Cardinal Altitude
 

* 1.(See also Flight Level) Odd or Even thousand-foot altitudes or flight levels e.g., 5,000, 6,000, 7,000, FL 250, FL 260, FL 2
English Related Words* absolute altitude
* altitude
* altitude above sea level
* altitude acclimatization
* altitude azimuth
* altitude circle
* altitude control
* altitude datum
* altitude delay
* altitude difference
* altitude encoding
* altitude engine
* altitude height
* altitude hold
* altitude hole