时间：2011-10-20 00:58来源：蓝天飞行翻译 作者：航空 点击：次
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b. ‘Intermittent Maximum Icing’. The intermittent maximum intensity of atmospheric icing conditions (intermittent maximum icing) is defined by the variables of the cloud liquid water content, the mean effective diameter of the cloud droplets, the ambient air temperature, and the inter-relationship of these three variables as shown in Figure 5. The limiting icing envelope in terms of altitude and temperature is given in Figure 6. The inter-relationship of cloud liquid water content with droplet diameter and altitude is determined from Figure 5 and Figure 6. The cloud liquid water content for intermittent maximum icing conditions of a horizontal extent, other than 2.6 n miles, is determined by the value of cloud liquid water content of Figure 5 multiplied by the appropriate factor in Figure 7 . ‘IFR conditions’ means weather conditions below the minimum for flight under visual flight rules. ‘Indicated airspeed’ means the speed of an aircraft as shown on its pitot static airspeed indicator calibrated to reflect standard atmosphere adiabatic compressible flow at sea level uncorrected for airspeed system errors. ‘Instrument’ means a device using an internal mechanism to show visually or aurally the attitude, altitude, or operation of an aircraft or aircraft part. It includes electronic devices for automatically controlling an aircraft in flight. ‘Landing gear extended speed’ means the maximum speed at which an aircraft can be safely flown with the landing gear extended. ‘Landing gear operating speed’ means the maximum speed at which the landing gear can be safely extended or retracted. ‘Large aeroplane’ means an aeroplane of more than 5 700 kg (12 500 pounds) maximum certificated take-off weight. The category ‘Large Aeroplane’ does not include the commuter aeroplane category (For commuter aeroplane category, see CS 23.1 and CS 23.3). |
