Article 159 Use of aerodromes by aircraft of Contracting StatesI1

The person in charge of any aerodrome in the Territory which is open to public use by aircraft registered in the Territory (or in the United Kingdom or another Territory) must cause the aerodrome, and all air navigation facilities provided at it, to be available for use by aircraft registered in other Contracting States on the same terms and conditions as for use by aircraft registered in the Territory.