Maritime Safety through investigation and cooperation

The Marine Accident Investigators’ International Forum (MAIIF) is an international non-profit organisation dedicated to the advancement of maritime safety and the prevention of marine pollution through the exchange of ideas, experiences and information acquired in marine accident investigation. Its purpose is to promote and improve marine accident investigation, and to foster cooperation and communication between marine accident investigators.



To foster, develop and sustain a co-operative relationship among national marine investigators for the purpose of improving and sharing of knowledge in an international forum.


To improve maritime safety and the prevention of pollution through the dissemination of information gained in the investigative process.


To encourage through co-operation the development, recognition, implementation and improvement of related international instruments, where appropriate.


Membership is open to national marine safety investigating authorities subject to the payment of an annual subscription.  The aims and objectives and the constitution of MAIIF are set out in the MAIIF Charter.

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Upcoming Meetings

MAIIF 30 – London

09/10/2023 – 13/10/2023– London

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