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Automatic release of a load from a helicopter external cargo suspension system

  • US 5,465,925 A
  • Filed: 05/27/1994
  • Issued: 11/14/1995
  • Est. Priority Date: 05/27/1994
  • Status: Expired due to Term
First Claim
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1. A helicopter external cargo suspension system, comprising:

  • at least one suspension point for externally suspending cargo from the helicopter;

    each suspension point having a load sensor for sensing the weight exerted by cargo at each suspension point and for providing weight signals indicative thereof;

    each suspension point having disconnect means responsive to the absence of a disconnect signal for maintaining a connection between the helicopter and cargo via said suspension point and responsive to the presence of said disconnect signal for disconnecting cargo from the helicopter;

    signal processing means responsive to said weight signals for determining if a failure mode has occurred, and for providing a disconnect signal to all of said disconnect means if a failure mode is determined.

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