Lesson previewWhat Pilotage Means1 section shown
Preview lesson
What Pilotage Means
What you will learn
Explain how pilotage turns a close-water route into short observable stages, then use a repeatable loop to keep the real scene connected to the plan.
Pilotage is the close-control part of navigation near harbours, channels, rivers and hazards. It combines a prepared plan with repeated checks of what the crew can actually see and measure.
Confined water reduces the time and sea room available to discover an error. Pilotage therefore cross-checks a current chart and publications with visible marks, depth, compass, distance, time, electronic position, traffic and local information. It is not visual navigation instead of electronics, and it is not following a plotter line instead of looking outside.
Break the route into short stages. Each stage should name what ought to be observed, the expected order or trend, the next action and the limit that triggers a hold or turn away. The useful question is not merely ‘Where are we?’ but ‘Does the evidence still support the next safe action?’
Use a four-part loop: observe, compare, control and confirm. Identify the available evidence, compare it with the planned stage, make a proportionate course, speed or workload decision, then check that the response produced the expected margin. If the evidence remains incoherent, use the planned waiting or abort choice while it is still easy.
Cockpit decision loop
Observe, compare, control, confirm
- 1Observe
Identify the mark, depth, bearing, traffic or position evidence.
- 2Compare
Test the observed sequence and trend against the prepared stage.
- 3Control
Adjust course, speed or workload—or use the planned hold or abort.
- 4Confirm
Check that the action restored the expected margin and picture.
A pilotage plan is monitored as a loop, not consumed as a list of waypoints.
| Stage | Question aboard | Typical evidence or response |
|---|---|---|
| Observe | What can we identify now? | Mark, alignment, depth, bearing, traffic, time or electronic position |
| Compare | Does it match the planned stage? | Expected side, order, trend, distance, time and depth |
| Control | What action protects the margin? | Course, speed, crew task, call, hold or abort |
| Confirm | Did that action work? | New alignment, clearance, depth trend and traffic picture |
Detect a plan that is beginning to fail
The next planned lateral mark is not visible, the echo sounder is shoaling earlier than expected and a ferry has begun to leave the entrance.
1. Observe
Name the missing mark, unexpected depth trend and changing traffic as separate pieces of evidence.
2. Compare
Recognise that two independent navigation cues and the traffic assumption no longer support the planned stage.
3. Control and confirm
Reduce speed or use the pre-briefed holding area, then rebuild the position and traffic picture before deciding whether to continue.
Sense check: A sound response creates thinking time and sea room. Continuing towards the next waypoint while trying to explain the mismatch removes both.
Common mistake or limitation
- Treating pilotage as ‘eyes only’ ignores useful depth, compass, time and electronic evidence; treating it as ‘screen only’ removes independent observation.
- Passing the last easy holding or turn-away point without the required cue changes a manageable uncertainty into a committed approach.
Recap
- Prepare observable stages before the workload rises.
- Run observe, compare, control and confirm throughout the approach.
- Protect time and sea room whenever independent evidence disagrees.
Optional quick check
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