For each ship:
Time, position, course and speed (and method by which established), when presence of other ship first became known
Details of all subsequent alterations of course and speed up to collision by own ship
Bearing, distance and heading of other ship, if sighted visually, time of sighting, and subsequent alterations
Bearing and distance of other ship, if observed by radar, timing of observations and subsequent alterations of bearing
If other ship was plotted and by what method (auto-plot, reflection plotter, etc.), and copy of plot, if available
Check performance of equipment
Course recorder
Lights/day signals carried and operated in ship, and those seen in other ship
Sound signals, including fog signals, made by ship and when, and those heard from other ship and when
If a listening watch was kept on VHF radio channel 16, or other frequency, and any messages sent, received or overheard
Number of radars carried on ship, number operational at time of casualty, together with ranges used on each radar
Whether steering by hand or automatic
Check that steering was operating correctly
Details of look-out
The parts of each ship which first came into contact and the angle between ships at that time
Nature and extent of damage
Compliance with statutory requirement to give name and nationality to other ship and to stand by after collision
2.3 Grounding
Details of voyage plan, or evidence of voyage planning
Last accurate position and how obtained
Subsequent opportunities for fixing position or position lines, by celestial or terrestrial observations, GPS, radio, radar or otherwise, or by lines of soundings and, if not taken, why not
Chart datum comparison to WGS datum
Subsequent weather and tidal or other currents experienced
Effect on compass of any magnetic cargo, electrical disturbance or local attraction
Radar/s in use, respective ranges used, and evidence of radar performance monitoring and logging
Charts, sailing directions and relevant notices to mariners held, if corrected lo date, and if any warnings they contain had been observed
Depth sounding taken, when and by what means
Tank soundings taken, when and by what means
Draught of ship before grounding and how determined
Position of grounding and how determined
Cause and nature of any engine or steering failure before the grounding
Readiness of anchors, their use and effectiveness
Nature and extent of damage
Action taken, and movements of ship, after grounding
(Note: information as in cases of foundering may also be required)
