Civil aircraft holding an ICAO ‘Standard Airworthiness Certificate’ and registered in a State acceded to:

  • the Convention on International Civil Aviation, signed at Chicago on 7 December 1944;
  • the International Air Services Transit Agreement, signed at Chicago on 7 December 1944 (commonly known as the Transit Agreement for scheduled air services);
  • the Multilateral Agreement on Commercial Rights of Non-Scheduled Air Services in Europe, done at Paris on 30 April 1956;

may fly over Belgian territory without any specific authorization.


Other civil aircraft must apply in due time* for an overflight permission and provide following information:

  • Name, address, phone and fax number and/or e-mail address;
  • Registration marks, nationality and type of aircraft;
  • Airport of departure and arrival;
  • Route, date of flight, time and point of crossing of the borders of the Belgian FIR.

* ‘In due time’ means at least:

  • 3 business days (except Saturdays, Sundays and official Belgian public holidays) before the departure of the overflight;
  • In case of scheduled flights or a series of passenger flights, 1 month before the start of the referred IATA season.



  • The transport of dangerous goods and/or weapons is subject of a separate authorization: ‘Application for permission to carry dangerous goods and/or arms Form B’.
  • Aircraft without an ICAO ‘Standard Airworthiness Certificate’ have to apply for a ‘Permit to Fly’.