CHARACTERISTICS IN ATMOSPHERE OF LONG-RANGE TRANSPORT AIRCRAFT CABINS

  • 1 January 1977
    • journal article
    • research article
    • Vol. 48  (6) , 503-507
Abstract
In the long run, the fatigue in aircrews performing frequent, long-range flights is linked to factors connected to the aircraf, such as noise, temperature, cabin pressure, atmosphere quality and flight characteristics. These are the factors inherent to the aircraft which were investigated during 6 long-range flights without time zone changes in DC-8 and DC-10 aircraft of the U.T.A. Cie. None of the pollutants researched reached doses considered hazardous by FAR 25 or by French legislation. This fact was due to the effective ventilation in the cabins. In flight, thermal comfort was limited by a too-low hygrometry RH [relative humidity] = 12%. Even in modern aircraft, the noise level remains high, but acoustical energy is spread over the less detrimental frequencies.

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