, 12 January 1904 - Buenos Aires

Buenos Aires

Buenos Aires is the capital and largest city of Argentina, and the second-largest metropolitan area in South America, after São Paulo. It is located on the western shore of the estuary of the Río de la Plata, on the southeastern coast of the South American continent...

, Argentina

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

, 4 June 1974) was a Spanish

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 aviation mechanic.
In 1933, he was the mechanic accompanying Mariano Barberán

Mariano Barberán

Mariano Barberán y Tros de Ilarduya was a Spanish military aviator....

 and Lieutenant

Lieutenant

A lieutenant is a junior commissioned officer in many nations' armed forces. Typically, the rank of lieutenant in naval usage, while still a junior officer rank, is senior to the army rank...

 Joaquín Collar Serra

Joaquín Collar Serra

Joaquín Collar Serra was a Spanish military aviator.In 1933, together with Mariano Barberán y Tros de Ilarduya and Sergeant Modesto Madariaga he flew the Cuatro Vientos a Br.19 TF Super Bidon built specially for this flight, from Spain to Cuba...

 when they flew the Cuatro Vientos

Cuatro Vientos (aircraft)

The Cuatro Vientos was a specially built Br.19 TF Super Bidon which Mariano Barberán y Tros de Ilarduya, Lieutenant Joaquín Collar Serra and Sergeant Modesto Madariaga flew in 1933 from Spain to Cuba...

, a Br.19 TF Super Bidon built ​​specially for this flight, from Spain

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 to Cuba

Cuba

The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...

. The flight, which took 39 hours and 55 minutes, departed Seville

Seville

Seville is the artistic, historic, cultural, and financial capital of southern Spain. It is the capital of the autonomous community of Andalusia and of the province of Seville. It is situated on the plain of the River Guadalquivir, with an average elevation of above sea level...

 on at 4:40 on 10 June 1933 and arrived in Camagüey

Camagüey

Camagüey is a city and municipality in central Cuba and is the nation's third largest city. It is the capital of the Camagüey Province.After almost continuous attacks from pirates the original city was moved inland in 1528.The new city was built with a confusing lay-out of winding alleys that made...

 at 20:45 (local time) on 11 June 1933, after a flight of 7320 km.

The plane departed for Mexico City

Mexico City

Mexico City is the Federal District , capital of Mexico and seat of the federal powers of the Mexican Union. It is a federal entity within Mexico which is not part of any one of the 31 Mexican states but belongs to the federation as a whole...

 on 20 June 1933, without Madariaga on board and disappeared in flight, being last sighted in the vicinity of Villahermosa

Villahermosa

Like most of the Tabasco, Villahermosa has a tropical climate. The city specifically features a tropical monsoon climate. Temperatures during spring and summer seasons reach upwards of 40°C , with humidity levels hovering around 30% during the same period...

, Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

. No trace of the plane or of its occupants was subsequently found..