The Vessel tonnage information. TonnageData has the following child elements:
| Child | Namespace | Type | Use | Cardinality | Choice | Description |
|---|---|---|---|---|---|---|
| DeadWeight | ocx | ocx:Quantity_T | req. | [1, 1] | False | The weight of the passengers, crew, cargo, stores, ballast, fresh water, fuel oil, and other consumables being carried by a ship (see ISO 10303-215, section 4.2.74). |
| Tonnage | ocx | ocx:Quantity_T | req. | [1, 1] | False | She numerical value resulting from the tonnage calculation (see ISO 10303-215, section 4.2.165.3). |