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During a flight, a flight plan can be filed at the...

  • A

    Flight Information Service (FIS).

  • B

    Search and Rescue Service (SAR).

  • C

    Next airport operator en-route.

  • D

    Aeronautical Information Service (AIS).

A ‘Flight Information Service’ (FIS) is a form of Air Traffic Service (ATS) which is available to any aircraft within a ‘Flight Information Region’ (FIR). Any FIS-unit provides information and assistance useful for the safe and efficient conduct of the flight, at the request of the pilot.

Flight Information Service is defined as “information pertinent to the safe and efficient conduct of flight” and include the provision of pertinent information in regard to the following elements:

  • Weather conditions both reported and forecasted.
  • Information on changes in the availability of radio navigation services.
  • Information on changes in condition of aerodromes and associated facilities.
  • Information on unmanned free balloons.
  • Information concerning volcanic activity and the release into the atmosphere of radioactive materials or toxic chemicals constituting a danger to aviation.
  • And any other information likely to affect safety (e.g. actual information on the use of airspace, e.g. activation of CTRs and/or danger/restricted areas, known parachute activities as well as traffic information on other flights)

When flying to or via another country or through controlled airspace where an ATC-clearance is needed, a flight plan (or at least abbreviated information) is usually mandatory. Further information can be found in national AIPs. A filed flight plan makes work for any FIS-unit less difficult, as the most important information about a flight is already saved and can be quickly viewed. In some countries a flight plan might be mandatory - even for VFR flights. In some cases (depending on the local regulations), it might be possible to file a flight plan in the air (AFIL). Usually this can be done on the FIS-frequency and it is then distributed to the appropriate AIS.

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  • Austro Control