Reverse thrust can be used to push back an aircraft without the help of a tug. This is called a “power-back”. However, due to the increased fuel consumption and risk of airborne debris stirred up by the engines, this operation is not normally used during routine airport procedures. That is why it is not common to see a power-back at airports. Only under special circumstances, such as when a tug is not available (usually at smaller airports). Read more about Reverse Thrust in Airplanes and how it