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Air Law
ATC (Air Traffic Control Service) – Air Traffic Control Service
The air traffic control service is responsible for:
a) Preventing collisions between aircraft
b) Preventing collisions on the maneuvering area between aircraft and
obstacles, and promoting and regulating air traffic
ATS Authority – The authority designated by the relevant state as responsible
for the provision of air traffic services in a specific airspace.
Alert Phase – A situation where there is concern for the safety of an aircraft
and its occupants. Code designation ALERFA.
BL – Regulations for Civil Aviation, Denmark
CTA (Control Area) – A controlled airspace extending upwards from a defined
boundary above the earth's/water's surface.
CTR (Control Zone) – A controlled airspace extending upwards from the
earth's/water's surface to a defined upper boundary.
FIR (Flight Information Region) – A defined airspace within which flight
information and alarm services are provided.
FIS (Flight Information Service)
FIZ (Flight Information Zone) – An uncontrolled airspace created around an
uncontrolled aerodrome, extending upwards from the earth's/water's surface
to a defined upper boundary.
Flight Visibility – The visibility ahead from the cockpit of an aircraft during
flight.
Apron – A defined area at an aerodrome intended for aircraft to remain during
refueling, passenger or cargo loading/unloading, parking, or maintenance.
Expected Off-Block Time – The time at which an aircraft is expected to begin
taxiing for takeoff.
Approved Aerodrome – An aerodrome that has been approved by the Danish
Civil Aviation Administration for a specific activity.
Applicable Flight Plan – The flight plan, including any changes made by
subsequent clearances.
Flight Theory PPL(A)(UL)/LAPL Henning Andersen, Midtjysk Flyveskole© 2025 23