Here is the link that Walter Sidor sent into the Mail list

http://www.landfallnavigation.com/safetycheck.html

Passage planning mind map

here is an interesting site, an attempt at doing a mindmap of all of the concerns to address before a passage http://www.sv-moira.com/freemindbrowser.html

Martin, as the ops guy for the trip, this may be of particular interest to you.