Dieudonné Costes (14 November 1892 – 18 May 1973) was a French
fighter ace
A flying ace, fighter ace or air ace is a military aviation, military aviator credited with shooting down a certain minimum number of enemy aircraft during aerial combat; the exact number of aerial victories required to officially qualify as an ...
during
World War I
World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
, and later distance records-breaking aviator.
Early life and military service
Costes was born in
Septfonds,
Tarn-et-Garonne
Tarn-et-Garonne (; ) is a Departments of France, department in the Occitania (administrative region), Occitania Regions of France, region in Southern France. It is traversed by the rivers Tarn (river), Tarn and Garonne, from which it takes its n ...
. He received a pilot diploma (''brevet'') on 26 September 1912. During World War I, he served in the French Air Service, in MF55 and MF85
Farman squadrons, then in N506, N507 and N531 fighter
Nieuport
Nieuport, later Nieuport-Delage, was a French aeroplane company that primarily built racing aircraft before World War I and fighter aircraft during World War I and between the wars.
History
Beginnings
Originally formed as Nieuport-Duplex in ...
squadrons, on the
Balkan
The Balkans ( , ), corresponding partially with the Balkan Peninsula, is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains that stretch throug ...
front. He scored 9 victories (6 confirmed) there, the first in April 1917, the rest in January–September 1918. He ended the war as a
2nd Lieutenant. .
After the war, he flew in civil aviation, starting with
Latecoere in 1920, on the
Toulouse
Toulouse (, ; ; ) is a city in southern France, the Prefectures in France, prefecture of the Haute-Garonne department and of the Occitania (administrative region), Occitania region. The city is on the banks of the Garonne, River Garonne, from ...
-
Casablanca
Casablanca (, ) is the largest city in Morocco and the country's economic and business centre. Located on the Atlantic Ocean, Atlantic coast of the Chaouia (Morocco), Chaouia plain in the central-western part of Morocco, the city has a populatio ...
mail route, then flying on the Bordeaux-Paris route in 1921 and on the Paris-London route in Air Union airlines in 1923. From 1925, he became a test pilot in
Breguet works. He then started to perform long-distance and record breaking flights with
Breguet 19 aircraft.
He was married to the actress Mary Costes (née Princess Vatchnadze).
Long-distance flights
On 26 September 1926, he flew 4,100 km (2,546 miles) from Paris to
Assuan, with René de Vitrolles, attempting to break a world distance record. He broke the world distance record on 28 October 1926, flying 5,396 km (3,351 miles) from Paris to
Jask,
Persia
Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort ...
, with J. Rignot, as part of a 19,625-km (12,187-mile) Paris-India-Paris flight.
Between 10 October 1927 and 14 April 1928, Costes and
Joseph Le Brix flew 57,410 km (35,652 miles) around the world, in a
Breguet 19GR named ''
Nungesser-Coli'', from
Paris
Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
through
Argentina
Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...
,
Brazil
Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
, the
United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
,
Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
,
India
India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
, and
Greece
Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...
, although they travelled across the
Pacific Ocean
The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...
from
San Francisco
San Francisco, officially the City and County of San Francisco, is a commercial, Financial District, San Francisco, financial, and Culture of San Francisco, cultural center of Northern California. With a population of 827,526 residents as of ...
,
California
California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
, to
Tokyo
Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...
, Japan, by ship. During the trip, they made the first non-stop aerial crossing of the
South Atlantic Ocean
The Atlantic Ocean is the second largest of the world's five borders of the oceans, oceanic divisions, with an area of about . It covers approximately 17% of Earth#Surface, Earth's surface and about 24% of its water surface area. During the ...
on 14–15 October 1927, flying between
Saint-Louis,
Senegal
Senegal, officially the Republic of Senegal, is the westernmost country in West Africa, situated on the Atlantic Ocean coastline. It borders Mauritania to Mauritania–Senegal border, the north, Mali to Mali–Senegal border, the east, Guinea t ...
, and
Natal, Brazil. While in
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...
, they routed themselves through every country in the continent. On 15–17 December 1928, Costes, with
Paul Codos, set a world distance record in a closed circuit of 8,029 km (4,986 miles).
On 13 July 1929, Costes and
Maurice Bellonte made an attempt at crossing the
North Atlantic Ocean
The Atlantic Ocean is the second largest of the world's five oceanic divisions, with an area of about . It covers approximately 17% of Earth's surface and about 24% of its water surface area. During the Age of Discovery, it was known for se ...
westbound, from
Villacoublay near Paris to
New York City
New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
, flying the
Breguet 19 Super Bidon "''?''" ("''Point d'Interrogation''" or "Question Mark"). They returned after 17 hours, however, due to bad weather. On 27–29 September 1929, they set the world distance record, flying 7,905 km (4,909 miles) from Paris to
Qiqihar
Qiqihar (also spelled Tsitsihar) is the second-largest city in the Heilongjiang province of China, in the west central part of the province. The built-up (or metro) area made up of Longsha, Tiefeng and Jianhua districts had 959,787 inhabitants, w ...
,
China
China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
.
On 1–2 September 1930, Costes with Maurice Bellonte, flew the "''Point d'Interrogation''" from Paris to New York, as the first
heavier-than-air aircraft to reach New York in the more difficult westbound direction between the North American and European mainlands. They covered either 5,850 km (3,633 miles) or 6,200 km (3,850 miles), according to different sources, in 37 hours 18 minutes. While flying over
Portsmouth, New Hampshire
Portsmouth is a city in Rockingham County, New Hampshire, Rockingham County, New Hampshire, United States. At the 2020 United States census, 2020 census it had a population of 21,956. A historic seaport and popular summer tourist destination on ...
, they lost their navigational map out of an open window of the plane. Two children saw the map falling from the sky while they were watching for the flight to cross over their farm. The children, Louise Stef and her brother John, returned the map to Costes, who had asked for its return through the media.

During
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, Costes was an instructor in a pilots school in
Versailles
The Palace of Versailles ( ; ) is a former royal residence commissioned by King Louis XIV located in Versailles, Yvelines, Versailles, about west of Paris, in the Yvelines, Yvelines Department of Île-de-France, Île-de-France region in Franc ...
, with the rank of
lieutenant colonel. He died on 18 May 1973 in Paris and is buried in
Passy Cemetery
Passy Cemetery () is a small cemetery in Passy, in the 16th arrondissement of Paris, France.
History
The current cemetery replaced the old cemetery (''l'ancien cimetière communal de Passy'', located on Rue Lekain), which was closed in 1802.
...
.
Awards
Costes received the
Legion of Honour
The National Order of the Legion of Honour ( ), formerly the Imperial Order of the Legion of Honour (), is the highest and most prestigious French national order of merit, both military and Civil society, civil. Currently consisting of five cl ...
, the ''
Croix de Guerre
The (, ''Cross of War'') is a military decoration of France. It was first created in 1915 and consists of a square-cross medal on two crossed swords, hanging from a ribbon with various degree pins. The decoration was first awarded during World ...
'' with seven palms and a gold star, and the ''
Médaille militaire
The ''Médaille militaire'' (, "Military Medal") is a military decoration of the French Republic for other ranks for meritorious service and acts of bravery in action against an enemy force. It is the third highest award of the French Republic, ...
'', among other decorations. He also received the 1929 ''
Fédération Aéronautique Internationale
The World Air Sports Federation (; FAI) is the world governing body for air sports, and also stewards definitions regarding human spaceflight. It was founded on 14 October 1905, and is headquartered in Lausanne, Switzerland. It maintains worl ...
'' Gold Medal and the 1929
Harmon Trophy
The Harmon Trophy is a set of three international trophies, to be awarded annually to the world's outstanding aviator, aviatrix, and aeronaut (balloon or dirigible). A fourth trophy, the "National Trophy", was awarded from 1926 through 1938 in av ...
.
On 2 May 1928, he was awarded the
Distinguished Flying Cross by special act of the Congress of the United States in recognition of his historic around the world flight.
[American Decorations Awarded Under the Authority of the Congress of the United States. Supplement 1 - January 1, 1927 to June 30, 1937. pg. 66.]
References
;General
*Tadeusz Malinowski: "Lotnicy świata", Warszawa 1985, (in Polish)
Dieudonné COSTES – Biographie d'un aviateur Septfontois* Hagedorn, Dan: ''Conquistadors of the Sky: A History of Aviation in Latin America''. University Press of Florida, 2008. .
Complete biography, list of WW1 victories, and color profiles of his planes during WW1The Aerodrome"Air Progress from Lindbergh to Coste."''Popular Science'', November 1930, pp. 42–43.
*
Franks, Norman; Bailey, Frank (1993). ''Over the Front: The Complete Record of the Fighter Aces and Units of the United States and French Air Services, 1914–1918.'' London: Grub Street Publishing. .
;Specific
{{DEFAULTSORT:Costes, Dieudone
1892 births
1973 deaths
People from Tarn-et-Garonne
French World War I flying aces
Flight distance record holders
Harmon Trophy winners
Burials at Passy Cemetery
French aviation pioneers
French aviation record holders