The owner’s mixed fleet logged net earnings of JPY 1.41bn ($13.93m) to31 March, up from JPY 541m in the previous 12 months.

Revenue was also higher, at JPY 28.15bn from JPY 22.88bn.

But its forecast for the year ending 31 March, 2015, is a profit ofJPY 600m, from revenue of JPY 30bn.