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MD Helicopters, Inc. (MDHI) recently awarded a contract to Liquid Measurement Systems, Inc. (LMS) to design and qualify a new crash-resistant fuel gauging system for new deliveries of the MD 500 series of helicopters with a certification of airworthiness after April 5, 2020. The MD 500 series includes the MD 500E, MD 520N, and MD 530F.
Qualification and testing is expected to begin this year for installation of the new system into the MD 500 series helicopters at MDHI’s Mesa, Arizona, production facility.
MDHI’s MD 500 series are used primarily by law enforcement, private owners, VIP transport and a wide array of commercial utility applications, such as power line installation and maintenance, agricultural spraying, electronic news-gathering, herding, logging, offshore operations, fumigation and general transport.
The crash-resistant fuel systems are rigorously designed to prevent the fuel compartment from rupturing in the event of a crash or hard landing — and the post-crash fire that can occur when fuel and fuel vapor escape and ignite, making an otherwise survivable crash fatal.