Complex sentence: For example, the highest internal cabin altitude of the Boeing 787 Dreamliner is equivalent of 6,000 feet (1,800 m), while one of the lowest currently flying is the Bombardier Global Express business jet which features when cruising at.
Split into simpler sentences: For example, the highest internal cabin altitude of the Boeing 787 Dreamliner is 6,000 feet (1,800 m). A currently flying aircraft with one of the lowest cabin altitudes is in the Bombardier Global Express business jet, which can maintain when cruising at.