Method and a device for assisting the piloting of a rotary wing aircraft in the vicinity of a landing or takeoff point
First Claim
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1. A method of assisting the piloting of a rotary wing aircraft in the vicinity of a landing or takeoff point, the method comprising:
- using a computer configured to determine the locus of entry and/or exit points for a given approach and/or departure altitude that are not safe for reaching said landing point or on leaving said takeoff point of the rotary wing aircraft, on the basis of coordinates for the landing or takeoff point input into the computer by a tool for inputting coordinates and suitable for being manipulated by a pilot, and taking account of a climb/descent template or profile of the rotary wing aircraft; and
presenting a diagram including said locus on a display device,wherein a limit curve segment is determined corresponding to the trace in the plane or level corresponding to said altitude of the template or profile passing through the landing or takeoff point and grazing or bearing against the top of an obstacle extending in the vicinity of the landing or takeoff point; and
wherein at least one segment of the limit curve is determined that extends in a plane or level corresponding to said altitude, the portion of the limit curve separating the locus of safe entry and/or exit points from unsafe entry and/or exit points, and the landing or takeoff point together with the segment of the limit curve are displayed on the display device.
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Abstract
The invention relates to a method for assisting the piloting of an aircraft in the vicinity of a landing or takeoff point, by:
- determining the locus of entry and/or exit points for a given approach and/or departure altitude that are not safe for reaching the landing and/or takeoff point; and
- presenting a diagram including said locus on a display device.
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Citations
18 Claims
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1. A method of assisting the piloting of a rotary wing aircraft in the vicinity of a landing or takeoff point, the method comprising:
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using a computer configured to determine the locus of entry and/or exit points for a given approach and/or departure altitude that are not safe for reaching said landing point or on leaving said takeoff point of the rotary wing aircraft, on the basis of coordinates for the landing or takeoff point input into the computer by a tool for inputting coordinates and suitable for being manipulated by a pilot, and taking account of a climb/descent template or profile of the rotary wing aircraft; and presenting a diagram including said locus on a display device, wherein a limit curve segment is determined corresponding to the trace in the plane or level corresponding to said altitude of the template or profile passing through the landing or takeoff point and grazing or bearing against the top of an obstacle extending in the vicinity of the landing or takeoff point; and wherein at least one segment of the limit curve is determined that extends in a plane or level corresponding to said altitude, the portion of the limit curve separating the locus of safe entry and/or exit points from unsafe entry and/or exit points, and the landing or takeoff point together with the segment of the limit curve are displayed on the display device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 18)
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10. A device for assisting the piloting of a rotary wing aircraft in the vicinity of a landing or takeoff point,
the device comprising: -
a database on a computer readable medium containing characteristics of obstacles; a computer configured to read the characteristics of obstacles from the database; a tool for inputting into the computer the coordinates of a landing or takeoff point for said rotary wing aircraft; the computer configured to respond to the coordinates of the landing or takeoff point and to an approach or departure altitude to determine the locus of entry and/or exit points at said altitude that are unsafe, taking account of a predetermined climb/descent template or profile of said rotary wing aircraft; and means for presenting said locus to the pilot, wherein said computer is configured to determine a limit curve segment corresponding to a trace in a plane or a level corresponding to said altitude of the template or profile passing through the landing or takeoff point and grazing or bearing against the top of an obstacle extending in the vicinity of the landing or takeoff point. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification