Glossary
Glossary
Browse the glossary using this index
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Airport diagram The section of an instrument approach procedure chart that shows a detailed diagram of the airport. This diagram includes surface features and airport configuration information. | |
Airport surveillance radar (ASR)Approach control radar used to detect and display an aircraft’s position in the terminal area. | |
Airport surveillance radar approachAn instrument approach in which ATC issues instructions for pilot compliance based on aircraft position in relation to the final approach course and the distance from the end of the runway as displayed on the controller’s radar scope. | |
Airport/Facility Directory (A/FD)See Chart Supplement U.S. | |
Airspeed Rate of the aircraft’s progress through the air. | |
Airspeed indicator A differential pressure gauge that measures the dynamic pressure of the air through which the aircraft is flying. Displays the craft’s airspeed, typically in knots, to the pilot. | |
Airway An airway is based on a centerline that extends from one navigation aid or intersection to another navigation aid (or through several navigation aids or intersections); used to establish a known route for en route procedures between terminal areas. | |
Airworthiness Certificate A certificate issued by the FAA to all aircraft that have been proven to meet the minimum standards set down by the Code of Federal Regulations. | |
Airworthiness Directive A regulatory notice sent out by the FAA to the registered owner of an aircraft informing the owner of a condition that prevents the aircraft from continuing to meet its conditions for airworthiness. Airworthiness Directives (AD notes) are to be complied with within the required time limit, and the fact of compliance, the date of compliance, and the method of compliance are recorded in the aircraft’s maintenance records. | |