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Category Certifications & Testing

Airport tug with chain-covered wheels parked in a hangar.

Can Tug Tire Chains Damage a Hangar Floor?

A hangar floor takes constant load. Aircraft, tugs, and ground support equipment run across it every day. Some tug operators use tire chains and asked whether the chains could damage ILDFA flooring. We tested it. Using a hydraulic press, we applied a 15-ton load over...

Collage of various aircraft in hangars and in flight, showcasing helicopters, jets, and military planes.

From Code Addition to Field Proven

While ILDFA has only been added in the NFPA 409 2022 edition, it’s far from untested. Since 2021, ILDFA systems have been protecting a growing number of aircraft — with many more facilities under construction today. Here are just some of the aircraft currently...