Simple pilotage and ship-handling simulators for exploring plans, speed, turning space, margin, assumptions and control before a job begins.
A simple simulator can make a plan discussable. It lets a team test timing, speed, turning room, stopping distance and margin before the actual operation asks for skill.
How quickly margin disappears, how speed affects options, how wind or tide changes recovery, and where control starts to feel expensive.
A lightweight simulator is not a certified bridge simulator and should not pretend to be one. Its value is in rehearsal, conversation and assumption testing.
Track lines, speed traces, rate of turn, clearance, margin scoring, VDR-style logs and simple debrief prompts.
The heavy moment is often shaped earlier. Rehearsal gives people somewhere to notice that before the job starts.
The diagram below is a simplified representation of the working prototype. It does not reproduce a real berth, vessel movement or operational plan.
A manoeuvre could be described in words and static diagrams, but it was harder to see how speed, turn timing and stopping distance interacted.
A lightweight browser simulator with a configurable vessel, wind and tide inputs, track display, speed and rate-of-turn information, margin checks and replayable logs.
The prototype made the planned sequence discussable: where speed reduced options, where turning space tightened and where a different early decision preserved more recovery room.
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