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Altitude sparse aircraft display
| Details |
Inventors: Tognazzini, Bruce;
Assignee: Sun Microsystems, Inc. (Palo Alto, CA)
Primary Examiner: Chin; Gary
Assistant Examiner:
Attorney, Agent or Firm: McDermott, Will & Emery
A system, method, apparatus, and computer program product for avoiding aircraft collisions with stationary obstacles. The aircraft is provided with a simplified uncluttered onboard display of all objects which are in or proximate to the projected path of the aircraft at its particular altitude plus or minus a predetermined increment, such as 100 feet constituting a hazard zone. The display presents the hazards in that zone in geographical relationship to the position and path of the aircraft. In addition to the obstacles in the hazard zone the display may also present topographical features of the underlying terrain. This information is in the form of a muted presentation of a topographical moving map. As the aircraft approaches a hazard in the hazard zone the presentation of the obstacles or hazards within the zone is enhanced to draw increasing attention of the pilot. When the aircraft arrives at the periphery of a predetermined hazard avoidance maneuver area where evasive action is imperative, the display undergoes a dramatic change. A further feature of the system may give an audible warning in addition to audible directions as to the action to be taken to avoid collision. |
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DETAILED DESCRIPTION The invention provides a system, method, apparatus, and computer program product for avoiding aircraft collisions with stationary obstacles.
According to the invention the aircraft is provided with a simplified uncluttered onboard display of all objects which are in or proximate to the projected path of the aircraft at its particular altitude plus or minus a predetermined increment, such as 100 feet.
This vertical sector constitutes the hazard zone.
The display presents the hazards in that zone to the pilot in accurate geographical relationship to the position and path of the aircraft.
In addition to the obstacles in the hazard zone the display may also present simplified information with respect to underlying topographical features of the terrain.
This information is preferably in the form of a muted presentation of a topographical moving map of the area underlying and ahead of the aircraft.
As the aircraft approaches a hazard in the hazard zone the presentation of the obstacles or hazards within the zone is modified to draw increasing attention of the pilot.
Such modification may take the form of color and brightness changes and increasing contrast between the presentation of the objects within the hazard zone and the topography below.
When the aircraft arrives at the periphery of a predetermined hazard avoidance maneuver pilot to quickly assess whether or not a target altitude will be reached before a particular location over the ground.
The essential display elements of a typical alerting system for aircraft is a cathode ray tube with a multicolor capability located at a point easily viewable from a pilot's position such as on the pilot's forward main engine instrument panel.
Two colors are generally used, one for warnings (emergency operational or aircraft system conditions that require immediate corrective or compensatory action by the crew) which may be presented in red alphanumerics; cautions, conditions that require immediate crew awareness and eventual corrective or compensatory action and advisories may be presented with amber alphanumerics
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