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O Terminal 1 do Aeroporto Humberto Delgado, na Portela, em 2021. Sharon Hahn Darlin, CC BY 2.0

Lisbon Airport (Portela)

Edifício de aeroporto com uma torre cilíndrica envidraçada e fachadas de pedra clara, com o logótipo «ana», diante de uma via de acesso, sob céu azul.
O Terminal 1 do Aeroporto Humberto Delgado, na Portela, em 2021. Sharon Hahn Darlin, CC BY 2.0

Olivais

Lisbon Airport (Portela)

In the early hours of 25 April, the Armed Forces Movement (MFA) occupied Portela airport and closed the airspace. From here Caetano and Tomás left for Funchal, and here, on 30 April, Álvaro Cunhal and Conceição Matos arrived from exile on the “Freedom plane”.

Today: Humberto Delgado AirportApproximate locationOn one walk
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On 20 December 1953, returning from a meeting of the World Peace Council, Maria Lamas was arrested by the PIDE at the airport, and with her some fifty people who had come to meet her — among them the painter Maria Keil and her husband, the architect Francisco Keil do Amaral, Sofia Dias Coelho, Antónia Lapa and Maria Machado.7 Almost twenty years later, on 26 November 1972, it was the turn of Maria Antónia Fiadeiro: she was returning from exile in Brazil with her children, was arrested here and taken to Caxias, where she was held for a month.89

In the operations plan of the Armed Forces Movement (MFA), the airport was a target to be occupied: it was necessary to cut communications with the outside world and to prevent regime officials from fleeing and reinforcements from arriving by air.1 About two hundred soldiers of the Infantry Practical School in Mafra, commanded by Captain Rui Rodrigues, arrived before dawn; Air Force Captain José Costa Martins was already inside. The Public Security Police (PSP), the Fiscal Guard and the DGS were disarmed and detained, and Costa Martins went up to the control tower with armed men to have Portuguese airspace closed and traffic diverted to Madrid and Las Palmas.2 At 04:25, Rui Rodrigues reported to the Command Post: “NEW YORK has been occupied and is under control” (NOVA IORQUE foi ocupada e encontra-se sob controlo). With the airport taken, the order could be given to read the MFA’s first communiqué on Rádio Clube Português.12

In the late afternoon, the Mafra force left here for RAL 1, where it freed the officers held since 16 March. At 23:00 two companies of paratroopers from Tancos landed: one relieved the exhausted soldiers of the Infantry Practical School; the other went on to Caxias Fort. On the morning of the 26th, at around 07:00, Américo Tomás and Marcelo Caetano, with the former ministers Silva Cunha and Moreira Baptista, boarded an Air Force plane here for Funchal, where they were kept under surveillance.2

On 30 April, Álvaro Cunhal, general secretary of the Portuguese Communist Party (PCP), arrived at Portela airport after 14 years in exile.43 An emotional crowd was waiting for him; Mário Soares stood a few metres from the plane, waiting to embrace him, and Cunhal spoke to the crowd from the top of a Chaimite armoured car.3 On the same plane, the “Freedom plane” (avião da Liberdade), came Conceição Matos and Domingos Abrantes, who had left clandestinely for Paris in February.10

On 11 March 1975, during the Spinolist coup attempt, the Continental Operations Command (COPCON) occupied the airport.6 Since 15 May 2016, the airport has borne the name of Humberto Delgado, in tribute to the general who fought the dictatorship and helped to create Portuguese commercial aviation and TAP.11

On the walks

From the archives

In other archives

These can only be viewed on each archive’s own website.

Where it is

Map showing where Lisbon Airport (Portela) is.

Lisbon Airport (Portela)Alameda das Comunidades Portuguesas, 1700-111 Lisboa

Dates

  1. 20 December 1953

    Maria Lamas is arrested by the PIDE at the airport on her return from abroad.

  2. 26 November 1972

    Maria Antónia Fiadeiro is arrested on arrival from Brazil.

  3. 25 April 1974, 04:25

    “NEW YORK has been occupied”: the MFA controls the airport and closes the airspace.

  4. 25 April 1974, 23:00

    Two companies of paratroopers from Tancos land.

  5. 26 April 1974, 07:00

    Américo Tomás, Marcelo Caetano and two former ministers leave for Funchal.

  6. 30 April 1974

    Álvaro Cunhal, Conceição Matos and Domingos Abrantes arrive from exile.

  7. 11 March 1975

    COPCON occupies the airport during the coup attempt.

  8. 15 May 2016

    The airport is renamed Humberto Delgado.

  9. Aug 1975

    A «ponte aérea» traz de Angola mais de 228 mil pessoas

People connected with this place

Nearby

  • 1.5 km · 20 min on foot

    Barracks of Light Artillery Regiment No. 1 (RAL 1, later RALIS)

    The Light Artillery No. 1 barracks, at the entrance to the Autoestrada do Norte motorway, was attacked on 11 March 1975 by aircraft and paratroopers in the coup attempt by Spínola’s supporters; the soldier Joaquim Carvalho Luís was killed. The dialogue between the two captains, filmed by RTP, became famous.

    Revolution
  • 3 km · 45 min on foot

    RTP studios in Lumiar

    The former RTP studios in Lumiar were occupied in the early hours of 25 April 1974 by a column from the Military Administration Practical School. It was from here that the National Salvation Junta presented itself to the country, in the early hours of the 26th.

    Revolution
  • 3.4 km · 50 min on foot

    FNAT Stadium (renamed Estádio 1.º de Maio)

    Today: Estádio 1.º de Maio

    On the first May Day in freedom, a week after the revolution, the Lisbon march ended in a rally at this FNAT stadium, which that day was renamed Estádio 1.º de Maio (May Day Stadium). At the rally, Mário Soares embraced Álvaro Cunhal.

    LabourRevolution
  • 3.8 km · 55 min on foot

    Cidade Universitária de Lisboa (University Stadium and faculties)

    Today: Cidade Universitária – University of Lisbon

    The 1962 academic crisis began here: when Students’ Day was banned, on 24 March, the riot police charged the students. At the general assemblies that followed, Isabel do Carmo was the first woman to take the floor.

    StudentsRepressionWomen
Notes on the sources4
  • That the airport where Maria Lamas was arrested in 1953 is Lisbon’s: the Democratic Women’s Movement writes only “at the Airport”.
  • That Maria Antónia Fiadeiro was arrested at Lisbon airport: Wikipedia says “at the airport”; the Commission for Citizenship and Gender Equality (CIG) says only that she was arrested in 1972, as she was returning from Brazil.
  • The time at which the airport was under control in the early hours of 25 April: 04:00 (Commemorative Commission) or 04:25, the time of the message to the Command Post (25 April Association).
  • The time at which the “Freedom plane” landed on 30 April 1974.

Do you know more, or do you have a document? Tell us.

Sources

  1. 1Aeroporto de Lisboa (Lugares de Abril). Associação 25 de Abril — consulted on 2 October 2026
  2. 2Movimentações do dia 25 de Abril. Associação 25 de Abril — consulted on 2 October 2026
  3. 3Operação Viragem Histórica. Comissão Comemorativa 50 Anos 25 de Abril — consulted on 2 October 2026
  4. 4O regresso dos exilados. Associação 25 de Abril — consulted on 2 October 2026
  5. 5A chegada de Álvaro Cunhal do exílio. RTP Ensina — consulted on 2 October 2026
  6. 6RAL 1 – Lisboa. RTP – Memórias da Revolução (textos de Aniceto Afonso, Carlos Matos Gomes e Maria Inácia Rezola) — consulted on 2 October 2026
  7. 7Maria Lamas. MDM – Movimento Democrático de Mulheres — consulted on 2 October 2026
  8. 8Maria Antónia Fiadeiro. Wikipédia (português) — consulted on 2 October 2026
  9. 9Mulheres pela Igualdade (biografias). CIG – Comissão para a Cidadania e a Igualdade de Género — consulted on 2 October 2026
  10. 10Domingos Abrantes e Maria da Conceição Matos (testemunho e biografia). Museu do Aljube Resistência e Liberdade — consulted on 2 October 2026
  11. 11Aeroporto de Lisboa passa a chamar-se Humberto Delgado no dia 15. XXI Governo Constitucional – República Portuguesa, 2016 — consulted on 3 October 2026

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