In particular , the weakened national currency diminished the firm 's ability to pay for the aircraft 's components , especially those sourced from Russia , and workers ' salaries .
However , due to financing and design issues , this was pushed back until 1994 .
The weakened national currency diminished the firm 's ability to pay for the aircraft 's components , especially those sourced from Russia , and workers ' salaries .
However , due to financing and design issues , this was pushed back until 1994 .