sentences:  Under this structure, the position of CEO Tigerair ceased to exist, with the operations of Tigerair being led by an Executive General Manager accountable for the relevant Air Operator's Certificate and reporting to the VAH Chief Operations Officer, and commercial and corporate functions reporting centrally within the Group.In February 2020, Virgin Australia Holdings announced it would reduce Tigerair's fleet from 13 to eight, exit five loss-making routes, and close its Brisbane base.Operations were suspended on 25 March 2020 as a result of the COVID-19 pandemic.