Tom Enders stared at the phone on his desk as it began to ring. The Airbus boss had been expecting a call to his office in Toulouse. It was Tim Clark, chief executive of Dubai-based airline Emirates, the biggest buyer of the planemaker’s A380 “superjumbo”. Clark was angry. He wanted to know why Airbus finance director Harald Wilhelm had just raised the prospect of the death of the A380. The aircraft cost $25 billion (£16 billion) to develop, but it has struggled to chalk up the large orders Airbus had envisioned, at $440 million each. So far, it has just...