An aircraft crash location transmitter tuned to transmit on standard emergency frequencies is reported that is shock mounted in a sealed circular case atop the tail of an aircraft by means of a shear pin designed to fail under a G loading associated with a crash situation. The antenna for the transmitter is a metallic spring blade coiled like a spiral spring around the outside of the circular case. A battery within the case for powering the transmitter is kept trickle charged from the electrical system of the aircraft through a break away connector on the case. When a crash occurs, the resultant ejection of the case from the tail due to a failure of the shear pin releases the free end of the antenna which automatically uncoils. The accompanying separation of the connector effects closing of the transmitter key and results in commencement of transmission.


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    Titel :

    Aircraft-mounted crash-activated transmitter device


    Beteiligte:
    Manoli, R. (Autor:in) / Ulrich, B. R. (Autor:in)

    Erscheinungsdatum :

    31.08.1976


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Aircraft Mounted Crash Activated Transmitter Device

    R. Manoli / B. R. Ulrich | NTIS | 1974


    Aircraft-Mounted Crash-Activated Radio Device

    R. Manoli / B. R. Ulrich | NTIS | 1972



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