{"aliases":[],"awards":["Grand Officer of the Legion of Honour","Air Medal"],"biography_summary":"Constantin Wladimir Rozanoff, also known as Kostia Rozanoff, (; 23 August 1905 \u2013 3 April 1954) was a French test pilot, a colonel of the French Air Force, and one of the pioneers of jet aviation. He was the chief test pilot at Dassault Aviation. He flew 201 types of planes and helicopters while logging 5,000 flying hours, including 3,865 combat hours. He also broke the sound barrier 104 times.","birth_date":"1905-08-23","birth_place":"Warsaw","birth_place_coordinates":{"latitude":52.23,"longitude":21.011111},"birth_place_wikidata_id":"Q270","birth_place_wikidata_url":"https://www.wikidata.org/wiki/Q270","canonical_name":"Constantin Rozanoff","canonical_url":"https://fr.instaget.online/people/037226709bfb9bd0b12653ad","citizenships":["Poland","France"],"death_date":"1954-04-03","description":"aviateur fran\u00e7ais","external_ids":{},"full_name":"Constantin Rozanoff","height_cm":null,"names":{"aliases":["Colonel Rozanoff","Kostia Rozanoff","Rozanoff","Constantin Wladimir Rozanoff"],"birth":[],"native":[{"language":"fr","source_property":"P1559","value":"Constantin Rozanoff"}],"official":[]},"native_name":null,"notable_works":[],"occupations":["aircraft pilot","test pilot","air force officer","engineer"],"official_websites":[],"photo":null,"profile_url":"https://fr.instaget.online/people/037226709bfb9bd0b12653ad","provenance":{"catalog":"wikidata_wikipedia","fetched_at":"2026-08-29T07:27:14Z","social_archives_included":false,"source_url":"https://www.wikidata.org/wiki/Q2995018"},"public_hash":"037226709bfb9bd0b12653ad","schema_version":"1.1","socials":{},"tags":[{"key":"category:engineering-and-technology","label":"Engineering and technology","type":"category"},{"key":"occupation:aircraft pilot","label":"aircraft pilot","type":"occupation"},{"key":"occupation:test pilot","label":"test pilot","type":"occupation"},{"key":"occupation:air force officer","label":"air force officer","type":"occupation"},{"key":"occupation:engineer","label":"engineer","type":"occupation"},{"key":"country:warsaw","label":"Warsaw","type":"country"},{"key":"citizenship:poland","label":"Poland","type":"citizenship"},{"key":"citizenship:france","label":"France","type":"citizenship"}],"wikidata_id":"Q2995018","wikidata_url":"https://www.wikidata.org/wiki/Q2995018","wikipedia_url":"https://fr.wikipedia.org/wiki/Constantin_Rozanoff"}