Aircraft Systems and Flight

    In the aviation industry, hydraulic systems are an important part of the aircraft system for the smooth operation of the aircraft. Hydraulic systems are used to control machinery or move mechanical parts using fluids under pressure. The aircraft hydraulics are used on aircraft to operate most of their equipment, such as landing gears, brakes, flaps, thrust reversers, and flight controls. All aircraft use some element that is hydraulically powered due to the many benefits that this unit offers. Many years ago, the hydraulic system of the aircraft was used in the form of hydraulic brakes. Today, hydraulic systems become more common and essential. They operate control devices such as wing, landing gear, slats, flaps, and brakes.



    What happens if an aircraft has a hydraulic failure? A simple hydraulic system consists of two pistons and an oil-filled cylinder connecting them. When one piston is pressed the liquid goes and exerts pressure on the other piston causing it to move. The pilots will lose control of the airplane to turn right or left, climb in case there is a total hydraulic failure. If the system fails, then the maintenance needs to find out the cause. Symptoms of hydraulic system failure will typically be high temperatures; low-pressure readings and slow or erratic operation are glaring problems.



    Hydraulic fluid contamination is responsible for a majority of all hydraulic system failures in aircraft. To avoid contamination in the hydraulic system, it is important to check the system regularly. Hydraulic fluid contamination is when foreign particles, debris or moisture pollute your system's hydraulic fluid. Any type of contamination of hydraulic fluid can cause severe damage to hydraulic systems. It's been found that more than 75 percent of hydraulic system failures can be directly traced back to dangerous contamination levels in the hydraulic fluid. For testing, the maintenance needs to sample the hydraulic fluid at various point in the system. Then do the analysis. This analysis will provide an accurate result of the contamination level of the hydraulic system.

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