| Field identifier | ATT_SEG |
| Field description | Number of attached segments available |
| Element type | CbuItemType |
| Field type | Short |
| Required | No |
| Length | |
| Comment | Number between 0 and 99, no decimals |
| Dictionary field | Contigous/attached segments (Number of attached segments available for a unit) |
| EMDIS fields related to dictionary field |
CB_ATT_SEG |