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Communication system from airport gate to cockpit

  • US 8,174,396 B1
  • Filed: 04/01/2009
  • Issued: 05/08/2012
  • Est. Priority Date: 04/01/2009
  • Status: Active Grant
First Claim
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1. An apparatus for visually communicating to a pilot in the cockpit of an aircraft parked at an airport gate regarding a status of a preconditioned air unit associated with the gate comprising:

  • an electrically controlled PCA indicator box positioned at the gate so that the message of the PCA indicator box is visible to the pilot in the cockpit;

    the PCA indicator box having a first appearance when the preconditioned air unit is not operating; and

    the PCA indicator box having a second appearance when the preconditioned air unit is operating.

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