Before revision: Airliners Airliners have a fuel fraction of less than half their takeoff weight, between 26%DIF < for medium-haul to 45% for long-haul: %DIF > for medium-haul to 45% for long-haul.
After revision: Civilian Aircraft Airliners have a fuel fraction of less than half their takeoff weight, between 26%DIF < for medium-haul to 45% for long-haul: %DIF > for medium-haul to 45% for long-haul.