How to Request a Special VFR Clearance

Weather below VFR in a towered surface area? You can ask for Special VFR — but you have to ask for it by name. · 5 min read

Basic VFR in controlled airspace at the surface normally requires 3 statute miles of visibility and staying a set distance from clouds. But sometimes an airport is reporting conditions below that — say 2 miles visibility under a 1,200-foot broken layer — while still being perfectly flyable for a careful pilot staying in the pattern or slipping out to better weather. For exactly that situation there is Special VFR (SVFR): within a towered airport’s surface area, ATC can clear you to operate clear of clouds with at least 1 statute mile of flight visibility. It is a real, legal tool — but it is never handed to you automatically. You have to request it by name, and until you do, the controller assumes you need basic VFR.

When it applies

Special VFR only exists inside the surface area of controlled airspace (the Class B, C, D, or E that touches the ground at an airport). It lets you depart or arrive when the field is below basic VFR minimums but you can maintain clear of clouds and 1 mile visibility. It is a way out of, or into, a marginal field — not a license to go scud-running across the countryside.

The request

Ask the tower plainly, saying "Special VFR" and your direction:

🎙 You say “Palo Alto Tower, Skyhawk Five-Two-Kilo, transient ramp, request Special VFR departure to the south.”

Facility · callsign · position · request SVFR + direction.

The clearance and readback

If traffic allows, Tower issues an SVFR clearance, usually with an altitude restriction to keep you below other traffic. Read it back in full:

📻 ATC says “Skyhawk Five-Two-Kilo, cleared out of the Palo Alto surface area, maintain Special VFR conditions, maintain at or below one thousand.”

🎙 You say “Cleared out of the surface area, maintain Special VFR, at or below one thousand, Five-Two-Kilo.”

The limits — respect them

Special VFR comes with real restrictions. For most pilots it is daytime-only: SVFR at night requires an instrument rating and an instrument-capable aircraft. Some of the busiest Class B airports prohibit SVFR entirely (you will see it noted on the sectional). And even when it is legal, it is only as safe as your judgment — 1 mile and clear of clouds is not much room if the weather is still deteriorating.

💡 Special VFR is a tool, not a habit. If you find yourself needing it often, that is a signal to build more weather margin into your planning, not to lean on the minimums.

💡 The only way this becomes automatic is saying it out loud, dozens of times, before you key a live mic. That is exactly what ATCpal is for — practice the Special VFR request and readback. Practice it free at atcpal.app.

Phraseology sourced from the FAA Aeronautical Information Manual (Change 3, effective 9 July 2026) and the Pilot/Controller Glossary. Check the AIM · Last reviewed 13 August 2026.

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