Which of the following is essential for effective airport maintenance?

Regular safety and operational checks are fundamental for effective airport maintenance because they ensure that all systems, equipment, and facilities are functioning correctly and safely. These checks help to identify potential hazards, wear and tear, or operational inefficiencies that could lead to operational delays or safety incidents. By implementing a routine schedule for these checks, airports can proactively address issues before they escalate, ensuring compliance with safety regulations and maintaining a high standard of service and reliability. This not only promotes safety for passengers and staff but also contributes to the overall reputation and operational efficiency of the airport.