cunene”, which carried weapons and supplies for the colonial war and was left “flooded and immobilised in the Alcântara dock”.

Today: Doca de AlcântaraApproximate location
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History

Armed Revolutionary Action (ARA) was the armed wing of the Portuguese Communist Party, active from 1970 to 1973, to fight against the colonial war, overthrow the dictatorship and win freedom. Its first action, studied and decided on in the central command by Jaime Serra, Francisco Miguel and Raimundo Narciso, targeted the freighter Cunene, which supplied the colonial troops with weapons and other goods.1 Among the group that set up the ARA, in 1970, was Maria Machado, who took part in preparing several actions; the Aljube Museum does not say which.3

Jaime Serra, of the central command, told the story of the operation in a book published in 1999. Gabriel Pedro — an old communist activist who had spent years in prison at Tarrafal and had come back clandestinely from France — took a boat out of the Poço do Bispo dock; with Carlos Coutinho, who was in charge of the action, he rowed for hours down the river, with fishing tackle as a disguise, evading a Maritime Police launch. Alongside the Cunene, they attached to the hull, half a metre below the waterline, two magnetic charges set to go off at four in the morning, and got away by jumping from boat to boat to the quay.4 Serra places the ship at the Rocha do Conde de Óbidos quay; O Século of 27 October, which he himself quotes, says it was “moored at the north wall of the Alcântara dock” — the location also given by the ARA communiqué, and the one followed here. According to Wikipedia, the original target was the liner Vera Cruz, which Serra does not mention.42

The ARA communiqué, dated 26 October, announced that the 16,000-ton Cunene, “used to feed the colonial war”, had been left “flooded and immobilised in the Alcântara dock, in Lisbon, with a large hole”.12 The next day, the newspapers reported the explosions: according to O Século (The Century), the first came before five in the morning and the second a few minutes later, and they woke thousands of people in Alcântara; the crew managed to pump out the water with the ship’s own pumps.4 The captain put them down to “a diesel pipe or gases in the hold”.2

Other actions followed: the destruction, in the port of Lisbon, of equipment bound for the colonial army; that of the cultural centre of the United States embassy; that of the helicopter fleet at the Tancos air base; the cutting of radio-telegraph and telephone communications; and the destruction of part of the NATO headquarters in Oeiras.1

Notes on the sources1
  • Whether the liner “Vera Cruz” was the original target, and the “Cunene” captain’s remark about “a diesel pipe”, have only been read in Wikipedia; Jaime Serra’s account does not mention them.

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Sources4
  1. 1Primeira ação da Acção Revolucionária Armada (ARA). Museu do Aljube Resistência e Liberdade (EGEAC) — consulted on 2 October 2026
  2. 2Ação Revolucionária Armada. Wikipédia — consulted on 2 October 2026
  3. 3Maria Machado (testemunho e biografia). Museu do Aljube Resistência e Liberdade (EGEAC) — consulted on 3 October 2026Testemunho recolhido a 21 de outubro de 2020.
  4. 4Jaime Serra, As acções da ARA e a sua repercussão política (do cap. IV de «As explosões que abalaram o fascismo», Edições Avante!, 1999). O Militante, n.º 240 (maio–junho de 1999), Partido Comunista Português, 1999 — consulted on 4 October 2026Relato de um dos membros do comando central da ARA — Gabriel Pedro e Carlos Coutinho saíram num bote da doca do Poço do Bispo e puseram no «Cunene» (que Serra situa no cais da Rocha do Conde de Óbidos) duas cargas magnéticas para as 4h00; cita «O Século» de 27/10/1970, que dá o navio «atracado na muralha norte da doca de Alcântara» e a primeira explosão antes das cinco.

Coordinates: OpenStreetMap (Nominatim), consultado a 2 de outubro de 2026.

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