Complex sentence: The acquisition of an Airbus A300 in 1986 marked Dan-Air's widebody debut and the late 1980s saw a major expansion of their scheduled activities, including the introduction of two-class services on trunk routes.
Split into simpler sentences: The acquisition of an Airbus A300 in 1986 marked Dan-Air's widebody debut. The late 1980s saw a major expansion of Dan-Air's scheduled activities, including the introduction of two-class services on trunk routes.