'Airfield Activities' means the activities undertaken (including the facilities and services provided) to enable the landing and take-off of aircraft; and includes -

(a) The provision of any one or more of the following:

    (i) Airfields, runways, taxiways, and parking aprons for aircraft:

    (ii) Facilities and services for air traffic and parking apron control:

    (iii) Airfield and associated lighting:

    (iv) Services to maintain and repair airfields, runways, taxiways, and parking aprons for aircraft:

    (v) Rescue, fire, safety and environmental hazard control services:

    (vi) Airfield supervisory and security services:

(b) The holding of any facilities and assets (including land) acquired or held to provide airfield activities in the future (whether or not used for any other purpose in the meantime)