A marine incident may include the following:

• Death of, or injury to, a person associated with the operation or navigation of a vessel
• The loss or presumed loss of a vessel
• Collision of a vessel with another vessel
• Collision by a vessel with an object
• The grounding, sinking, flooding or capsizing of a vessel
• Fire on board a vessel
• Loss of stability of a vessel that affects the safety of the vessel
• The structural failure of a vessel
• A close quarters situation
• A dangerous occurrence, which is an occurrence that could have caused the death of, or serious personal injury to, any person on the vessel

It can also include:

• An event that results in, or could have resulted in:
  • the death of, or injury to, a person on board a vessel
  • the loss of a person from a vessel
  • a vessel becoming disabled and requiring assistance
• The fouling or damaging by a vessel of:
  • any pipeline or submarine cable
  • any aid to navigation
• Other incidents that are prescribed by the regulations include but are not limited to:
  • failure in operation of a component of material handling equipment, whether or not a person is injured because of the failure
  • loss of cargo of a vessel
  • significant damage to a vessel
  • a seafarer is injured or contracts an illness that incapacitates them from the performance of their duty
• Any serious danger to navigation on or near the course of the vessel.

To report a marine incident, use the following forms:

Incident alert form 18

Incident report form 19