Protecting Birds. Protecting People.


Robotic Installation of BFDs

Bird Mitigation

An estimated 57 million birds are killed each year in the United States from collisions with powerlines. Bird flight diverters are devices designed to deter birds from striking powerlines while in flight. While PLS BFDs are effective at increasing visibility and preventing collisions, the installation is dangerous. Attaching the plastic diverters to powerlines typically involves linemen hanging out of a helicopter and attaching the devices one at a time. The engineers at FulcrumAir recognized the safety concerns of this approach and developed an ideal alternative. The LineFly is the first in FulcrumAir’s suite of aerial robotics. A fully autonomous robot, the LineFly installs bird flight diverters quickly, safely, and efficiently. There’s never been a better solution.

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The LineFly is the world's safest and most efficient method for installing bird flight diverters, automatically and precisely placing 24 diverters in minutes.

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The LineFly is capable of operating in an energized environment provided limits of approach are maintained.

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In addition to promoting the safety of migratory birds, bird flight diverters also protect powerlines from the damage caused by bird collisions.

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No Helicopter Needed

With no helicopter needed, the LineFly contributes to safety and environmental efforts by reducing carbon output and limiting close-contact for workers.

Keeping the Skies Safe
For 20+ Years

Power Line Sentry of Wellington, Colorado, leads the industry with quality wildlife mitigation products. The LineFly, only from FulcrumAir, was designed with Power Line Sentry’s bird flight diverters in mind to ensure safe and efficient installation. The bird flight diverters are expertly manufactured with yellow prism tape and 24-hour glow tape for maximum visibility in all conditions. Tested for use on shield wire, OPGW, guy wire, and energized conductor (up to 240 kV), they can withstand 100 mph winds with a lifespan of up to 20 years. In addition to bird flight diverters, Power Line Sentry manufactures a complete line of other industry-leading wildlife mitigation product solutions for electrical utilities.

Installation Methods

See the LineFly
in Action

Our Robots



Bird flight diverters provide maximum visibility for birds flying towards, above, or below the overhead wire, protecting both birds and the powerlines themselves. The LineFly, FulcrumAir’s proprietary bird flight diverter installation device, is an autonomous robot that installs the diverters in a precise and accurate way.



Our E7500 series drone is our robust heavy-lift drone, optimized for short to medium flights carrying heavy payloads. Powerful enough to lift the LineFly robot, the E7500 effectively replaces helicopters for bird flight diverter installations. It’s the perfect machine for all heavy-duty applications like powerline surveying.

E2500 HP

E2500 HP

The E2500 HP is the best drone for powerline inspections as well as lifting the LineFly Mini. Equipped with LiDAR, RGB, and thermal cameras, there’s almost nothing the E2500 HP cannot do.

Quality Engineering.
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