sentences:  The fee was $10 (for 15 kg of luggage) at booking or $20 at check-in.Tiger announced on 3 April 2009 its intention to launch in the Melbourne–Sydney market, the fifth busiest passenger route in the world at the time, signalling an end to its operational policy of avoiding expensive airports.On 18 July, Tiger announced an increase in its Melbourne–Sydney flights by up to nine flights a day in each direction, and doubling the capacity on the Adelaide–Sydney route.