MD500E powerline maintenance near Briones, CA

Wilson Construction Company specializes in the design and construction of vital electric utility infrastructure needed by power providers across the United States and beyond. We provide infinite solutions and exceptional results for our satisfied clients through a collaborative team environment. Wilson has worked on projects across the United States and in Canada, American Samoa, and Indonesia.


This MD500E helicopter skillfully performing powerline maintenance in the rugged mountains of California. The crew, suspended from a longline beneath the helicopter, demonstrates exceptional precision and bravery as they work on the high-voltage powerlines. This type of maintenance is crucial for ensuring the reliability and safety of electrical power delivery, especially in remote and challenging terrains.

The McDonnell Douglas MD500E, known for its versatility and agility, is a light utility helicopter with a rich history. Originally developed in the 1960s as the Hughes 500, it evolved into the MD500 series after McDonnell Douglas acquired Hughes Helicopters. The MD500E, a popular model within this series, is renowned for its robust performance, compact size, and exceptional maneuverability, making it ideal for tasks like powerline maintenance.

Technically, the MD500E is powered by an Allison 250-C20B turboshaft engine, providing a maximum speed of approximately 245 km/h and a range of around 415 km. It features a five-blade main rotor and a two-blade tail rotor, contributing to its stability and control, especially in mountainous areas.

Powerline maintenance involves several critical tasks, including inspecting, repairing, and upgrading powerlines. Crews working from helicopters must be highly skilled, as they face various challenges such as high altitudes, strong winds, and the inherent dangers of working near live electrical wires. The longline method allows workers to access difficult-to-reach areas without needing to land, enhancing both efficiency and safety.