Approach Categories
- Approach categories are based on an aircraft Vref, if one is defined
- Otherwise it is based on 1.3 * Vso speed
| Category A | < 91 knots |
| Category B | > 91 knots and < 121 knots |
| Category C | > 121 knots and < 141 knots |
| Category D | > 141 knots and < 166 knots |
| Category E | > 166 knots |