Special VFR flights may be authorised to operate within a control zone, subject to an ATC clearance, under the following conditions:
- SVFR flights may only be conducted during daytime
- Horizontal visibility must be greater than 1500 m (800m for helicopters)
- Ceiling must be greater than 80 m (600 ft)
- Maximum speed in order to anticipate conflicts by visual observation is 140 kts IAS.