Jet Airways, the Naresh Goyal-led airline, has said it will retire $600-million debt by the end of this financial year and lease back of some its aircraft. The total debt on the company's balance sheet stood at Rs 12,000 crore by the end of the September quarter, against $2.4 billion in the June quarter "We have been steadily repaying our debt, both working capital and working capital loans. By March, we expect our debt to come down to $1.96 billion from the current $2.3 billion and we would have repaid over $600 million of our debt this fiscal," Jet Airways Chief Financial Officer Ravi Shankar G said. With Business Class load factor going up, the company is looking at reconfiguring some of its 162-seater aircraft to add more business class seats, he added. "We are looking at more sale and lease back options in the current quarter in addition to those done in the previous two quarters.