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Related Experiment Videos

Thermal data from helicopters operating in a sub-arctic environment

C Higenbottam, P Marcus, J Waddell

    Aviation, Space, and Environmental Medicine
    |July 1, 1977
    PubMed
    Summary

    Royal Navy helicopter aircrew experienced adequate warmth in a sub-Arctic climate due to effective cabin heating systems. The study confirmed that "arcticised" Wessex 5 aircraft prevented cold stress during flight operations.

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    Area of Science:

    • Aviation Medicine
    • Environmental Physiology
    • Aerospace Engineering

    Background:

    • Sub-Arctic climates pose significant thermal challenges for aviation operations.
    • Maintaining optimal aircrew body temperature is crucial for performance and safety.
    • Wessex 5 helicopters were modified with enhanced heating for cold weather operations.

    Purpose of the Study:

    • To assess the thermal environment within Royal Navy Wessex 5 helicopters during sub-Arctic operations.
    • To measure aircrew deep body and skin temperatures in flight.
    • To evaluate the efficacy of the aircraft's heating system in mitigating cold stress.

    Main Methods:

    • Utilized automatic and observer-operated equipment for thermal data collection.
    • Conducted in-flight measurements of front and rear cabin temperatures.

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  • Monitored aircrew deep body and skin temperatures during helicopter operations.

    • Main Results:

    • Cabin temperatures were maintained at levels sufficient to counteract extreme cold.
    • Aircrew deep body and skin temperatures indicated no significant cold stress.
    • The "arcticised" aircraft heating systems proved highly effective.

    Conclusions:

    • The enhanced heating systems in the "arcticised" Wessex 5 helicopters adequately protected aircrew from cold stress.
    • The aircraft's thermal management was sufficient for operations in a sub-Arctic environment.
    • Findings support the use of such modifications for cold-weather aviation.