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Elements and Performance Criteria

  1. Manoeuvre vessel in normal conditions
  2. Safe operating limits of propulsion and steering equipment are not exceeded
  3. Manoeuvre vessel in adverse weather conditions
  4. Manoeuvre vessel in emergencies
  5. 4
  6. Tow and be towed

Range Statement

Specifies different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Range is restricted to essential operating conditions and any other variables essential to the work environment.

Features of vessel include one or more of the following:

displacement and planing hulls

propulsion units

rudders and propellers

Manoeuvres must include:

astern movements

berthing and leaving a berth

berthing in a pen

coming to and leaving mooring

positioning vessel to safely launch boats or life rafts in bad weather

retrieval of person overboard

turning a vessel across tide and wind

turning short around

Williamson turn

Situational awareness include one or more of the following:

other vessels in the vicinity of the manoeuvre

own vessel position in relation to shallow water and other obstructions

weather conditions that may affect the manoeuvre

Propulsion equipment includes one or more of the following:

inboard engine

inboard/outboard engine

jet propulsion engine

outboard engine

Adverse weather conditions includes one or more of the following:

fog and restricted visibility

wind and sea conditions that may affect the safety of the vessel

Appropriate action includes one or more of the following:

altering course to minimise the effect of wind and sea

deploying a sea anchor to keep vessel head to sea

heading to wind and sea to ride out the adverse weather

reducing speed

seeking shelter

Nature of the emergency includes one or more of the following:

beaching

collision

damage to the vessel

disabled or partially disabled vessel

fire

grounding

injury or death

loss of steering gear

person overboard

Preparations for towing includes one or more of the following:

crew briefings that include the task at hand and risks to persons on both vessels

ensuring appropriate lights and shapes for the tow are available and in working order

ensuring means of communication between the two vessels is available

ensuring tow ropes are in good condition and of adequate strength for the proposed tow

making appropriate reports to authorities

preparing messenger ropes for passing tow lines

Correct towing procedures include one or more of the following:

ensuring tow line is of sufficient length to minimise shockloading on tow-line

making tow fast to the towing vessel to ensure steerage can be maintained

making provision for rapid slipping of the tow in emergency situations


Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria on at least one occasion and include:

anchoring a vessel

determining required action for a range of emergency situations

handling a disabled or partially disabled vessel

issuing helm and engine orders

manoeuvring a vessel through:

berthing and leaving a berth in various wind and tidal conditions

berthing in a pen

coming to and leaving a mooring

person overboard

towing and being towed

turn short around

turning a vessel across the tide across the wind

manoeuvring a vessel to approach an anchorage

maintaining situational awareness

manoeuvring to assist vessels in distress

using a sea anchor.


Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

effects of displacement and planing hulls

effects of inboard propulsion units

effects of rudders and propellers

effects of interaction with passing or moored vessels

factors that could adversely affect vessel safety during operations

features of a vessel that relate to its handling characteristics

lessening drift and use of oil

launching boats or life rafts

manoeuvring characteristics of a vessel:

in heavy weather

in heavy swell and surf

crossing a bar

in a narrow channel or shallow water

manoeuvring a vessel astern

manoeuvring characteristics to beach and refloat the vessel

manoeuvring characteristics to assist a vessel or aircraft in search and rescue

means of keeping a vessel out of a trough

manoeuvring a vessel to position for helicopter evacuation

precautions in manoeuvring or launching boats or life rafts in bad weather

procedures for towing and being towed

techniques for crossing a coastal bar with and against the sea

trim and displacement

work health and safety (WHS)/occupational health and safety (OHS) requirements and work practices.