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PartsBase is a very useful tool I take advantage of daily. When it comes to Sourcing parts I operate on urgent AOG requirements. PartsBase provides me with so many useful tools and diverse vendors to make sure I can satisfy all my requirements!


Zachery Baker, 
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Jimmy White, 
Manager APU Shop

I understand first hand why companies use PartsBase. The PartsBase team is exceptional and the system is top notch. I truly appreciated all the support over the years. 

At Duncan Aviation Parts & Rotable Sales, we receive thousands of phone calls from customers wanting to buy parts because they found us in PartsBase.

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Here's what PartsBase customers are saying

PartsBase is a very useful tool I take advantage of every day. When it comes to sourcing parts I operate on urgent AOG requirements. PartsBase provides me with so many useful tools and diverse vendors to make sure I can satisfy all my requirements.

Zachary Baker 
Emergency Response Coordinator

Jimmy White
Operations Manager APU Shop

I understand firsthand why companies use PartsBase.The PartsBase team is exceptional and the system is top notch. I truly appreciated all the support over the years.

At Duncan Aviation Parts & Rotable Sales, we receive thousands of calls from customers wanting to buy parts because they found us in PartsBase.

Chris Gress 
Parts & Rotable Sales Manager

Locate Aviation and Aircraft Relays By Part Number Online

When it comes to aircraft maintenance and repair, having access to quality parts is absolutely crucial. One such component that plays a key role in the safe and reliable operation of an aircraft is the relay. To help you better understand and purchase these vital parts, read on for a comprehensive guide to the aircraft relay parts. 

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Aircraft relays are electronic switches that allow an electrical current to flow through a circuit. They are used to control a variety of aircraft systems, from lighting and communications to landing gear and brakes. Properly functioning relays are vital to the safe and efficient operation of an aircraft, so it's important to choose high-quality parts that are reliable and durable.

Relays work by using an electromagnetic field to open or close a switch. When an electrical current flows through the relay, the electromagnetic field is activated, which either opens or closes the switch. This allows the current to flow through the circuit and power the desired system.

Understanding Aircraft Relay Parts

Connect to the world’s largest online aircraft parts catalog through our network of aviation parts and services. Our online aircraft parts platform of over 15 billion aerospace parts stretches over 217 countries & territories and offers a 99% search success rate. Our aircraft parts search engine is an entryway into our entire digital platform which stores information about every part used in an aircraft that allows for easy aviation alternate part number search. We store information including the part number, manufacturer, condition, location, records, and other relevant details. Making it easy for users of our aircraft parts search engine to access the largest database of aerospace parts & services or seamlessly utilize NSN database and FAA PMA database search facets.

When it comes to aviation maintenance, finding the right aircraft relay parts is crucial. These parts are essential to the proper functioning of your aircraft's electrical system and can affect the safety of your flight. Once you've found the right parts, the next step is to purchase them. Here's what you need to do.

The Role of Aircraft Relays

Aircraft relays act as a critical intermediary between various electrical systems onboard an aircraft. They help to regulate the flow of electrical currents, ensuring that each system receives the power it needs to operate safely and efficiently. For example, relays are used to control the landing gear system, ensuring that the gear is deployed or retracted at the appropriate times during takeoff and landing.

Relays are also used to control lighting systems, such as the cockpit lights and exterior navigation lights. They help to ensure that the lights are turned on and off at the correct times, and that they are functioning properly during flight.

Types of Aircraft Relay Parts

There are many different types of aircraft relay parts available for sale, each of which is designed to perform a specific function within an aircraft's electrical system. Whether you need relays for your cockpit panels or landing gear, there are a wide range of options to choose from.

Solid-state relays are a popular choice for aircraft applications because they are lightweight and compact, making them ideal for use in small spaces. They also have a long lifespan and are less prone to failure than other types of relays.

Electromechanical relays are another common type of relay used in aircraft. They are reliable and durable, and can handle high current loads. However, they are larger and heavier than solid-state relays, which can make them less suitable for certain applications.

Latching relays are a type of relay that can maintain their state even when power is removed. This makes them useful for applications where power may be intermittent or where it is important to maintain a specific state even if power is lost.

Purchasing Aircraft Relay Parts

Common Aircraft Relay Part Manufacturers

When it comes to purchasing aircraft relay parts, there are many manufacturers to choose from. Some of the most reputable and well-known brands in the industry include Eaton, Honeywell, and Siemens. These companies produce world-class relay parts that are known for their reliability, durability, and longevity.

Eaton is a leading manufacturer of aerospace relays, offering a wide range of products for various applications. Their relays are known for their high-quality construction and long lifespan.

Honeywell is another popular choice for aircraft relay parts. They offer a range of electromechanical and solid-state relays, as well as custom solutions for specific applications.

Siemens is known for their high-performance relays, which are designed to meet the demanding requirements of modern aircraft systems. Their relays are used in a variety of applications, from cockpit displays to landing gear systems.