Definition of illegal sometimes disparaging + offensive : a person who enters or lives in a country without the documentation required for legal entry or residence
aerial noun [C]. âº a âstructure made of âmetal ârods or âwires that âreceives or âsends out âradio or âtelevision âsignals.
AIRSPACE EXPLAINED. Airspace is an area of aeronautical knowledge that is commonly poorly demonstrated on airman. practical tests. Even when airman applicants demonstrate knowledge of the airspace system that. meets the minimum standard necessary for issuance on an airman certificate or rating, it is. usually clear that this knowledge level has been achieved as a result of rote learning (learning.