There are several types of position line: Compass bearing – the angle between north and the line passing through the compass and the point of interset Transit – a line passing through the observer and to other reference points Leading line – the line passing through to marks indicating a safe channel Leading lights – the line passing through to beacons indicating a safe channel Sector lights – the lines created by masked coloured lights that indicate a safe channel
There are several types of position line: Compass bearing – the angle between north and the line passing through the compass and the point of interset Transit – a line passing through the observer and two other reference points Leading line – the line passing through two marks indicating a safe channel Leading lights – the line passing through two beacons indicating a safe channel Sector lights – the lines created by masked coloured lights that indicate a safe channel
R
to
two
R
to
two
R
to
two