Maintenance and Modifications
True Blue Lithium-ion Battery Powers SIAI-Marchetti S.211 Jet Trainer Electrical System

Mid-Continent Instruments and True Blue Power president Matt Harrah flew the company's SIAI-Marchetti S.211 single-engine jet trainer to the EAA AirVenture show in Oshkosh, Wisconsin, and explained how the jet enables testing of the company's products, including the TB50 lithium-ion battery installed in the S.211.

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