Zone transit & Special VFR
- You can't enter controlled airspace (a control zone or area) without a clearance. Call the controlling unit and request a zone transit, then pass your details when asked.
- The clearance may be a Special VFR (SVFR) clearance — permission to fly in the zone, usually with a route and a level restriction.
- Read back the clearance, the route and any level restriction — they are mandatory readbacks.
- If you're not cleared, remain clear of the zone.
“… cleared to the zone boundary, route via Whiskey, Special VFR not above altitude 1500 feet” → readback: “Cleared to the zone boundary, route via Whiskey, Special VFR not above altitude 1500 feet, G-ABCD”