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September 04, 2023

When it comes to aviation, ensuring the safety and reliability of aircraft is of utmost importance. One critical component that ensures the smooth operation of an aircraft is its engine mount. Aircraft engine mounts are like the backbone of an airplane, supporting the engine and ensuring it stays securely attached to the aircraft.

But what happens when these vital components fail?

Professional aviation welding specialists can not only manufacture engine components for you but also provide you with aviation welding services. In this blog, we'll explore everything about aircraft engine mounts in detail, including their importance and the key factors behind their failures.

Introduction To Aircraft Engine Mounts

Aircraft engine mounts are structural components that connect the engine to the airframe of an aircraft. They serve a crucial role in supporting the engine's weight, absorbing vibrations, and transmitting power from the engine to the propeller or rotor. Without these mounts, the engine would simply detach from the aircraft mid-flight, leading to catastrophic consequences.

The engine mounts are a crucial component that ensures the stability and safety of the aircraft by securely holding the engine in place. They prevent engine vibrations from causing structural damage and maintain the aircraft's balance.

Common Causes Of Aircraft Engine Mount Failure

Now that we understand their importance let's explore the factors that can lead to the failure of aircraft engine mounts.

Material Fatigue And Corrosion

Engine mounts are typically made from high-strength materials like steel or aluminum. However, over time, these materials can experience fatigue and corrosion due to the stress of repeated flights and exposure to environmental factors. This can weaken the mounts, making them more susceptible to failure.

Vibration And Stress

Aircraft engines generate powerful vibrations and stress during operation. These vibrations can put immense pressure on the engine mounts. If not properly designed or maintained, the mounts may succumb to this stress, leading to cracks or complete failure.

Design Flaws

In some cases, design flaws in the engine mount can be the root cause of failure. These flaws can include inadequate reinforcement or improper load distribution. This can make the mount vulnerable to failure under normal operating conditions.

Maintenance Neglect

Like every other engine part, regular maintenance is crucial for ensuring the longevity of engine mounts. Neglecting maintenance tasks, such as inspections for signs of wear or corrosion, can lead to undetected issues that may ultimately result in failure.

Environmental Factors

Weather also plays a significant role in causing aircraft engine mount failures. Aircraft operate in diverse environmental conditions, from extreme cold at high altitudes to corrosive saltwater environments near coastal regions. These environmental factors can accelerate the wear and tear on engine mounts, increasing the risk of failure.

Impact Damage

Collisions or hard landings can cause impact damage to engine mounts. Even minor damage can weaken the mounts and compromise their ability to support the engine effectively.


Aircraft engines generate enormous amounts of thrust, and engine mounts bear the brunt of this force. Excessive loading, either due to engine malfunctions or improper maintenance, can lead to overloading, causing fatigue and, eventually, failure.

Also Read: Evolution Of Aircraft Engine Exhaust Systems: Past, Present, And Future

Preventive Measures And Maintenance

Preventing engine mount failures is a paramount concern for aviation safety. To ensure the continued airworthiness of an aircraft, meticulous maintenance practices must be followed. These maintenance practices include:

  • Regular Inspections: Scheduled inspections at predetermined intervals are crucial for detecting early signs of damage.
  • Corrosion Control: Implementing corrosion prevention measures and coatings to protect against moisture-induced corrosion.
  • Load Monitoring: Monitoring engine loads and ensuring they remain within specified limits to prevent overloading.
  • Material Upgrades: Utilizing advanced materials and manufacturing techniques to enhance the durability and longevity of engine mounts.

About Us

Acorn Welding is a well-established name in aviation welding with a strong legacy of serving the aerospace industry. Our dedicated team of passionate engineers is driven by innovation and technology, delivering exceptional welding services tailored to the aviation sector.

Our expertise covers a wide spectrum of services, including component replacement, routine maintenance, and meticulous inspections. We take pride in working with vintage aircraft worldwide, striving to be the foremost aviation specialists in the field.

We're here to serve your aviation needs with the highest standards of craftsmanship and safety. Contact us now to explore how Acorn Welding can enhance your aviation experience.