AS9120B, ISO 9001:2015, AND FAA AC 0056B ACCREDITED

When Should Aircraft Propellers Be Changed?

Just as with any other key component, it is crucial to understand when the right time is to replace such fixtures. This practice not only prevents malfunction by removing damaged parts, but it also allows you to stay up to date with modern innovations. Here, we will discuss a few major signs that it is time to replace the propeller of your aircraft, as well as some reasons as to why you should have them changed regularly.

Strike or Corrosion

The first major reason to replace a propeller is after there has been a significant propeller strike or instance of corrosion. Some propeller damage is easy to identify, such as bent or dented blades. Any time this type of damage is spotted, it is important to take your aircraft to a reputable propeller repair facility to assess whether propeller blade repair is possible or if a total propeller replacement is needed. Other types of propeller damage may not be so apparent, such as internal corrosion. Left undetected, internal corrosion can destroy the components within the propeller hub and render the propeller unairworthy. This type of corrosion is often only detectable during a complete propeller overhaul, making the next reason important.

Operational Life Limit

As a fast-moving, high-power device on aircraft, the propeller experiences a lot of wear during each flight. Thus, it is important to pay attention to your propeller manufacturer’s published overhaul limits so as to avoid malfunctions from unseen wear. Flying your aircraft with a propeller beyond its intended service life can be very dangerous, as mid-flight propeller malfunction often results in catastrophe. Typically, the TBO (time between overhauls) limits are defined in terms of both flight hours and calendar time, whichever comes first. While the cost of a propeller overhaul varies by model, it can add up quickly, especially if you need to replace the propeller blades and multiple internal components due to damage, seal aging, and corrosion within the hub.

Higher Performance Propeller Upgrade

One last major reason to replace your propeller is to make an upgrade to a higher performance model. With that, some thoughtful reasons to consider upgrading your equipment include:

  1. You want to try something new: It is often necessary to replace your propeller before trying a new landing environment, such as flying into the backcountry or changing out the wheels for floats or skis.
  2. You want to improve performance: An upgraded propeller can offer performance advantages in a variety of areas, from takeoff and climb to cruise speed.
  3. You want to make your airplane quieter: Switching to a new propeller can also help to limit vibration in flight, which in turn, helps to reduce noise and provide greater comfort for passengers on crew.
  4. You want to improve ramp appeal: New propeller blades also add ramp appeal, increasing the value of the airplane.

Conclusion

As a crucial part of aircraft, propellers should be evaluated and replaced when necessary to avoid malfunction and improve performance. If you are ever on the search for high-quality replacement parts for your aircraft, including Hartzell’s aircraft propellers, there is no better source than Aircraft Hardware for Sale. With a widespread network of suppliers, we are well-equipped to handle all your strictest deadlines and part requirements. We are a premium procurement platform offering one-on-one consultation throughout the purchasing process. Kickoff the procurement process with us today to receive a sourcing solution suited to your unique needs and situation.


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