Definition
An ATC authorization permitting a pilot to operate under visual flight rules within Class B, C, D, or E surface areas when the weather is below basic VFR minimums. The pilot must remain clear of clouds and have at least 1 statute mile flight visibility (helicopters have no minimum visibility requirement during the day, but pilots must still be able to see and avoid obstacles). An SVFR clearance must be specifically requested by the pilot and issued by ATC, and it applies only within the controlled airspace surface area, not en route.
Plain English
Permission from air traffic control to fly using visual rules in airspace around an airport even when the weather is worse than the normal visual limits. You stay out of the clouds, keep the airport in sight, and only use it inside that controlled airspace.
Context Anchor
Seen in helicopter point-in-space approach discussions when a pilot may need ATC permission to continue visually to or from a landing area in lower weather.
Derivation
"Special" here means a non-standard authorization granted by ATC on request — different from regular VFR, which a pilot may exercise without permission whenever the weather meets the standard minimums.
Why Pilots Care
Allows helicopters to continue visual segments of an approach when standard VFR weather does not exist but safe visual reference is still possible.
Grounding Statement
Picture a helicopter pilot who can see well enough to avoid clouds and obstacles near the landing site, but the airport weather report is too low for normal VFR; an SVFR clearance is the ATC permission that may allow that visual operation.
Intuition Check
Do not read “clearance” as a guarantee that the flight is safe. It means ATC has given permission; the pilot is still responsible for staying clear of clouds, seeing and avoiding hazards, and deciding whether the flight can be made safely.
Example Sentence 1
After completing the PinS approach, the pilot requested an SVFR clearance from the tower to proceed visually to the hospital helipad.
Example Sentence 2
With the SVFR clearance in hand the helicopter descended while maintaining one mile visibility and staying clear of clouds.