Bombardier reported a 43 per cent increase in quarterly adjusted profit on Thursday, helped by a recovery in business aviation, as rising COVID-19 vaccinations encourage wealthy travellers to fly again.Bombardier has emerged as a pure-play business jet maker after divesting assets, including its transportation business to Alstom in January, to pay down debt and boost earnings.The corporate aircraft maker announced early results on Monday after contesting a bondholder’s claims that its recent sales of non-core assets breach the terms of certain notes.Montreal-based Bombardier said it would seek bondholders’ consent to amend terms on eight bond issues.Bombardier’s first-quarter adjusted earnings before interest, taxes, depreciation, and.