Complex sentence: This example is now on display in the main museum gallery while a second reproduction built from scratch was started in 1977 was first flown in November 1990 continues to fly at air shows and commemorative events.
Split into simpler sentences: This example is now on display in the main museum gallery. A second reproduction, started from scratch in 1977 and first flown in November 1990, continues to fly at air shows and commemorative events.