Marine Investigation Report M09L0068

Capsizing
Rescue boat 1815
Off Sainte-Thérèse Island
Montréal, Quebec

The Transportation Safety Board of Canada (TSB) investigated this occurrence for the purpose of advancing transportation safety. It is not the function of the Board to assign fault or determine civil or criminal liability. This report is not created for use in the context of legal, disciplinary or other proceedings. See Ownership and use of content.

Table of contents

Appendices

Appendix A — Area of the occurrence

Appendix B — Excerpt from ISO 12217-1

Option 1 2 3 4 5 6
Categories possible A and B C and D B C and D C and D C and D
Decking or covering Fully decked Fully decked Any amount Any amount Partially decked Any amount
Downflooding openings Yes Yes Yes Yes Yes Yes
Downflooding height test Yes Yes Yes Yes a Yes Yes
Downflooding angle Yes Yes Yes Yes a    
Offset-load test Yes Yes Yes Yes Yes Yes
Resistance to waves + wind Yes   Yes      
Heel due to wind action   Yes b   Yes b Yes b Yes b
Flotation requirements     Yes Yes    
Flotation material     Yes Yes