most probable position

most probable position
The most accurate estimate of position where an element of doubt exists as to the true position. The accuracy of the MPP is greatly dependent on the accuracy of the involved position lines, as well as the time since the last fix. The MPP may be plotted from one or more position lines.
Area of uncertainty around the air plot position is 8 NM/h if TAS is up to 250 knots and 20 NM/h if TAS is greater than 250 knots. Aircraft’s most probable position is within this circle.
50% area of probability is 1% along track and 3% across track of distance flown since resetting clouds ground position indicator. Aircraft’s most probable position will lie in this area.

Aviation dictionary. 2014.

Игры ⚽ Поможем сделать НИР

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