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flight level "flight level" means one of a series of levels of equal atmospheric pressure, separated by notified intervals, and each expressed as the number of hundreds of feet which would be indicated at that level on a pressure altimeter calibrated in accordance with the standard in the International Standard Atmosphere and set to 1013.2 millibars;
PU(A) 139/1996 - CIVIL AVIATION REGULATIONS 1996
2. Interpretation. |