| Class | Description |
|---|---|
| TLcdAIXM51StandardLevel |
A specified cruising level, part of a column within a table of discrete cruising levels used by General Air Traffic.
|
| TLcdAIXM51StandardLevelColumnTimeSlice |
A column of consecutive cruising levels within a standard level table.
|
| TLcdAIXM51StandardLevelSectorTimeSlice |
The general rule by which standard level columns are used in a national airspace or within a region.
|
| TLcdAIXM51StandardLevelTableTimeSlice |
A table of consecutive cruising levels described under vertical separation criteria limited by an upper and lower level and used by General Air Traffic.
|