Essential Navigation revision module 1 of 10

ENS

Navigation and Safety Basics

Why even short trips need preparation, safety awareness, and a simple plan.

trip preparationcrew briefingpersonal safetylocal limits

6 guided lessons · 8 practice questions · 8 flashcards

3 outcomes · self-guided revision

Build a proportionate plan for a short trip and use plan, brief, check, watch and reassess as one continuing safety loop.
Match boat checks, personal flotation and emergency equipment to the actual vessel, people, area and trip instead of relying on one universal kit list.
Give a short, boat-specific briefing that lets another person move safely, perform an assigned role and raise the alarm if the skipper cannot.

A self-guided revision companion that explains essential concepts, then helps you practise and test them. It supports—but does not replace—recognised instruction, practical training, assessment or certification. Access is a one-time payment, not a subscription.

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Lesson routeThe Short-Trip Safety Loop0/6 read

Lesson 1 of 6

The Short-Trip Safety Loop

What you will learn

Build a proportionate plan for a short trip and use plan, brief, check, watch and reassess as one continuing safety loop.

A short or familiar trip still needs a plan. The plan can be compact, but it must connect the route, conditions, boat, people, communications and a usable alternative.

SOLAS Chapter V voyage-planning guidance applies to vessels proceeding to sea, including small vessels and pleasure craft. The detail should be proportionate to the vessel, crew and voyage. RYA guidance makes the learner-level point plainly: even the simplest and shortest journey needs an element of planning. Proportionate means enough detail to support the decision; it does not mean skipping the check because the destination is close.

Use a five-part loop. Plan the route, timing, hazards, conditions, limits and alternatives. Brief the people who must act. Check that the boat, equipment and information are ready. Watch the boat's progress and surroundings. Reassess whenever reality differs from the assumptions. The loop continues after departure because a forecast, tide, delay, equipment state or crew condition can change.

The destination is a proposal, not a promise. A useful plan preserves an easy decision to delay, shorten, divert or return. If the plan works only when every estimate is exact, it has no margin for ordinary uncertainty.

The Short-Trip Safety Loop
Part of the plan	Question to answer	Evidence or action
Route and timing	Where can the trip become constrained?	Current chart or guide, tide, hazards, local notices, daylight and a latest decision point
Conditions	What is expected, and what would be too much?	Current forecast, warnings, observations and an agreed limit
Boat	Can this boat complete the trip and cope with a change?	Propulsion, steering, fuel or energy, bilge, navigation, communications and suitable safety equipment
People	Can everyone perform the required role?	Experience, clothing, flotation, mobility, cold, fatigue and a practical brief
Contingency	What will we do if the plan stops working?	Return, refuge or other safe option; means of calling for help; current shore plan where appropriate

Plan a two-mile harbour trip

A small boat will leave a familiar harbour for a nearby bay. The ebb is strengthening, the forecast may increase later, one passenger is new to boating and the return entrance becomes busier near sunset.

1. Plan
Check the route, tide, forecast, local information, daylight and a sheltered return or refuge. Set a latest time to leave the bay.
2. Brief
Explain flotation, safe seating and movement, lines, the intended trip, what a change will sound like and how another person can call for help.
3. Check
Confirm the boat, propulsion, fuel or energy, steering, communications and required safety equipment are ready and accessible.
4. Watch
Compare traffic, time, weather, position and the passenger's condition with the plan rather than waiting for one obvious emergency.
5. Reassess
Leave early, shorten the visit or return if the accepted margin is being consumed.

Sense check: Calling the trip 'only two miles' does not answer whether the ebb, later wind, novice passenger and return timing still fit the boat and crew.

Common mistake or limitation

Treating a familiar route as evidence that today's tide, weather, boat and people need no check.
Writing a destination without a limit, review point or usable alternative.
Believing a completed checklist guarantees a safe outcome instead of continuing to watch and reassess.

Recap

Every trip needs proportionate preparation; short does not mean risk-free.
Plan, brief, check, watch and reassess form one loop rather than five disconnected tasks.
Preserve a genuine alternative and enough margin to use it before the decision becomes forced.

Optional quick check

Section 1 of 6

What makes a short-trip plan proportionate rather than incomplete?

Continue

Lesson 2 of 6

Make the Boat and People Ready

What you will learn

Match boat checks, personal flotation and emergency equipment to the actual vessel, people, area and trip instead of relying on one universal kit list.

Readiness is a working system: the boat can be controlled, the equipment suits the risk, and the people can reach and use it.

Start with the boat's type, size, propulsion, operating area and applicable rules. RYA guidance for UK pleasure vessels distinguishes mandatory, recommended and operation-dependent equipment; it is a starting point, not one list that applies identically to every vessel. Check propulsion, steering, fuel or energy, bilge or drainage, navigation information, communications and the equipment needed for the people and conditions.

Personal flotation must be suitable for the activity and wearer, correctly sized and fitted, in serviceable condition and used in accordance with its maker's instructions. A label alone does not make an unsuitable or badly fitted device effective. Show each person how their own device fastens and what to expect if it operates.

Where a boat is fitted with a kill cord, the driver wears it whenever the engine is running and tests it at the start of the day or session. The RYA advises turning the engine off before changing driver, then restarting only after the cord is secured to the new driver, and carrying a spare. A kill cord stops the engine if the driver leaves the helm; it does not steer the boat, recover the driver or replace a lookout.

Accessibility matters. A first-aid kit, means of calling for help, flotation aid or fire extinguisher that is buried, unserviceable or unknown to the crew is not ready for use. Match the check to the particular boat and follow its manuals, local requirements and operator procedures.

Make the Boat and People Ready
Layer	Beginner check	Boundary
Control	Propulsion, steering, fuel or energy, bilge and controls respond normally	A start-up check cannot prove the system will not fail
People	Suitable fitted flotation, clothing, seating, handholds and known roles	One size or buoyancy level does not suit every person and activity
Emergency	Usable communications, first aid, recovery, fire and water-ingress equipment as appropriate	Carriage duties vary with vessel and operation
Kill cord	Fitted cord works, driver wears it, spare available and handover is deliberate	It stops the engine; it does not control the unmanned boat

Ready an open powerboat for a harbour circuit

The engine starts, but one passenger's buoyancy aid is too large, the spare kill cord is missing and the charged phone is loose beside an open drain channel.

1. Fit the person
Replace or adjust the flotation device so it is suitable, correctly sized and secured over the clothing being worn.
2. Restore the stop system
Test the fitted kill cord, attach it correctly to the driver and obtain the appropriate spare before relying on the boat.
3. Protect communications
Use a suitable, accessible means of calling for help and protect portable equipment from the expected water exposure.
4. Decide
Do not turn three known readiness defects into an underway experiment merely because the engine started.

Sense check: Engine noise proves only that the engine is running; it does not prove the people, stop system or emergency communications are ready.

Common mistake or limitation

Copying an equipment list from a different vessel or operating area without checking current requirements and risks.
Choosing flotation by a headline number while ignoring fit, clothing, activity, condition and maker guidance.
Clipping a kill cord to the boat or loose clothing, extending it, or transferring helm without stopping and reattaching it correctly.

Recap

Match readiness checks and equipment to the boat, trip, people, area and rules that actually apply.
Suitable flotation must fit the wearer and be serviceable; a label is not enough.
Where fitted, test and wear the kill cord and make helm handover deliberate.

Optional quick check

Section 2 of 6

What should happen when changing driver on a kill-cord-equipped powerboat?

Previous Continue

Lesson 3 of 6

Crew Briefing That Actually Helps

What you will learn

Give a short, boat-specific briefing that lets another person move safely, perform an assigned role and raise the alarm if the skipper cannot.

A briefing changes what people can do. Show the critical equipment and actions, confirm understanding and keep the language appropriate to the crew.

Brief before people are cold, frightened, wet or busy. Explain the intended trip, likely conditions, safe seating and movement, handholds, lines or fenders, propeller and control hazards, flotation, and the words or signals you will use when the plan changes. Assign only roles the person can understand and perform.

Show rather than merely name the critical equipment. The RYA passage-planning guidance says everyone should know where safety equipment is stowed and how to use it, and highlights starting the engine, sending a Mayday and taking over if the skipper becomes ill or injured. Scale that list to the boat and trip, then let the person point to or demonstrate the essential action.

A briefing is not the same as competence. A passenger shown the radio may still need a prompt card and assistance; a novice holding a line still needs a safe position and one clear instruction. If the emergency plan depends on a skill nobody else has practiced, the plan retains a single point of failure.

Where a shore contact is appropriate, share the current route, expected return and a clear action if concern develops. Update material changes and close the plan on arrival so a helpful contact is not left following obsolete information.

Brief two first-time passengers

One passenger will handle a stern line; the other may need to call for help if the skipper is injured. Neither knows the boat.

1. Orientate
Show safe seating, handholds, movement limits, flotation and the main hazards before releasing any line.
2. Assign
Give the line handler one clear task, a safe standing position and a rule never to wrap a line around a hand or body.
3. Demonstrate
Show the second passenger the communication equipment, position source and the prompt for raising an alarm.
4. Confirm
Ask each person to point to or repeat their action; correct ambiguity before departure.

Sense check: If the only person who can stop the boat or call for help is the skipper, the briefing has described equipment without reducing the critical dependency.

Common mistake or limitation

Delivering a long equipment speech without showing the two or three actions this crew may actually need.
Assuming previous boating experience proves familiarity with this boat's controls, stowage and commands.
Giving someone ashore an expected return time without agreeing what concern means or reporting a material change.

Recap

Brief the current people for the current boat and trip before workload rises.
Show, assign and confirm critical actions rather than naming equipment only.
A briefing supports action but does not create competence that has never been practiced.

Optional quick check

Section 3 of 6

Which action best checks that a beginner crew briefing has worked?

Previous Continue

Lesson 4 of 6

Local Limits

What you will learn

Find and apply current local restrictions while still choosing a speed and route that are safe for the actual traffic, visibility, wash and manoeuvring space.

Local directions, notices and signs add place-specific constraints. A posted maximum is not an instruction to use that speed.

Harbours, marinas, rivers, lakes, canals and launch sites may publish speed or wash limits, traffic routes, reporting points, exclusion zones, bridge or lock procedures and temporary restrictions. Check current signs, harbour or navigation-authority information, notices, chart notes and launch instructions that apply to the intended trip. Advice remembered from a previous visit may be incomplete or out of date.

A speed limit is a maximum, not a target. COLREG Rule 6 still requires a safe speed so that effective action can be taken and the vessel stopped within an appropriate distance. Visibility, traffic density, manoeuvrability, wind, sea, current, background lights, draught and available depth can all make the safe speed lower than the displayed limit.

Wash is also a safety effect, not merely etiquette. Slow early enough for the displacement change to take effect and watch what the boat is producing near people, small craft, moorings, banks and works. The exact response depends on the vessel and local direction; one throttle setting does not create the same wash on every boat.

Local rules do not erase the general collision rules or the skipper's judgement. Apply both. If the safe route, the posted direction and the traffic situation do not appear compatible, reduce commitment, hold in a safe place if available and verify the current instruction with the responsible authority.

Local Limits
Local evidence	What it may control	Check before acting
Sign or buoy	Speed, wash, exclusion or direction	Meaning, boundary and whether a temporary notice changes it
Harbour or navigation notice	Traffic, works, reporting or closures	Issue date, affected area and effective period
Chart or guide note	Route, hazard or procedure	Edition or update status and the responsible authority
Radio or staff instruction	Immediate movement or reporting	Called vessel, channel, location and any conflict with what you can safely do

Leave a marina without treating six knots as a target

The marina displays a six-knot maximum. A paddleboard group is crossing the fairway, moored boats are close and the turn outside the entrance is partly obscured.

1. Look
Identify the people, traffic, blind area, available stopping space and the wash your boat is already producing.
2. Reduce
Use a speed below the maximum that preserves steering as appropriate while allowing effective action and controlled stopping.
3. Comply
Follow the marina route and any current traffic instruction without assuming priority over the crossing group.
4. Recheck
Increase speed only after the constraints and wash risk have genuinely reduced.

Sense check: A display below six knots proves compliance with one maximum; it does not prove the vessel can stop safely or is producing acceptable wash.

Common mistake or limitation

Using the posted maximum as the normal operating speed regardless of visibility, stopping distance, traffic or wash.
Relying on an old visitor's route instead of current notices, signs and authority information.
Assuming a local instruction removes the continuing duties of lookout, safe speed and collision avoidance.

Recap

Check current local restrictions before committing to the route.
A maximum speed can still be too fast for the actual conditions and wash risk.
Apply local directions and the general collision rules together; verify uncertainty early.

Optional quick check

Section 4 of 6

The sign says six knots, but traffic is dense and the stopping space is short. What governs your speed?

Previous Continue

Lesson 5 of 6

Keep Watch and Update the Plan

What you will learn

Combine a proper lookout with simple position, condition and crew checks so a changing risk is noticed before the original margin disappears.

Monitoring asks whether the real trip still matches the planned trip. Looking at the route display is only one part of that job.

COLREG Rule 5 requires a proper lookout by sight and hearing as well as by all available means appropriate to the circumstances and conditions. The purpose is a full appraisal of the situation and collision risk. A chart plotter, phone or one glance ahead cannot hear a sound signal, see every small craft or show how a passenger is coping.

Monitor the few variables that can close the plan's margin: position and nearby hazards, traffic, depth where relevant, time and daylight, wind and visibility, propulsion or steering, fuel or energy, and the people aboard. The frequency should match how quickly the risk can change. A confined entrance needs more attention than clear open water; there is no beginner interval that is automatically safe everywhere.

Compare observations with an expectation. 'The entrance should be abeam by 1430' is testable; 'we are probably nearly there' is not. 'The forecast increase is due later' still requires current observation. When a material assumption changes, tell the crew, revise the route or timing and update any shore contact whose expected action changes.

Do not wait for certainty when uncertainty itself is dangerous. Slow down, create sea room, move to a safe holding position or choose the alternative as the situation permits while you establish what is happening. The exact action remains boat- and circumstance-specific.

Respond to a shrinking visibility margin

Halfway home, rain reduces visibility, the return entrance is not yet visible and the newest crew member is struggling to identify traffic while the plotter still shows the planned route.

1. Notice
Treat reduced visual information and crew overload as material changes, not as reasons to stare harder at the route line.
2. Control
Adopt a safe speed and increase the quality of lookout, position and hazard checks appropriate to the situation.
3. Reappraise
Check current position, traffic, depth, entrance information, weather trend and whether a safer delay, refuge or return option exists.
4. Communicate
Brief the changed roles and plan; call for help early if control, position or safe completion becomes doubtful.

Sense check: A route line continuing to the entrance does not show whether the boat can see, stop, identify traffic or safely execute the approach.

Common mistake or limitation

Using a navigation display as a replacement for sight, hearing and the other available means appropriate to the conditions.
Checking at one fixed interval even when the boat is approaching a hazard or conditions are changing quickly.
Keeping a material route or timing change in the skipper's head while crew or shore contact follow the old plan.

Recap

Keep a proper lookout and monitor the variables that can close the current margin.
Compare observations with explicit expectations and increase the check rate as risk changes faster.
A material change creates a new decision; update the working plan and the people affected.

Optional quick check

Section 5 of 6

Which observation most clearly triggers a review of a short-trip plan?

Previous Continue

Lesson 6 of 6

When to Delay or Turn Back

What you will learn

Use pre-agreed limits and current evidence to delay, shorten, divert or return while the safer option is still easy to execute.

Good judgement acts before a deteriorating trip removes the choice. The safest decision may be not to depart or not to complete the original destination.

Set decision triggers while calm: a latest departure or return time, minimum daylight or tide margin, forecast or observed condition the boat or crew will not accept, equipment defects that stop departure, and the point at which the refuge or return ceases to be straightforward. A trigger focuses the decision, but it is not permission to continue until every limit has been reached at once.

Delay before departure if the proposed trip no longer fits the current boat, people or conditions. Underway, options may include shortening the trip, returning, diverting, waiting in a safe place or requesting assistance. The correct option depends on position, hazards, weather, traffic, boat condition and available refuge; 'always turn round immediately' is no more reliable than 'always press on'.

Watch the trend. Increasing wind, falling visibility, repeated position uncertainty, a worsening defect, cold or sick crew, late progress and disappearing daylight can combine. Each may look manageable alone while the combined margin is already gone. Do not spend the same contingency twice by using it once for delay and again for worsening conditions.

Sunk time, embarrassment and promises ashore are not safety evidence. Explain the change plainly, choose the controlled option and update the people affected. A conservative decision made early usually creates more choices than a brave-looking decision made late.

Screen-based revision can help you explain these decisions, but it cannot prove that you can inspect a real boat, fit equipment, brief people, keep a lookout or control a vessel on the water. Use it to prepare for recognised instruction and supervised practical experience, not as certification or evidence of practical competence.

Worked example

Departure was 35 minutes late. The forecast wind increase is arriving early, one passenger is cold, and the harbour return is easiest before a known stream strengthens.

1State what changed: 35 minutes of timing margin is already gone, conditions are worsening and crew reserve is falling.
2Recheck the return and alternative using current position, tide, daylight, traffic and boat condition rather than the original departure assumptions.
3Choose the controlled option while it remains available—for example, shorten the trip and return before the stronger stream if that is the verified safe route.
4Brief the crew and update the shore contact or destination if their expected action or arrival time changes.

Sense check: The original timing margin cannot cover both the late departure and the early weather change; counting it twice hides the loss of choice.

Use a decision trigger, not a destination promise

The group hoped to reach a beach, but the boat is making less progress than planned and the latest return time is approaching.

1. Compare
Use actual progress, remaining distance, conditions, daylight and crew state rather than the hoped-for schedule.
2. Protect
Keep the verified return or refuge margin; do not trade it for a few more minutes towards the beach.
3. Act
Change course or destination while the manoeuvre and return remain controlled.

Sense check: Reaching the beach is not success if doing so removes the safe return that made the trip acceptable.

Common mistake or limitation

Treating a trigger as the exact point at which concern begins rather than the latest accepted boundary.
Considering weather, delay, crew condition and equipment defects separately when their effects are accumulating.
Continuing to avoid disappointing passengers, wasting sunk effort or appearing overcautious.

Recap

Set and review limits before pressure makes the decision harder.
Choose among delay, shorten, divert, return or assistance from the current evidence; no one response fits every situation.
Act while the safer option remains easy and communicate the changed plan.

Optional quick check

Section 6 of 6

When is the strongest time to use a turn-back trigger?

Previous Continue to Practise

Lesson previewThe Short-Trip Safety Loop1 section shown

Preview lesson

The Short-Trip Safety Loop

What you will learn

Build a proportionate plan for a short trip and use plan, brief, check, watch and reassess as one continuing safety loop.

A short or familiar trip still needs a plan. The plan can be compact, but it must connect the route, conditions, boat, people, communications and a usable alternative.

The Short-Trip Safety Loop
Part of the plan	Question to answer	Evidence or action
Route and timing	Where can the trip become constrained?	Current chart or guide, tide, hazards, local notices, daylight and a latest decision point
Conditions	What is expected, and what would be too much?	Current forecast, warnings, observations and an agreed limit
Boat	Can this boat complete the trip and cope with a change?	Propulsion, steering, fuel or energy, bilge, navigation, communications and suitable safety equipment
People	Can everyone perform the required role?	Experience, clothing, flotation, mobility, cold, fatigue and a practical brief
Contingency	What will we do if the plan stops working?	Return, refuge or other safe option; means of calling for help; current shore plan where appropriate

Plan a two-mile harbour trip

1. Plan
Check the route, tide, forecast, local information, daylight and a sheltered return or refuge. Set a latest time to leave the bay.
2. Brief
Explain flotation, safe seating and movement, lines, the intended trip, what a change will sound like and how another person can call for help.
3. Check
Confirm the boat, propulsion, fuel or energy, steering, communications and required safety equipment are ready and accessible.
4. Watch
Compare traffic, time, weather, position and the passenger's condition with the plan rather than waiting for one obvious emergency.
5. Reassess
Leave early, shorten the visit or return if the accepted margin is being consumed.

Sense check: Calling the trip 'only two miles' does not answer whether the ebb, later wind, novice passenger and return timing still fit the boat and crew.

Common mistake or limitation

Treating a familiar route as evidence that today's tide, weather, boat and people need no check.
Writing a destination without a limit, review point or usable alternative.
Believing a completed checklist guarantees a safe outcome instead of continuing to watch and reassess.

Recap

Every trip needs proportionate preparation; short does not mean risk-free.
Plan, brief, check, watch and reassess form one loop rather than five disconnected tasks.
Preserve a genuine alternative and enough margin to use it before the decision becomes forced.

Optional quick check

Section 1 of 1

What makes a short-trip plan proportionate rather than incomplete?

Continue to Practise

Lesson routeThe Short-Trip Safety Loop0/6 read

Lesson 1 of 6

The Short-Trip Safety Loop

What you will learn

Build a proportionate plan for a short trip and use plan, brief, check, watch and reassess as one continuing safety loop.

A short or familiar trip still needs a plan. The plan can be compact, but it must connect the route, conditions, boat, people, communications and a usable alternative.

The Short-Trip Safety Loop
Part of the plan	Question to answer	Evidence or action
Route and timing	Where can the trip become constrained?	Current chart or guide, tide, hazards, local notices, daylight and a latest decision point
Conditions	What is expected, and what would be too much?	Current forecast, warnings, observations and an agreed limit
Boat	Can this boat complete the trip and cope with a change?	Propulsion, steering, fuel or energy, bilge, navigation, communications and suitable safety equipment
People	Can everyone perform the required role?	Experience, clothing, flotation, mobility, cold, fatigue and a practical brief
Contingency	What will we do if the plan stops working?	Return, refuge or other safe option; means of calling for help; current shore plan where appropriate

Plan a two-mile harbour trip

1. Plan
Check the route, tide, forecast, local information, daylight and a sheltered return or refuge. Set a latest time to leave the bay.
2. Brief
Explain flotation, safe seating and movement, lines, the intended trip, what a change will sound like and how another person can call for help.
3. Check
Confirm the boat, propulsion, fuel or energy, steering, communications and required safety equipment are ready and accessible.
4. Watch
Compare traffic, time, weather, position and the passenger's condition with the plan rather than waiting for one obvious emergency.
5. Reassess
Leave early, shorten the visit or return if the accepted margin is being consumed.

Sense check: Calling the trip 'only two miles' does not answer whether the ebb, later wind, novice passenger and return timing still fit the boat and crew.

Common mistake or limitation

Treating a familiar route as evidence that today's tide, weather, boat and people need no check.
Writing a destination without a limit, review point or usable alternative.
Believing a completed checklist guarantees a safe outcome instead of continuing to watch and reassess.

Recap

Every trip needs proportionate preparation; short does not mean risk-free.
Plan, brief, check, watch and reassess form one loop rather than five disconnected tasks.
Preserve a genuine alternative and enough margin to use it before the decision becomes forced.

Optional quick check

Section 1 of 6

What makes a short-trip plan proportionate rather than incomplete?

Continue

Lesson 2 of 6

Make the Boat and People Ready

What you will learn

Match boat checks, personal flotation and emergency equipment to the actual vessel, people, area and trip instead of relying on one universal kit list.

Readiness is a working system: the boat can be controlled, the equipment suits the risk, and the people can reach and use it.

Make the Boat and People Ready
Layer	Beginner check	Boundary
Control	Propulsion, steering, fuel or energy, bilge and controls respond normally	A start-up check cannot prove the system will not fail
People	Suitable fitted flotation, clothing, seating, handholds and known roles	One size or buoyancy level does not suit every person and activity
Emergency	Usable communications, first aid, recovery, fire and water-ingress equipment as appropriate	Carriage duties vary with vessel and operation
Kill cord	Fitted cord works, driver wears it, spare available and handover is deliberate	It stops the engine; it does not control the unmanned boat

Ready an open powerboat for a harbour circuit

The engine starts, but one passenger's buoyancy aid is too large, the spare kill cord is missing and the charged phone is loose beside an open drain channel.

1. Fit the person
Replace or adjust the flotation device so it is suitable, correctly sized and secured over the clothing being worn.
2. Restore the stop system
Test the fitted kill cord, attach it correctly to the driver and obtain the appropriate spare before relying on the boat.
3. Protect communications
Use a suitable, accessible means of calling for help and protect portable equipment from the expected water exposure.
4. Decide
Do not turn three known readiness defects into an underway experiment merely because the engine started.

Sense check: Engine noise proves only that the engine is running; it does not prove the people, stop system or emergency communications are ready.

Common mistake or limitation

Copying an equipment list from a different vessel or operating area without checking current requirements and risks.
Choosing flotation by a headline number while ignoring fit, clothing, activity, condition and maker guidance.
Clipping a kill cord to the boat or loose clothing, extending it, or transferring helm without stopping and reattaching it correctly.

Recap

Match readiness checks and equipment to the boat, trip, people, area and rules that actually apply.
Suitable flotation must fit the wearer and be serviceable; a label is not enough.
Where fitted, test and wear the kill cord and make helm handover deliberate.

Optional quick check

Section 2 of 6

What should happen when changing driver on a kill-cord-equipped powerboat?

Previous Continue

Lesson 3 of 6

Crew Briefing That Actually Helps

What you will learn

Give a short, boat-specific briefing that lets another person move safely, perform an assigned role and raise the alarm if the skipper cannot.

A briefing changes what people can do. Show the critical equipment and actions, confirm understanding and keep the language appropriate to the crew.

Brief two first-time passengers

One passenger will handle a stern line; the other may need to call for help if the skipper is injured. Neither knows the boat.

1. Orientate
Show safe seating, handholds, movement limits, flotation and the main hazards before releasing any line.
2. Assign
Give the line handler one clear task, a safe standing position and a rule never to wrap a line around a hand or body.
3. Demonstrate
Show the second passenger the communication equipment, position source and the prompt for raising an alarm.
4. Confirm
Ask each person to point to or repeat their action; correct ambiguity before departure.

Sense check: If the only person who can stop the boat or call for help is the skipper, the briefing has described equipment without reducing the critical dependency.

Common mistake or limitation

Delivering a long equipment speech without showing the two or three actions this crew may actually need.
Assuming previous boating experience proves familiarity with this boat's controls, stowage and commands.
Giving someone ashore an expected return time without agreeing what concern means or reporting a material change.

Recap

Brief the current people for the current boat and trip before workload rises.
Show, assign and confirm critical actions rather than naming equipment only.
A briefing supports action but does not create competence that has never been practiced.

Optional quick check

Section 3 of 6

Which action best checks that a beginner crew briefing has worked?

Previous Continue

Lesson 4 of 6

Local Limits

What you will learn

Find and apply current local restrictions while still choosing a speed and route that are safe for the actual traffic, visibility, wash and manoeuvring space.

Local directions, notices and signs add place-specific constraints. A posted maximum is not an instruction to use that speed.

Local Limits
Local evidence	What it may control	Check before acting
Sign or buoy	Speed, wash, exclusion or direction	Meaning, boundary and whether a temporary notice changes it
Harbour or navigation notice	Traffic, works, reporting or closures	Issue date, affected area and effective period
Chart or guide note	Route, hazard or procedure	Edition or update status and the responsible authority
Radio or staff instruction	Immediate movement or reporting	Called vessel, channel, location and any conflict with what you can safely do

Leave a marina without treating six knots as a target

The marina displays a six-knot maximum. A paddleboard group is crossing the fairway, moored boats are close and the turn outside the entrance is partly obscured.

1. Look
Identify the people, traffic, blind area, available stopping space and the wash your boat is already producing.
2. Reduce
Use a speed below the maximum that preserves steering as appropriate while allowing effective action and controlled stopping.
3. Comply
Follow the marina route and any current traffic instruction without assuming priority over the crossing group.
4. Recheck
Increase speed only after the constraints and wash risk have genuinely reduced.

Sense check: A display below six knots proves compliance with one maximum; it does not prove the vessel can stop safely or is producing acceptable wash.

Common mistake or limitation

Using the posted maximum as the normal operating speed regardless of visibility, stopping distance, traffic or wash.
Relying on an old visitor's route instead of current notices, signs and authority information.
Assuming a local instruction removes the continuing duties of lookout, safe speed and collision avoidance.

Recap

Check current local restrictions before committing to the route.
A maximum speed can still be too fast for the actual conditions and wash risk.
Apply local directions and the general collision rules together; verify uncertainty early.

Optional quick check

Section 4 of 6

The sign says six knots, but traffic is dense and the stopping space is short. What governs your speed?

Previous Continue

Lesson 5 of 6

Keep Watch and Update the Plan

What you will learn

Combine a proper lookout with simple position, condition and crew checks so a changing risk is noticed before the original margin disappears.

Monitoring asks whether the real trip still matches the planned trip. Looking at the route display is only one part of that job.

Respond to a shrinking visibility margin

Halfway home, rain reduces visibility, the return entrance is not yet visible and the newest crew member is struggling to identify traffic while the plotter still shows the planned route.

1. Notice
Treat reduced visual information and crew overload as material changes, not as reasons to stare harder at the route line.
2. Control
Adopt a safe speed and increase the quality of lookout, position and hazard checks appropriate to the situation.
3. Reappraise
Check current position, traffic, depth, entrance information, weather trend and whether a safer delay, refuge or return option exists.
4. Communicate
Brief the changed roles and plan; call for help early if control, position or safe completion becomes doubtful.

Sense check: A route line continuing to the entrance does not show whether the boat can see, stop, identify traffic or safely execute the approach.

Common mistake or limitation

Using a navigation display as a replacement for sight, hearing and the other available means appropriate to the conditions.
Checking at one fixed interval even when the boat is approaching a hazard or conditions are changing quickly.
Keeping a material route or timing change in the skipper's head while crew or shore contact follow the old plan.

Recap

Keep a proper lookout and monitor the variables that can close the current margin.
Compare observations with explicit expectations and increase the check rate as risk changes faster.
A material change creates a new decision; update the working plan and the people affected.

Optional quick check

Section 5 of 6

Which observation most clearly triggers a review of a short-trip plan?

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Lesson 6 of 6

When to Delay or Turn Back

What you will learn

Use pre-agreed limits and current evidence to delay, shorten, divert or return while the safer option is still easy to execute.

Good judgement acts before a deteriorating trip removes the choice. The safest decision may be not to depart or not to complete the original destination.

Worked example

Departure was 35 minutes late. The forecast wind increase is arriving early, one passenger is cold, and the harbour return is easiest before a known stream strengthens.

1State what changed: 35 minutes of timing margin is already gone, conditions are worsening and crew reserve is falling.
2Recheck the return and alternative using current position, tide, daylight, traffic and boat condition rather than the original departure assumptions.
3Choose the controlled option while it remains available—for example, shorten the trip and return before the stronger stream if that is the verified safe route.
4Brief the crew and update the shore contact or destination if their expected action or arrival time changes.

Sense check: The original timing margin cannot cover both the late departure and the early weather change; counting it twice hides the loss of choice.

Use a decision trigger, not a destination promise

The group hoped to reach a beach, but the boat is making less progress than planned and the latest return time is approaching.

1. Compare
Use actual progress, remaining distance, conditions, daylight and crew state rather than the hoped-for schedule.
2. Protect
Keep the verified return or refuge margin; do not trade it for a few more minutes towards the beach.
3. Act
Change course or destination while the manoeuvre and return remain controlled.

Sense check: Reaching the beach is not success if doing so removes the safe return that made the trip acceptable.

Common mistake or limitation

Treating a trigger as the exact point at which concern begins rather than the latest accepted boundary.
Considering weather, delay, crew condition and equipment defects separately when their effects are accumulating.
Continuing to avoid disappointing passengers, wasting sunk effort or appearing overcautious.

Recap

Set and review limits before pressure makes the decision harder.
Choose among delay, shorten, divert, return or assistance from the current evidence; no one response fits every situation.
Act while the safer option remains easy and communicate the changed plan.

Optional quick check

Section 6 of 6

When is the strongest time to use a turn-back trigger?

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