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The Concorde and cosmic rays.

J Lavernhe, E Lafontaine, R Laplane

    Aviation, Space, and Environmental Medicine
    |February 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    In 1976, Concorde flights exposed passengers to minimal cosmic radiation, averaging 0.99 mrem/h. Radiation levels were higher on the Washington route compared to South American destinations.

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    Area of Science:

    • Aviation Medicine
    • Radiation Biology
    • Aerospace Engineering

    Background:

    • Commercial supersonic air travel, exemplified by Air France's Concorde in 1976, presented unique environmental factors for passengers and crew.
    • Understanding radiation exposure during high-altitude, high-speed flights is crucial for assessing health risks.

    Purpose of the Study:

    • To measure and analyze the cosmic radiation dose equivalent rate experienced during Concorde commercial flights in 1976.
    • To compare radiation exposure levels on different international routes (Washington, Rio de Janeiro, Caracas).

    Main Methods:

    • Continuous measurement of cosmic radiation dose equivalent rate during 772 commercial Concorde flights.
    • Data collection and analysis of flight times totaling 2,642 hours.

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  • Differentiation of radiation levels based on flight latitude (high vs. low).

    • Main Results:

    • The average cosmic radiation dose equivalent rate across all flights was 0.99 millirems per hour (mrem/h).
    • Flights to high-latitude destinations (Washington) showed a higher average rate of 1.49 mrem/h.
    • Flights to low-latitude destinations (Rio de Janeiro, Caracas) had a lower average rate of 0.78 mrem/h.

    Conclusions:

    • 1976 Concorde passengers and crew experienced very low radiation exposure.
    • The recorded radiation levels were significantly below the recommended annual limit for the general public (500 mrem/year).
    • Flight latitude is a significant factor influencing cosmic radiation exposure in supersonic aviation.