This datasheet provides data on ship/installation collision risks in relation to activities within the offshore oil & gas Exploration and Production industry, for use in Quantitative Risk Assessment (QRA). The risks related to icebergs are not considered. Ship traffic may be divided into two groups: • Passing vessels: Ship traffic which is not related to the installation being considered, including merchant vessels, fishing vessels, naval vessels and also offshore related traffic going to and from other installations than that being considered. • Field related: Offshore related traffic which is there to serve the installation being considered, e.g. supply vessels, oil tankers, work vessels.