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Feedback is welcome.click on www.skysailtraining.co.uk

for more tests on Weather and CEVNI, and to buy IRPCS/Colregs, Weather, VHF, Safety, CEVNI and Navigation skills charts.

International Regulations forPreventing Collisions at SeaIRPCS - Colregs AssessmentCollision Regulations ExamTest yourself – online quizRYA Day Skipper and YachtmasterICC / BSAC SeamanshipMouse click or Page Down to start

8th May 2010

skysail skills charts http www btinternet com keith bater navigation skills charts htm
SKYSAIL SKILLS CHARTShttp://www.btinternet.com/~keith.bater/navigation_skills_charts.htm

Extracts from Skysail Skills Charts on the essential navigation subjects

Day Skipper

VHF

Weather

Chartwork

day skipper colregs quiz
Day Skipper Colregs Quiz
  • The full text of IRPCS is here:
  • http://www.btinternet.com/~keith.bater/irpcs_colregs_complete.htm
  • Before the detailed Yachtmaster Collision Regs questions, there is a short section on what you need to know for the RYA Day Skipper course.
day skipper colregs 1
Day Skipper – Colregs 1
  • Basic Rules
  • The rules apply anywhere on the sea or connected to it (subject to local by-laws).
  • Keep a good lookout at all times by all means available (sight, sound, radar).
  • Maintain a safe speed for the conditions: waves, hazards, tide, traffic, visibility, depth, manoeuvrability, background lights
  • The words 'Right of Way' do not occur in the rules.A ‘Stand on' vessel should maintain its course and speed until it is clear that the ‘Give way' vessel is not taking avoiding action.Then all vessels must keep clear.
  • Action taken to avoid a collision shall be positive, early and safe.
  • A risk of collision exists if a bearing by compass, radar or transit stays constant.
  • Navigate on the starboard side of a channel.
  • When crossing a shipping lane or traffic separation scheme, keep your heading at right angles to the traffic.
day skipper colregs 11
Day Skipper – Colregs 1
  • Special rules apply in fog:

There is no ‘Give Way’ vessel, everyone must keep clear.

If you hear any vessel ahead:

  • sound your signal
  • slow down but keep steerage way on
  • stop if necessary
  • navigate with extreme caution till danger is past.
day skipper colregs 2
Day Skipper - Colregs 2
  • Sailing Rules

1. Starboard tack boat2. Port tack boat Sailing boats on the same tack:Windward boat keeps clear.

  • Motoring Rules

Boats meeting head on - both turn to starboard.

If two power vessels are crossing, the boat which has the other on her own starboard side shall keep out of the way.

  • General Rules for Priority:

1. Not Under Command2. Restricted Ability to Manoeuvre3. Constrained by Draught4. Fishing5. Sail6. Motor (including motor sailing)Tugs are treated as motor vessels, unless they are also RAM or CBD

Exceptions to General Rules:Narrow channelsTraffic Separation Schemes.

  • Overtaking boats keep clear - sail and power.
day skipper colregs quiz 3

What is the meaningof this flag ?

Day Skipper Colregs Quiz 3

What are the rules concerning lookout?

  • What is the meaningof this day shape?

Keep a good lookout at all times by all possible means

Vessel at anchor

Do the words ‘Right of Way’ appear in the Rules?

No

Diver down

Keep well clear at slow speed

day skipper collision regulations

What is the meaningof this sign?

Head on:Turn to StarboardKeep to Starboard side of channel

What is the meaningof this sign?

A

Converging:Boat on right stands on

B goes behind, slows down or stops

B

Day Skipper Collision Regulations
  • Two motor boats meet head on, what action is required?

Sailing vessel

Motor sailing

Two motor boats converge

Vessel fishing

day skipper colregs 4 what action should each vessel take

Wind

Wind

A

B

B

A

Overtaking Boat keeps clear

Day Skipper Colregs 4What action should each vessel take?

Two sailing boats on same tack

Two sailing boats on opposite tack

Windward boat Bgives way

Port tack boat Agives way

One boat overtakes another

day skipper colregs 5 give type of vessel size and aspect

Over 50m long

Motor vessel

From ahead

Motor vessel

Under 50m long

Starboard side

Day Skipper Colregs 5give type of vessel, size and aspect

What vessel carriesthis light?

What vessel carriesthese lights?

  • Vessel at anchor
  • Stern light - any vessel
  • Small craft

What vessel carriesthis light?

What vessel carries this light?

SailingPort side

yachtmaster assessments
Yachtmaster Assessments
  • The RYA assessment requires that you achieve 80% in the Collision Regulations assessment.
  • You need to know all that follows in this test
application irpcs rule 1
Application - IRPCS Rule 1
  • Do the Collision Regulations apply on Lake Geneva?

No. This is not the high seas, or navigable water connected with the high seas

responsibility irpcs rule 2
Responsibility – IRPCS Rule 2
  • Do the words ‘right of way’ appear in the collision regulations?

No.

It is everyone’s responsibility to avoid a collision, there is no exoneration.

There are ‘give way’ vessels and ‘stand on’ vessels.

general definitions rule 3
General Definitions - Rule 3
  • Does a sailing yacht which is motor-sailing count as a sailing vessel or a power-driven vessel?
  • What is the definition of “under way”?

A power-driven vessel, it is being propelled by machinery

Underway: not anchored, or made fast to the shore, or aground.

Vessels ‘making way’ are moving through the water by power, sail or oars, but this is not defined in the IRPCS.

look out irpcs rule 5
Look-out - IRPCS Rule 5
  • What do the colregs say about the maintenance of a look-out?
  • May this rule be relaxed by single handed sailors?

At all times, by all available means,including sight, sound, and radar if available.

No

safe speed irpcs rule 6
Safe Speed – IRPCS Rule 6

At a safe speed a vessel can take proper and effective action to avoid collision, and be stopped within a distance appropriate to the prevailing circumstances and conditions.

  • What is a safe speed?

Consider:

Stopping and turning ability of your vessel

Visibility

Draught of your vessel and Depth of water

Weather

Sea State

Traffic

Hazards

Background lights at night

risk of collision rule 7
Risk of Collision - Rule 7
  • How do you determine that a risk of collision exists?

Take bearings of an approaching vessel.

If the bearings stay constant and the distance is closing there is a risk of collision.

action to avoid collision rule 8
Action to avoid Collision - Rule 8
  • What are the rules about action to avoid a collision?

Action should be early, in ample time.

Your action should obvious to another vessel.

At night, show another aspect of your lights.

Your action should be safe

narrow channels rule 9
Narrow Channels - Rule 9
  • What are the rules for any sailing vessel, and vessels less than 20m in length, in narrow channels?

They must not impede the passage of a vessel which can navigate safely only in the channel.

traffic separation schemes colregs rule 10

Tide

Ground track

Traffic Separation Schemes – Colregs Rule 10
  • When you cross a Traffic Separation Scheme, do you make Heading or Ground Track at right angles to the lane?

Your heading should be as nearly as practicable at right angles to the traffic flow.

This is the quickest route and shows the maximum aspect of your boat to vessels using the lane.Also you have the best view of traffic.

sailing vessels irpcs rule 12

A

B

Sailing Vessels – IRPCS Rule 12
  • When two sailing vessels on opposite tacks meet, which gives way to the other:
  • The vessel with the wind on the port side
  • (on port tack)

Wind

Port tack boat A gives way

sailing vessels irpcs rule 121

A

Sailing Vessels – IRPCS Rule 12
  • When two sailing vessels on the same tack meet which gives way to the other:

The vessel to windward of the other

Windward boat Bgives way

Wind

B

sailing vessels colregs rule 12
Sailing Vessels – Colregs Rule 12
  • A sailing vessel on port tack sees another sailing vessel ahead to windward but is not certain whether the other vessel is on port or starboard tack.
  • Does she: stand on or give way?

She gives way

overtaking colregs rule 13

When it is approaching from an angle more than 22.5º abaft the beam of another vessel(ie in the arc of the stern light).

22.5º

Overtaking – Colregs Rule 13
  • When is a vessel overtaking?
  • A planing sailing dinghy is overtaking a motor cruiser.
  • Which keeps clear?

Any overtaking vessel must keep clear

overtaking irpcs rule 13
Overtaking - IRPCS Rule 13

What should you do if you are not sure you are overtaking?

  • Assume you are overtaking and act accordingly.

What happens if you change your course or speed to come out of the overtaking sector?

Any subsequent alteration of the bearing between the two vessels shall not make the overtaking vessel a crossing vessel within the meaning of these Rules, or relieve her of the duty of keeping clear of the overtaken vessel until she is finally past and clear.

head on situation colregs rule 14

Both vessels alter course to starboard and make

a sound signal (1 short blast)

Head-on Situation - Colregs Rule 14
  • When two power-driven vessels meet head on, what action should they take?
crossing situation irpcs rule 15
Crossing situation – IRPCS Rule 15
  • Two power-driven vessels are crossing.Who keeps clear, and what action should she take?

The vessel with the other on her starboard side.(At night, she could see a red light on the other vessel).

  • She must slow down, or alter course to starboard to clear the other vessel’s stern, and make a sound signal (1 short blast).
action by give way vessel rule 16
Action by give-way vessel - Rule 16
  • What kind of action should be taken by the vessel required to keep clear?
  • It should be
  • and

early, in ample time

substantial

action by stand on vessel rule 17
Action by stand on vessel - Rule 17
  • What is the ‘stand-on’ vessel required to do?
  • What should the ‘stand on’ vessel do if a collision appears imminent

Maintain her course

and speed

Take action to avoid the collision

responsibilities between vessels collision regulations rule 18
Responsibilities betweenvessels - Collision Regulations Rule 18
  • List the following in order of priority

Vessel restricted in ability to manoeuvre

Power driven vessel

Fishing vessel

Sailing vessel

Vessel Not Under Command

Vessel Constrained by Draught

  • Vessel Not Under Command

1

2

3

4

5

6

  • Vessel Restricted in Ability to Manœuvre
  • Vessel Constrained by Draught
  • Fishing vessel
  • Sailing vessel
  • Power vessel
conduct of vessels in restricted visibility colregs rule 19
Conduct of vessels inrestricted visibility – Colregs Rule 19
  • In restricted visibility what must all vessels ensure regarding their speed and means of propulsion?
  • A safe speed suitable for the prevailing circumstances.
  • Engines are ready for immediate manoeuvre.
conduct of vessels in restricted visibility rule 19
Conduct of vessels inrestricted visibility - Rule 19
  • In restricted visibility, you hear the fog signal of vessel ahead of you. What must you do?

1

2

3

4

Sound your fog signal.

Reduce speed to the minimum while maintaining steerage way.

Stop if necessary.

Navigate with extreme caution until danger of collision is over.

collision regulations under way
Collision Regulations – Under Way
  • Which vessels can you distinguish as either ‘under way’ or ‘making way’ at night?
    • Not Under Command
    • Restricted Ability to Manœuvre
    • Fishing
  • All other vessels can only be identified as ‘under way’ at night.
collision regulations under way making way
Collision Regulations:Under way/ Making Way
  • How do vessels at night indicate they are making way?
  • Not Under Command:

shows side and stern lights NB no steaming light at masthead.

  • Restricted Ability to Manœuvre, and Fishing:

show side lights, stern lights and masthead (steaming) lights.

collision regulations
Collision Regulations
  • Which vessels can only be distinguished as ‘under way’ at night?
  • Sail
  • Power
  • Constrained By Draught
  • Pilot
  • Define Tugs as ‘Towing’.
definitions irpcs rule 21
Definitions – IRPCS Rule 21
  • Match the lights listed to their arcs of visibility:
  • Masthead light, Sidelight, Stern light, All round light
    • 360º
    • 112.5º on each side of bow
    • 112.5º on one side of bow only
    • 67.5º on each side of stern

All-round light

Masthead light

Side light

Stern light(overtaking sector is 22.5 º aft of the beam)

collision regulations rule 24
Collision Regulations Rule 24
  • What lights are shown by a tug with:
  • length of tow 200m or less
  • length of tow greater than 200m?
  • One additional masthead light.
  • Yellow towing light at the stern
  • Two additional masthead lights
  • Yellow towing light at the stern
collision regulations rule 241
Collision Regulations Rule 24
  • What lights are shown by a vessel being towed?
  • Sidelights and a Sternlight

(Same as a sailing vessel, ie no power)

fishing vessels colregs rule 26
Fishing Vessels – Colregs Rule 26
  • At night, what lights are shown by a vessel engaged in trawling ?
  • What is its day shape?

All-round green over all-round white

Two cones, apex together

irpcs rule 26

All-round red over all round white

IRPCS Rule 26
  • At night, what lights are shown by a vessel engaged in fishing, not trawling,?
  • If its gear extends more than 150m to the side, what additional light and shape must it show?

All-round white light in the direction of the gear

irpcs rule 27
IRPCS Rule 27
  • What lights are shown by a vessel not under command?
  • What day shape must it show?

Two all-round red lights

Two balls in a vertical line

vessels not under command or restricted in ability to manoeuvre colregs rule 27

1 metre apart

Vessels not under command orrestricted in ability tomanoeuvre – Colregs Rule 27
  • What lights are shown by a vessel when it is restricted in its ability to manœuvre?
  • What day shapes must it show?

All-round red, white, red in a vertical line

Ball, diamond, ball in a vertical line

irpcs rule 271

Unsafe: two 360º red lights vertical

Two vertical balls

Safe: two 360 º green lights vertical

Two vertical diamonds

IRPCS Rule 27
  • When a vessel is carrying out dredging, how does it indicate the safe side to pass?
  • The unsafe side?
irpcs rule 272

Three all-round green lights, one at the masthead and one at the end of each yard

Three balls

IRPCS Rule 27
  • What lights are shown by a vessel engaged in mine clearance?
  • What shapes by day?
irpcs rule 28

Three all-round red lights

A cylinder

1m x 2m

IRPCS Rule 28
  • What lights are shown by a vessel constrained by her draught?
  • What day shape?
collision regulations rule 29

All-round white over all-round red

Flag ‘H’

Four short blasts (Morse ‘H’)

Collision Regulations Rule 29
  • What lights are shown by a vessel on pilot duty?
  • What will the pilot vesselshow by day?
  • What sound signals are made by a pilot vessel on duty
collision regulations rule 30

A ball forward

An all-round white light low down near the stern

> 50 m port aspect

Collision Regulations Rule 30
  • What lights are shown by vessels less than 50m in length at anchor?
  • What shape by day?
  • What additional light is shown at anchor by avessel > 50m long?

All-round white light forward

collision regulations rule 301

Anchor lights plus two vertical all-round red lights

Port side > 50m)

Three balls in a vertical line

Collision Regulations Rule 30
  • What lights are shown by vessels aground?
  • What day shape?
man uvring and warning signals rule 34

I am altering course to starboard

I am altering course to port

I am operating astern propulsion

What are your intentions

Manœuvring and WarningSignals - Rule 34
  • When a vessel makes the following sound signals in good visibility what do they mean?
    • One short blast
    • Two short blasts
    • Three short blasts
    • Five or more short rapid blasts
man uvring and warning signals rule 341
Manœuvring and WarningSignals - Rule 34
  • What do the following signals mean when made between vessels in a narrow channel?
    • One long blast
    • Two long followed by one short blast
    • Two long followed by two short blasts
    • One long, one short, one long & one short

Vessels approaching blind bend (here I come sounding one)

I intend to overtake on your starboard side

I intend to overtake on your port side

‘Affirmative’ (by vessel being overtaken)

man uvring and warning signals colregs rule 35

One long followed by two short blasts every 2 mins

Manœuvring and WarningSignals – Colregs Rule 35
  • What sounds should the following vessels make in restricted visibility?
    • A vessel not under command
    • A vessel restricted in ability to manoeuvre
    • A vessel constrained by draught
    • A fishing vessel
    • A sailing vessel
    • A tug
man uvring and warning signals rule 35

One long blast every 2 minutes

Two long blasts every 2 minutes

One long followed by two short every 2 mins

One long followed by two short every 2 mins

Four short blasts(in addition to one long blast for a motor vessel)

Manœuvring and WarningSignals - Rule 35
  • What sounds should the following vessels make in restricted visibility?
  • Power vessel making way
  • Power driven vessel stopped, not making way
  • A vessel constrained by draught
  • A sailing vessel
  • A Pilot boat on duty
man uvring and warning signals irpcs rule 35

Aft

Forward

A vessel >100m long at anchor

Manœuvring and WarningSignals – IRPCS Rule 35
  • In fog , you hear one long blast followed by three short. What is it?
  • In fog, you hear a bell rung rapidly for 5 seconds, then a gong, every minute. What is it?

A vessel under tow (last vessel in tow)

distress signals rule 37
Distress Signals - Rule 37
  • What are the International Distress signals?
more irpcs test questions
More IRPCS Test Questions
  • In the questions that follow, give all possible information:
  • Type of vessel (NUC, RAM, CBD etc)
  • Power or sail
  • Under way or making way
  • Length
  • Aspect (starboard, port, stern, bow)
  • Length of tug and Length of tow
  • It can help to draw up a table like this, and complete all possible items
more irpcs test questions1
More IRPCS Test Questions
  • You see a single white light.What is it? (3 answers)
  • The stern light of another boat
  • An anchor light
  • A light shown by a vessel < 7m and < 7 knotseg a small motor boat or dinghy with a torch
more irpcs test questions2
More IRPCS Test Questions
  • When does a sailing vessel on starboard tack give way to another vessel?
  • When it is overtaking boat
  • When it is to windward of another boat on starboard tack
  • When it meets another vessel which is NUC, RAM, CBD, Fishing.
  • When it meets a motor vessel which can only navigate within a narrow channel, or in a Traffic Separation Scheme.
more colregs test questions

> 50m long

Constrained by Draught

Under way

Motor vessel

Bow aspect

More Colregs Test Questions
  • What vessel shows the following lights?
more irpcs test questions3

VesselNot under command

Starboard aspect

Making way

More IRPCS Test Questions
  • What vessel shows the following lights?

Length not known

more colregs test questions1

Vessel Trawling

Stern aspect

Making way

More Colregs Test Questions
  • What vessel shows the following lights?

Length not known

more colregs test questions2

Sailing Vessel

Under way

Starboard aspect

Length < 20m

More Colregs Test Questions
  • What vessel shows the following lights?
more irpcs test questions4

Vessel at anchor

Starboard aspect

Length > 50m

More IRPCS Test Questions
  • What vessel shows the following lights?
more collision regs questions

What vessel carries these lights?

What vessel carries these lights?

More Collision Regs questions
  • Vessel towing. Length over 50m.Port side.Tow less than 200 metres long
  • Vessel towing, length under 50m.Starboard side
  • Tow over 200 metres long
more irpcs test questions5
More IRPCS Test Questions
  • What is meant by the following sound signals??

Motor vessel – stopped in restricted visibility

Additional warning – vessel anchored in restricted visibility

My engines are in astern propulsion

Pilot vessel – making way in fog

I intend to overtake to starboard

I intend to overtake to port

Affirmative

slide66

Colregs, IRPCS

International Regulations forPreventing Collisions at Sea

www.skysailtraining.co.uk