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    Vota por este artículo Este artículo ha sido leido 1.199 veces

    Reciclaje de un avion Boeing 747

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    ¿De qué está hecho un Boeing 747–400, un avión en que seguramente más de alguna vez ha viajado?. Se compone de seis millones de partes, la mitad de las cuales son cierres o cerraduras; 274 kilómetros de cables, 8 kilómetros de tubos y 66.150 kilos de de alta resistencia. Y en cuanto a su peso, sepa que sólo una de sus alas pesa 43.090 kilos.

    Hasta nuestros días, la flota de 747 utilizada en el mundo ha recorrido cerca de 60 millones de kilómetros, equivalentes a alrededor de 75 mil viajes a la luna ida y vuelta, y ha transportado más de 3.500 millones de personas. Otro dato novedoso indica que si en toda la década de los setenta se fabricaron cerca de 100 aviones comerciales, sólo en el año 2005 se entregaron a las compañías aéreas unos 700.

    Así como maneja esas y otras estadísticas, la industria aeronáutica no dispone de antecedentes precisos sobre qué se hace con las decenas de aviones que dejan de operar cada año. Aunque los entendidos aseguran que la mayoría va a parar a cementerios aéreos, una parte se destina a labores de entrenamiento y el resto queda abandonado en algún lugar dentro de los mismos aeropuertos.

    Cabe indicar que las aeronaves, por lo general, se mantienen operando entre 20 y 30 años, ya que después de ese periodo los costos de mantenimiento se elevan considerablemente. La corrosión y la fatiga de material son dos de los problemas que atentan contra la prolongación de su vida útil.  En concreto, Boeing fundó la Asociación de Reciclaje de Flotas de Aviones (AFRA en su sigla en inglés), una unión de empresas de reciclaje que busca detener las prácticas inadecuadas de desecho de estos medios de transporte. El grupo pretende acordar un código de conducta para el desmontaje de aeronaves. AFRA tiene presencia activa en dos aeropuertos: Evergreen de Arizona, en Estados Unidos; y Chatearoux de Francia.

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