Basic Knowledge: General Aviation Altimeters The altimeter provides the basic function of indicating to the pilot the altitude of the aircraft above mean (average) sea level. The indicator is normally a 31/8” size dial face with multiple pointer
Selecting a Replacement Altimeter You can generally replace any standard TSO’d altimeter with any other standard TSO’d altimeter. You must verify that you meet the minimum altitude requirements for the aircraft, for example if the ai
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