<page_title> Bereznyak-Isayev BI-1 </page_title> <section_title> Powered flights </section_title> <table> <cell> 15 May 1942 <col_header> Date </col_header> </cell> <cell> BI-1 <col_header> Model </col_header> </cell> <cell> Backchivandzhi <col_header> Pilot </col_header> </cell> <cell> 840 m (2,760 ft) <col_header> Altitude, m </col_header> </cell> <cell> 400 km/h (220 kn; 250 mph) <col_header> Speed, km/h </col_header> </cell> </table>
On 15 May, Bakhchivandzhi flew the BI-1, reaching an altitude of 840 m (2,760 ft) and a maximum speed of 400 km/h (220 kn; 250 mph).