1.

WHAT_INSTRUMENT_IS_USED_TO_MEASURE_THE_AIRCRAFT‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_ALTITUDE_DURING_THE_APPROACH_PHASE??$#

A. Pressure altimeter
B. Radio altimeter
C. Sound altimeter
D. Infrared altimeter
Answer» C. Sound altimeter


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