AIRCRAFT PROVIDED WITH A DEVICE FOR ASSISTING THE PILOT WHEN CARRYING AN EXTERNAL LOAD WITH A SLING, AND A METHOD IMPLEMENTED BY SAID DEVICE
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United States of America Patent
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Issued Date -
Jun 9, 2011
app pub date -
Dec 3, 2010
filing date -
Dec 8, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to an aircraft (1) having a sling (3) fastened to a fastening point (9), a local transverse vertical plane (P1) containing said fastening point (9) being parallel to a yaw axis (AX1) and to a pitch axis (AX2), a local longitudinal vertical plane (P2) containing said fastening point (9) being parallel to a yaw axis (AX1) and to a roll axis (AX3), said local longitudinal and transverse vertical planes (P2 and P1) intersecting at a vertical axis (AX4). The aircraft (1) is provided with a piloting assistance device (10) comprising firstly main determination means (20) for determining a first main angle (.alpha.1) between said vertical axis (AX4) and a first primary projection (3') of said sling (3) on said local transverse vertical plane (P1) and a second main angle (.alpha.2) between said vertical axis (AX4) and a second primary projection (3'') of said sling (3) on said local longitudinal vertical plane (P2); and secondly display means (30) provided with a display screen (31) for quantitatively displaying said first and second main angles (.alpha.1, .alpha.2).
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