Article 89 Provision of air traffic services
In the case of an aerodrome (other than a Government aerodrome) in respect of which there is equipment for providing aid for holding, aid for let-down or aid for an approach to landing by radio or radar, the person in charge of the aerodrome shall—
inform the Governor in advance of the periods during and times at which any such equipment is to be in operation for the purpose of providing such aid as is specified by the said person; and
during any period and at such times as are notified, cause an approach control service to be provided.
The Governor may in the interests of safety direct the person in charge of an aerodrome that there shall be provided in respect of any aerodrome (other than a Government aerodrome) such air traffic control service, aerodrome flight information service or means of two-way radio communication as the Governor considers appropriate.
The Governor may specify in a direction under this article the periods during which, the times at which, the manner in which and the airspace within which such a service or such means shall be provided.
The person who has been so directed shall cause such a service or such means to be provided in accordance with any such direction.