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NASA's Glenn Research Center gets a boost to its icing research project with the addition of an S-3 Viking jet.

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The S-3 has eight times the range of Glenn's present turbo prop aircraft.

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NASA's DHC-6 Twin Otter, also known as the "flying laboratory" has logged over 22 years of valuable service.

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On the ground, Glenn's enormous Icing Research Tunnel can handle large-scale airplane parts for testing.

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Inside the tunnel, cold water is sprayed on the test parts to simulate formation of ice on aircraft surfaces during flight.

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The tunnel can also produce airspeeds from 50 to 400 miles per hour and temperatures as low as minus 40 degrees Fahrenheit.

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NASA's Glenn Research Center is working to increase aircraft safety through its icing studies.