Bombardier’s CRJ celebrates the 25th anniversary of its entry into service this year. Bernie Baldwin looks at the life of the ground-breaking aircraft programme and at the latest developments designed to maintain its role as a leading contender in the current market.

It may seem a back-to-front way of doing things, but let’s start with the conclusion to this tale – when the 50-seat Canadair Regional Jet entered service on November 1, 1992, it changed regional aviation forever. The story of one of the bestselling airliner programmes of all time begins in business aviation.