Dermot Mannion has had a busy few months, despite his sector being brought to its knees by the coronavirus pandemic. Yet, the Sligo native made time for a call between business meetings last Wednesday. An aviation industry heavyweight, Mannion’s career spans more than three decades. He spent 16 years as president of group services in Emirates, before navigating Aer Lingus through its IPO in 2006, and through two hostile takeover attempts by Ryanair. He spent more than five years following that as deputy chairman of Royal Brunei Airlines. Currently, he is non-executive director with Jazeera Airways and Silver Aircraft Leasing,…