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minimum crossing altitude
minimum crossing altitudeThe lowest altitude at certain radio fixes at which an aircraft must cross when proceeding in the direction of a higher minimum en route instrument flight rules altitude.minimum crossing altitude
minimum crossing altitude (MCA) The lowest altitude at specified radio fixes at which an aircraft must cross when proceeding in the direction of a higher minimum en route instrument flight rules altitude. It is depicted on the aeronautical charts as shown in the illustration.AcronymsSeemotorcycle accident |