Oksanchenko was born 26 April 1968 in the village of Malomykhailivka [uk], Pokrovske Raion in Dnipropetrovsk Oblast and attended his local secondary school until 1985 before commencing military aviation training.

[4] He worked as an instructor pilot, later rising to the position of deputy commander responsible for flight training of his unit.

[3] From 2013 to 2018, Oksanchenko was a display pilot of the Sukhoi Su-27 for the Ukrainian Air Force,[5] logging over 2,000 flying hours.

[8] ПІД МУЗИКУ ПАЛАЮЧОГО ФОРПЕПІАНО…🎹 Українські пілоти вшанували пам’ять своїх бойових побратимів.Назавжди в строю!

🫡✈️🇺🇦 @PvK_Center_UA @KpsZSU pic.twitter.com/jxK9KBt4Bx On 29 August 2023, the Air Force Command of the Armed Forces of Ukraine shared a video of piano burning ceremony has been held as a tribute to fallen Ukrainian fighter pilot Denys Kyryliuk [uk] and commemorated to Stepan Chobanu [uk] and Oleksandr Oksanchenko.