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Jun 02, 2025 - Inside an H125 Part-Out: Step-by-Step Guide to Dismantling and Certification

At RotorLink Technical Services, we have built our reputation on providing high-quality helicopter parts and solutions to operators around the world. One of the most important and often misunderstood processes in the industry is the “part-out” of a helicopter, particularly for popular models like the Airbus H125. The term “H125 partout” refers to the dismantling of an H125 helicopter, with the goal of salvaging, certifying, and redistributing its components. This process serves not only as the cornerstone of the secondary parts market but is an indispensable service that keeps fleets operating cost-effectively and safely.

This is the process of our H125 partout and how we ensure every part meets quality and compliance standards. Whether you are considering purchasing parts from an H125 partout yourself or just curious to see what goes on behind hangar doors.

An H125 partout begins with a decision by the operator or owners. They may choose this route for various reasons. Common reasons are that the cost of overhauls or repairs outweighs the worth of the aircraft. Then it simply makes more sense to sell components.

We take great care when selecting H125 candidates for a partout. Our evaluation includes reviewing its maintenance history, total hours in service and condition of major assemblies such as engines, transmissions and dynamic components. In addition, market demand for specific H125 parts ensures they will provide real value to operators in need.

Once a decision has been made, the H125 partout's process begins with an intensive inspection. Our team of technicians and engineers conducts a complete examination of every major system and component on board, such as airframe, rotor system, avionics, landing gear and interior fittings, while documenting their condition along the way.

Documentation is important at this step of the H125 partout process. Each part must be traceable with regard to service history, maintenance actions taken on it, and compliance with the airworthiness directive. Tracing parts is not only a best practice but a legal mandate by aviation authorities like Transport Canada, FAA, or EASA. At RotorLink, we employ digital inventory management systems that ensure every part is accounted for from removal to resale.

Removing an H125 from service involves an organized and complex dismantlement process. Our technicians follow manufacturer maintenance manuals and illustrated parts catalogues to safely disassemble each component without risk of damage to the part.

This process generally begins by dismantling both main and tail rotor blades, then disassembling the rotor head, swashplate, transmission, engine (typically an Arriel 2D in H125s), accessories and mounting hardware. Finally, the avionics systems with wiring harnesses or connectors are extracted and disassembled.

Throughout our process, our team uses specialized tools and lifting equipment to prevent stress or deformation to parts. Each component is then marked, cleaned, and packaged for transport to our inspection and certification facility, with our goal being to maximize the usability of every part from major assemblies down to fasteners and brackets.

We excel in inspecting each component from an H125 partout after disassembly. Certified inspectors conduct testing methods like dye penetrant inspection, ultrasonic testing, and borescope examination on every piece to detect wear, corrosion, and damage to components.

Functional testing should be done on critical components like gearboxes, rotor heads and flight control assemblies to verify performance. Any parts not meeting airworthiness standards are either repaired by approved maintenance organizations or scrapped according to environmental and regulatory regulations.

Certification is a crucial component of every quality assurance process. After passing inspection, every part that passes inspection receives an authorized release certificate, such as Transport Canada Form One or FAA 8130-3 tag, to prove its airworthiness and traceability.  All the parts we sell meet safety regulations and are in line with industry standards. At RotorLink, we never compromise when it comes to certification; after all, it's our reputation on the line.

Once inspection and certification of H125 partout parts are complete, their components will be cataloged into our inventory system and entered into our digital database for tracking purposes. Here we can easily monitor each part's location, status and documentation, so it is easy for operators to quickly and efficiently search and acquire any components they need.

Market readiness is a core H125 partout process. Given that its predecessor, AS350 B3e, remains one of the world's most widely utilized light helicopters, RotorLink can help operators optimize downtime management while managing costs. This prolongs fleet service life through our inventory of H125 components.

Helicopter operators will find that the many advantages of purchasing parts from H125 partout are significant. Among these benefits is cost savings, as new OEM parts are often costly and take weeks or months to arrive. Certified, serviceable parts from reputable partouts offer more cost-effective and convenient alternatives without compromising safety or reliability.

Another key advantage is flexibility. Operators can purchase the required parts - rotor blades, hydraulic pumps, or avionics modules - without wasting time and within maintenance budgets.

The H125 partout process helps keep your fleet operational by offering immediate access to certified parts. Our goal is to help operators get back in the air faster while minimizing air on ground (AOG) so that you can perform essential missions like emergency medical services, law enforcement, utility work or tourism services.

RotorLink prides itself on quality assurance on every H125 part. Our processes draw upon decades of technical knowledge and a thorough knowledge of regulatory requirements. We work closely with approved repair and overhaul shops to guarantee that all parts sold meet industry standards.

Customer support is another important component of our services, as every operator's requirements vary considerably and require unique solutions. Whether it involves finding parts, understanding certification or organizing logistics, our team is here every step of the way.

As aviation evolves, so too has its H125 partout process. Thanks to advances in digital inventory management, traceability, and logistics technologies, operators have a simpler time finding and acquiring the parts they need. We adopt these technologies to deliver the best customer service support across our global H125 community.

H125 partout requires technical expertise, attention to detail and commitment to quality. At RotorLink, we take great pride in being trusted partners of operators seeking certified H125 parts, with each component we supply being safe, traceable and ready for any mission thrown at them. 

RotorLink can assist your fleet, your aircraft or anyone looking for information regarding H125 partouts with our extensive inventory. We are your solution for H125 parts and more. Reach out now so we can keep you flying with confidence.