In this task, given a sentence in the Malay language, and your task is to convert it into the English language.

Ini dikatakan bencana udara komersial yang paling teruk bagi Rusia sejak Ogos 2006 apabila 170 orang maut selepas sebuah jet penumpang Tupolev Tu-154, penerbangan 612, yang dimiliki oleh Penerbangan Pulkovo yang berpangkalan di St. Petersburg, terhempas di Ukraine.
This is said to be Russia's worst commercial air disaster since August 2006 when 170 people died after a Tupolev Tu-154 passenger jet, flight 612, owned by St. Petersburg-based Pulkovo Airlines, crashed in the Ukraine.