Aviation Dictionary

Ground power unit (GPU)

A type of small gas turbine whose purpose is to provide electrical power, and/or air pressure for starting aircraft engines. A ground unit is connected to the aircraft when needed. Similar to an aircraft-installed auxil...

Dictionary Term

Ground power unit (GPU)

Definition

A type of small gas turbine whose purpose is to provide electrical power, and/or air pressure for starting aircraft engines. A ground unit is connected to the aircraft when needed. Similar to an aircraft-installed auxiliary power unit.

References

Airplane Flying Handbook, Federal Aviation Administration, 2021