Constantin Rozanoff

Constantin Wladimir Rozanoff
Nickname(s)Kostia
Born(1905-08-23)23 August 1905
Warsaw, Vistula Land, Russian Empire
Died3 April 1954(1954-04-03) (aged 48)
Melun, France
Allegiance France
Years of service19401946
RankColonel
UnitGC II/4, GC 2/5 «Lafayette», GC 2/3 «Dauphiné»
Battles / warsWorld War II
AwardsAir Medal, Légion d'honneur

Constantin Wladimir Rozanoff, also known as Kostia Rozanoff, (Russian: Розанов, Константин Владимирович; 23 August 1905 – 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.