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Systems and methods for selectively altering a ground proximity message

Inactive Publication Date: 2011-02-03
HONEYWELL INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although TAWS are generally effective in enhancing the safety of flight, drawbacks nevertheless exist.
Accordingly, the numerous terrain proximity messages may constitute a nuisance that may distract the flight crew from other important flight-related tasks.

Method used

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  • Systems and methods for selectively altering a ground proximity message
  • Systems and methods for selectively altering a ground proximity message
  • Systems and methods for selectively altering a ground proximity message

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Embodiment Construction

[0010]The present invention relates to systems and methods for selectively altering a ground proximity alert level in a Terrain Awareness and Warning Systems (TAWS). Many specific details of certain embodiments of the invention are set forth in the following description and in FIGS. 1 through 4 to provide a thorough understanding of such embodiments. One skilled in the art, however, will understand that the present invention may have additional embodiments, or that the present invention may be practiced without several of the details described in the following description. In the discussion that follows, it is understood that the term “aircraft” may apply to various flight vehicles known in the art, such as manned fixed and rotary wing aircraft, or even unmanned flight vehicles.

[0011]FIG. 1 is a block diagrammatic view of a system 10 for selectively altering a ground proximity message for an aircraft, according to an embodiment of the invention. The system 10 includes a look-ahead w...

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Abstract

Systems and methods for selectively altering a ground proximity warning message. In an embodiment, a ground proximity warning system for a flight vehicle includes a processor that is configured to generate a look-ahead envelope that defines a region extending outwardly from the flight vehicle and to generate a terrain proximity message when the defined region intersects a terrain feature. An interface device is coupled to the processor that is operable to configure the system in a first operating mode wherein the generated terrain proximity message is selectively suppressed, and a second operating mode wherein the terrain proximity message is not suppressed.

Description

BACKGROUND OF THE INVENTION[0001]Terrain Awareness and Warning Systems (TAWS) for aircraft such as fixed wing and rotary wing vehicles have significantly contributed to the safety of flight. Briefly, and in general terms, the TAWS is operable to acquire selected flight-related information from various aircraft systems and to obtain terrain information for topological features surrounding the aircraft. The TAWS is configured to process the flight-related information and the terrain information to determine if a potential safety condition due to terrain proximity is present. If a terrain proximity hazard is determined to exist, the TAWS provides a flight crew with a suitable audible and / or visual warning that timely alerts the flight crew regarding the detected terrain hazard.[0002]Although TAWS are generally effective in enhancing the safety of flight, drawbacks nevertheless exist. For example, in certain geographical locations, the aircraft may be intentionally operated relatively c...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G01C5/00
CPCG01C23/005G08G5/045G08G5/0086G08G5/0021
Inventor ISHIHARA, YASUOJOHNSON, STEVE C.
Owner HONEYWELL INT INC
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