What precaution can be taken to prevent corrosion on aircraft structures?

Regular cleaning and applying protective coatings are essential practices to prevent corrosion on aircraft structures. Corrosion is a process that can deteriorate metal over time due to environmental factors such as moisture, salts, and pollutants. By keeping aircraft surfaces clean, you eliminate dirt and contaminants that can hold moisture against the metal, which is a common cause of corrosion.

Applying protective coatings further enhances protection by creating a barrier between the metal and the environment. These coatings can be specifically formulated to resist chemicals, humidity, and UV exposure, thereby extending the lifespan of the aircraft structure. This proactive approach helps maintain the integrity and safety of the aircraft over time.

Other options, such as painting over only corroded areas, may not adequately address underlying corrosion issues and can lead to further deterioration. Storing aircraft in humid environments increases the likelihood of corrosion due to moisture exposure. Reducing the thickness of protective layers compromises their effectiveness, which can leave the metal vulnerable to corrosive agents.