From day one, private jet operator Acass failed to deliver, Tommy Kelly told the High Court. “We kept to our commitments. They cost us in the region of €2.5 million,” Kelly said. Kelly, founder of global ecommerce giant ESW, spent just under an hour in the witness box on Tuesday, much of it being grilled about his claim of feeling “hostage” to the Shannon-based aviation company. How had he felt hostage to a company engaged to run his private aircraft on a contract with a 60-day notice period? “It is a €7.5 million aircraft,” he replied. “It needs professional oversight and…