A specific, identifiable, unexpected, unusual and unintended external event caused by, or in connection with, the operation of an IWT vessel which occurs in a particular time and place, without apparent cause but with marked effect, resulting in any of the following:
- The death of, or serious injury to, a person;
- The loss of a person from the vessel;
- The loss, presumed loss or abandonment of the vessel;
- Material damage to the vessel;
- The stranding or disabling of the vessel, or its involvement in a collision;
- Material damage to the inland waterway infrastructure external to the vessel that could seriously endanger the safety of the vessel or another vessel or individuals;
- Severe damage to the environment, or the potential for severe damage to the environment, brought about by the damage of the IWT vessel.