What Does IFRU Stand For?

IFRU stands for In Flight Replacement Unit

IFRU, or In Flight Replacement Unit, refers to a specialized component or module designed to be replaced or serviced during the operation of an aircraft. These units are critical for maintaining operational efficiency and safety, allowing for real-time troubleshooting and repair without necessitating landing or extensive ground maintenance. IFRUs enhance aircraft availability by minimizing downtime and ensuring that essential systems remain functional throughout the flight.