What happens to jack Dragonwings?

In "Dragonwings" by Laurence Yep, Jack becomes a key figure in his father's dream of building a flying machine. Throughout the story, he faces various challenges, including racial discrimination and personal loss, but ultimately grows closer to his father and learns about perseverance and hope. The novel culminates in a significant flight attempt, symbolizing both Jack's and his father's aspirations. Jack's journey reflects themes of family, ambition, and cultural identity.