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Aircraft survivability system state management

  • US 5,508,928 A
  • Filed: 11/17/1992
  • Issued: 04/16/1996
  • Est. Priority Date: 11/17/1992
  • Status: Expired due to Fees
First Claim
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1. An aircraft survivability equipment configuration management display apparatus comprising:

  • a. an aircraft display for presentation of an aircraft survivability configuration;

    b. a plurality of actuated buttons coordinated with the aircraft display wherein the aircraft display shows an active configuration list and a next configuration list with at least one configuration parameter;

    c. aircraft survivability system state management means for providing the next configuration to the aircraft display comprising mode change detector means having a system mode input and a manual mode change output, system configuration sequencing means which receives the manual mode change output and has a segment number input, a sequencing update input, and a segment pointer signal output to a means for storing a system configuration plan, said means for storing a configuration plan stores multiple configuration plans which are sequenced through by receipt of the segment pointer signal, the means for storing system configuration plans provides a segment configuration data output and a segment timer output and a segment altitude output and a segment position output, the segment timer output is transmitted to a time comparison means for comparing a current time to the segment timer output having a time signal output, while the segment altitude output is transmitted to a altitude comparison means for comparing radar altitude to the segment altitude output, said altitude comparison means having an altitude signal output, a great circle distance computation means receives the segment position output as well as an actual aircraft position signal, said great circle distance computation means outputs a proximity signal which is compared to a reference radius to generate a position reference output which is transmitted to a zero or negative signal level detection apparatus along with the time signal output, the altitude signal output and a trigger input, said zero or negative signal level detection apparatus generates a segment activation output which is received by a system mode control processing means, said system mode control processing means also receives an ASE configuration select as well as the segment configuration data signal and outputs a mode control signal as well as a sequencing update signal to the system configuration sequencing means.

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