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’.