Airspace Class
glossary.index.last_updated_prefix April 20, 2026 ยท glossary.index.editorial_byline
glossary.index.h2_what_is
glossary.airspace-class.definition
| Class | IFR | VFR | ATC Clearance | Separation |
|---|---|---|---|---|
| A | Yes | No | Required | All aircraft |
| B | Yes | Yes | Required | All aircraft |
| C | Yes | Yes | Required | IFR from IFR + VFR |
| D | Yes | Yes | Required | IFR from IFR |
| E | Yes | Yes | IFR only | IFR from IFR |
| F | Yes | Yes | Advisory | IFR from IFR (advisory) |
| G | Yes | Yes | Not required | None |
glossary.index.h2_how_used
glossary.airspace-class.how_its_used