essential
likely
maybe
probably not
Front (prompt)
Class C airspace — altitudes, sectional marking, drone rule?
Plain English (default view) — short, conversational, lightly seasoned with science
🔬 Scientific / formula (revealed on click) — markdown + $$…$$ ok
- 📐 **Altitudes** - Floor: surface (in core) - Ceiling: typically **4 000 ft AGL** - 🎨 **Sectional marking:** 🟪 **solid magenta** lines - 🏛️ **Shape:** two-ring layer cake - **Inner ring:** 5 NM radius, SFC – 4 000 AGL - **Outer shelf:** 10 NM radius, **1 200 AGL** – 4 000 AGL - 🛸 **sUAS rule:** ATC authorization required - 🏛️ **Found at:** Syracuse, Cleveland, Albany — mid-size towered airports
💡 Mnemonic / memory aid (shown on hover)
C = Solid magenta (think 'Cs = solid'). 4000 AGL ceiling. Rings 5/10 NM.
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