A Flight Information Service (FIS) is a basic form of
Air Traffic Control service which is available to any aircraft within a
Flight Information Region (FIR), as agreed internationally by
ICAO.It is defined as information pertinent to the safe and efficient conduct of flight, and includes information on other potentially conflicting traffic, possibly derived from
radar, but stopping short of providing positive separation from that traffic. Flight Information also includes:Meteorological informationInformation on aerodromesInformation on possible hazards to flight
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