| Class | Description |
|---|---|
| TLcdAIXM51SafeAltitudeAreaSector |
Subdivision of the MSA to allow for lower altitudes.
|
| TLcdAIXM51SafeAltitudeAreaTimeSlice |
A set of Minimum Sector Altitudes which completely describe an area centred on a significant point, usually contained within a sector of 46km (25NM) radius.
|