Aircraft lease rentals account for around 15 per cent of an airline's overall expense and since these are paid in dollars are also subject to currency fluctuation.
Altogether, the Covid-19 outbreak will wipe almost half of airport revenues in 2020, it said
The coronavirus pandemic has compounded the year-old crisis over the grounding of Boeing's 737 MAX
In Australia, Qantas said it would cut all international flights
The contraction comes at a time when Asian airlines' sales had been growing, the group said
Planemakers Boeing and Airbus echoed that the uncertainty was bad for business and said free trade helped to drive economic growth, creating jobs