3.16.4.2 NAVIGATION AND COMMUNICATIONS EQUIPMENT IN USE
AT THE TIME OF THE INCIDENT
Radars – short description of radar settings and changes to
the settings with exact times prior to the incident
GPS systems – position recorded after button pressed (if done)
electronic chart display – short description of the chart used
and when last updated
any other navigation or communication equipment used to be described
as above
echo sounder and echo sounder trace – description and range used
any other navigation or communication equipment used to be described
as above.