David Batcheller holds a mockup of Appareo’s newest flight data recorder for use in helicopters. The “black box” weighs 10 ounces, is water-resistant and records audio and four pictures per second for hours as well as roughly a month of flight data. The company’s new building, behind him, is located in the NDSU Research and Technology Park. (Michael Vosburg / The Forum)
Read the article: Valley company's data recorder in spotlight for helicopter safety
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