A highly instrumented NASA F-106B aircraft, modified for the storm hazards mission and protected against direct lightning strikes, was used in conjunction with various ground based radar and lightning measurement systems to collect data during thunderstorm penetration flights. During 69 thunderstorm penetrations, there were 10 direct lightning strikes to the aircraft. No problems were encountered with any of the aircraft's systems as a result of the strikes and the research instrumentation performed as designed. Electromagnetic characteristics of nine strikes were recorded, and the results of other experiments confirm the theory that X-ray radiation and nitrous oxide gas are being produced by processes associated directly with thunderstorm electric fields and lightning discharges. A better understanding of aircraft lightning attachment mechanisms and strike zones is being accomplished by careful inspection, identification, and documentation of lightning attachment points and swept stroke paths following each strike to the aircraft.


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    Title :

    Thunderstorm Hazards Flight Research: Storm Hazards 1980 Overview


    Contributors:
    P. L. Deal (author) / G. L. Keyser (author) / B. D. Fisher (author) / N. L. Crabill (author)

    Publication date :

    1981


    Size :

    29 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Thunderstorm hazards flight research: Storm hazards 1980 overview

    Deal, P. L. / Keyser, G. L. / Fisher, B. D. et al. | NTRS | 1981


    Thunderstorm hazards flight research - Program overview

    Deal, P. L. / Keyser, G. L. / Fisher, B. D. et al. | NTRS | 1981


    Thunderstorm hazards flight research - Program overview

    DEAL, P. / KEYSER, G. / FISHER, B. et al. | AIAA | 1981


    Lightning attachment patterns and flight conditions for storm hazards, 1980

    Fisher, B. D. / Keyser, G. L., Jr. / Deal, P. L. | NTRS | 1982


    Lightning Attachment Patterns and Flight Conditions for Storm Hazards, 1980

    B. D. Fisher / G. L. Keyser / P. L. Deal | NTIS | 1982