| Segment | Ebene | Beschreibung | Opt/Mand. |
|---|
| UNH | 0 | A service segment starting and uniquely identifying a message. The message type code for the Vessel call information message is CALINF. Note: Vessel call information messages conforming to this document must contain the following data in segment UNH, composite S009: Data element 0065 CALINF D A UN | Mandatory |
| BGM | 0 | A segment to indicate the beginning of a message and to transmit identifying number. | Mandatory |
| DTM | 0 | A segment to indicate a date and/or time applying to the whole message, such as date and time of document or message issue. | Optional |
| SG1 | 0 | SG1 | Optional |
| FTX | 1 | A segment to specify free format supplementary information and to specify the type of cargo by a general goods description, such as: Change information Additional instructions Description of goods - general description. | Mandatory |
| MEA | 1 | A segment to specify total measurements, other than dimensions, applicable to the specified general description of goods, such as: Gross measurement or cube Gross weight. | Optional |
| EQN | 1 | A segment to specify the number of units relating to the specified general description of goods. | Optional |
| SG2 | 0 | SG2 | Optional |
| RFF | 1 | A segment to provide a reference relating to the whole message, such as: reference to previous message. | Mandatory |
| DTM | 1 | A segment to indicate date and/or time related to the reference. | Optional |
| SG3 | 0 | SG3 | Optional |
| NAD | 1 | A segment to identify a name and address of a party, such as: message sender message recipient ordering customer/principal ordering customer agent | Mandatory |
| SG4 | 1 | SG4 | Mandatory |
| CTA | 2 | A segment to identify a person or department for the party, such as: information contact | Mandatory |
| COM | 2 | A segment to identify a communication number of a person or department to whom information should be directed. | Optional |
| SG5 | 0 | SG5 | Optional |
| TDT | 1 | A segment to identify the transport details of the arriving vessel, such as voyage number or indication of sea transport for the arriving means of transport at arrival (so, the discharge voyage number). | Mandatory |
| DTM | 1 | A segment to identify a date and time related to the arrival and departure of the means of transport, such as estimated date and time of arrival and departure. | Optional |
| RFF | 1 | A segment to identify a relevant reference number, such as: Customs declaration number shipping line reference Voyage number or indication of sea transport for arriving means of transport at departure (so, the loading voyage number). | Optional |
| SG6 | 1 | SG6 | Optional |
| LOC | 2 | A segment to identify locations related to the transport details, such as: previous port of call next port of call place/port of discharge place of berth destination sailing area | Mandatory |
| DTM | 2 | A segment to specify date(s) and time(s) related to a location. | Optional |
| DIM | 1 | A segment to specify dimensions related to the arriving means of transport: Water displacement dimensions (width and/or length and/or draught of vessel). | Optional |
| FTX | 1 | A segment to provide supplementary information related to the means of transport, such as: additional remarks related to the transport remarks | Optional |
| SG7 | 0 | SG7 | Optional |
| QTY | 1 | A segment to specify the planned number of operations on equipment for the arriving vessel. | Mandatory |
| FTX | 1 | A segment to provide supplementary information related to the planned number of operations on equipment. | Optional |
| UNT | 0 | A service segment ending a message, giving the total number of segments in the message (including the UNH & UNT) and the control reference number of the message. | Mandatory |
