Which Aircraft Parts Are Replaced the Most Frequently

The aviation industry upholds a strict set of safety standards which require frequent maintenance that occurs before every flight. Aside from cleaning and refueling the aircraft, this maintenance also includes replacing any parts which have been damaged or have undergone too much wear. As a crucial part of aircraft ownership and operation, it can be helpful to have a better understanding of which parts will require replacement more than others so as to plan appropriately and find a dependable fulfillment source. Of the many parts replaced on a regular basis, the most common will be detailed below.

Wheels and Brakes

As the primary parts of the landing gear for most planes, wheels and brakes undergo a lot of stress during takeoff and landing. Consequently, they are the most in-demand parts from buyers and manufacturers. Though the wheels are only used at the start and end of a flight, they must carry the full force of the plane and rotate at high speeds in order to achieve proper takeoff. The brakes must also work hard, against the immense forward motion of the plane and effectively slow it to a stop, often starting from speeds in excess of 100 mph. As a result, these parts need to be checked and replaced often to ensure that they work properly during every flight.

Windows and Frames

Though aircraft windows are very sturdy and capable of enduring harsh temperature and pressure changes, they are also among the most frequently replaced parts. The central reason for this is that the wiring around the window frames can become damaged. To de-ice the plane, there are typically heating systems spread throughout the hull with much of their wiring oriented around the window frames. Therefore, windows and their frames must often be replaced when there is a heating system malfunction. Conversely, window cracks are a much less common occurrence but even small fissures pose a high risk, so slightly damaged windows that cannot be effectively fixed by a professional are always replaced.

Certain Parts due to Changing Regulations

A new Service Bulletin (SB) and Airworthiness Directive (AD) regulations were implemented in 2020 and have since resulted in a surge in certain parts being more strictly evaluated. Specific parts that have been extremely common on the market as a result of those changes include box relays, bleed valves, and aural warning module assemblies.

Batteries

As a common power source for many avionics on aircraft batteries also top the list of products that are frequently replaced. Many of these batteries must be discarded after they have run out of charge, and replaced with a new battery. The frequency at which batteries need to be replaced varies from model to model, but in general, batteries tend to be changed much more frequently than some other parts to ensure a safe and reliable source of power for the devices onboard.

Where to Find Replacement Parts

Here on Aviation Axis, you can browse our vast inventory of vital parts, such as airframe structural components, aviation-grade wheel and brake parts, aircraft batteries, and more. With an international supply network that sources from leading manufacturers on our Approved vendor List (AVL), Aviation Axis has you covered with competitive part costs and unbeatable shipping solutions. More than that, you may browse our online catalogs and easily request quotes for your comparisons on any products of interest using our Instant RFQ service. With representatives on standby, you can always expect a response within 15 minutes of sending a completed form. To learn more about the products and services we offer, simply call or email us at your convenience; we are available 24/7x365!


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