Submit a marine incident alert (AMSA Form 18)

Notify AMSA as soon as possible after becoming aware of an incident

Note: Under Marine Order 1 (Administration) 2013, regulated Australian vessels and foreign vessels must submit an incident alert (Form 18) within 4 hours.

If you have trouble with the online form, download the PDF version of AMSA Form 18 (PDF 236.65 KB) and email your completed response to

Find out more about reporting a marine incident

Giving false or misleading information is a serious offence under section 137.1 of the Criminal Code. Aiding, abetting, counselling or procuring a person to submit false or misleading information is also an offence.

Last updated: 

Thursday 2 November 2023