Complex sentence: The Company's Captain dies when he tries in a heroic attempt to save the company by making sure the Lady's carpet cannot be used to chase them down he does this by flying it on a suicide run into a cliff.
Split into simpler sentences: The Company's Captain dies when he tries in a heroic attempt to save the company by making sure the Lady's carpet cannot be used to chase them down. He does this by flying it on a suicide run into a cliff.