释义 |
area of probability
area of probabilityThe area around a fix, within which for a stated level of probability, the true position is considered to occur. The 50% probability area of uncertainty around an airplot DR (dead reckoning) position is a circle of radius of 8 NM/h for aircraft up to 250 knots and 20 NM/h if the TAS (true air speed) is above 250 knots.AcronymsSeeAOP |