SAQA All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.
SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD: 

Apply knowledge of hydrodynamics in pilotage 
SAQA US ID UNIT STANDARD TITLE
242838  Apply knowledge of hydrodynamics in pilotage 
ORIGINATOR
SGB Maritime Operations 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 11 - Services Transport, Operations and Logistics 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 5  Level TBA: Pre-2009 was L5  15 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Reregistered  2018-07-01  2023-06-30  SAQA 06120/18 
LAST DATE FOR ENROLMENT LAST DATE FOR ACHIEVEMENT
2024-06-30   2027-06-30  

In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.  

This unit standard does not replace any other unit standard and is not replaced by any other unit standard. 

PURPOSE OF THE UNIT STANDARD 
The qualifying learner is capable of understanding the components of hydrodynamics that impact on piloting a vessel. This involves controlling and maintaining directional stability of the piloted vessel without the assistance of tugs in a timeous and decisive manner.

The qualifying learner should satisfy the competent pilotage authority's requirements that his/her medical fitness, particularly regarding eyesight, hearing and physical fitness meets the standards required for certification of masters and officers in charge of a navigational watch under the international Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW 1995) or as the relevant authorities consider appropriate.

Qualifying learners will be capable of:
  • Determining and maintaining under-keel clearance for the passage.
  • Understanding the effects of reduced under-keel clearance and shallow water on manoeuvring a vessel.
  • Understanding the effect of bank suction on vessel manoeuvrability.
  • Countering the effects of ship interaction on the directional stability of vessels manoeuvring in close proximity. 

  • LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    It is assumed that a learner will be competent in:
  • Communication at NQF level 4 or equivalent.
  • Mathematics at NQF level 4 or equivalent.
  • Physical Science at NQF level 4 or equivalent. 

  • UNIT STANDARD RANGE 
    N/A 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Determine and maintain under-keel clearance for the passage. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Available depth of water is ascertained relative to tidal conditions and chart datum. 

    ASSESSMENT CRITERION 2 
    The degree of squat is determined by calculation or tables, in terms of the proposed speed of the piloted vessel. 

    ASSESSMENT CRITERION 3 
    Under-keel clearance is maintained in relation to vessel speed adjustments. 

    ASSESSMENT CRITERION 4 
    Reduction in under-keel clearance is calculated according to heave in a sea-way. 

    ASSESSMENT CRITERION 5 
    Reduction of under-keel clearance is calculated according to the extent of rolling. 

    SPECIFIC OUTCOME 2 
    Apply the effects of reduced under-keel clearance and shallow water on manoeuvring a vessel. 
    OUTCOME RANGE 
    Effects include, but is not limited to: reduced steering, increased turning circle and increased stopping distance. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Allowance is made for reduced steering capability in relation to under-keel clearance. 

    ASSESSMENT CRITERION 2 
    Allowance is made for increased turning circle in relation to under-keel clearance. 

    ASSESSMENT CRITERION 3 
    Allowance is made for increased stopping distance in relation to under-keel clearance. 

    ASSESSMENT CRITERION 4 
    The loss of directional stability is explained in relation to speed, squat and under-keel clearance. 

    SPECIFIC OUTCOME 3 
    Counteract bank suction and channel effects. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The effect of the channel profile in a confined channel on manoeuvrability is explained in relation to the local port conditions. 

    ASSESSMENT CRITERION 2 
    Anticipated bank effects in confined channels are counteracted according to the bank profile. 

    ASSESSMENT CRITERION 3 
    Anticipated cross-current effects in confined waters are counteracted according to prevailing conditions. 

    ASSESSMENT CRITERION 4 
    Bow and cushion effects in confined waters are anticipated and counteracted according to prevailing conditions. 

    ASSESSMENT CRITERION 5 
    Speed and course are adjusted to counter the impact of current, bow, cushion and bank effects on manoeuvrability. 

    SPECIFIC OUTCOME 4 
    Counter the effects of ship interaction on the directional stability of vessels manoeuvring in close proximity. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Interaction between two vessels passing in close proximity is explained in relation to pressure changes in fluids. 

    ASSESSMENT CRITERION 2 
    The factors impacting on the interaction are explained in terms of the prevailing circumstances. 
    ASSESSMENT CRITERION RANGE 
    Factors includes, but is not limited to relative displacement, speed, draught and distance apart.
     

    ASSESSMENT CRITERION 3 
    The effects of interaction are anticipated and counteracted in relation to approaching and passing vessels in close proximity. 

    ASSESSMENT CRITERION 4 
    The effects of interaction are anticipated and counteracted in relation to passing a stationary vessel in close proximity. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • Any institution offering learning that will enable achievement of this unit standard and the related Exit Level Outcomes of the Qualification must be accredited by the relevant Education and Training Quality Assurance (ETQA) body.
  • External Moderation of assessment will be overseen by the relevant ETQA at its discretion.
  • The accredited Training Provider will oversee internal moderation of assessment.
  • Internal and external moderation should encompass achievement of competence described in the specific outcomes of the unit standard as well as the integrated competence described in the purpose of the unit standard. 

  • UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
  • Hydrodynamic factors that influence under-keel clearance.
  • Calculate squat and increase in draft due to heave and rolling.
  • Vessel manoeuvrability and directional stability.
  • Impact of bank suction, cross-currents, bow and cushion effects.
  • Bernoulli's principle and effects of pressure changes in fluids. 

  • UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identify and solve problems associated with hydrodynamics in piloting a vessel by employing responsible decision-making and creative thinking related to hydrodynamics. 

    UNIT STANDARD CCFO WORKING 
    Work effectively with others as a member of a team, group or role-players in counteracting the effects of bank suction, interaction, cross-currents, bow and cushion on the provision of pilotage services. 

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage oneself and one's activities responsibly and effectively to cope with the responsibility of providing pilotage services. 

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively using appropriate modes of oral and/or written persuasion in dealing with all role-players in applying an understanding of hydrodynamics in piloting a vessel. 

    UNIT STANDARD CCFO SCIENCE 
    Use science and technology effectively and critically, showing responsibility towards the environment and health of others, in applying knowledge of hydrodynamics in piloting a vessel. 

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of international and national shipping practices in solving hydrodynamic problems related to piloting a vessel in various conditions. 

    UNIT STANDARD ASSESSOR CRITERIA 
  • Assessors must be registered as assessors with a relevant ETQA or an ETQA that has a Memorandum of Understanding with the relevant ETQA.
  • Assessors must be in possession of a relevant qualification at a minimum of National Qualifications Framework (NQF) level 6. 

  • REREGISTRATION HISTORY 
    As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2012; 2015. 

    UNIT STANDARD NOTES 
    Supplementary Information:
    The application of knowledge of hydrodynamics may be demonstrated on a ship handling simulator. 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  57714   National Certificate: Marine Pilotage  Level 5  Level TBA: Pre-2009 was L5  Passed the End Date -
    Status was "Reregistered" 
    2015-06-30  TETA 


    PROVIDERS CURRENTLY ACCREDITED TO OFFER THIS UNIT STANDARD: 
    This information shows the current accreditations (i.e. those not past their accreditation end dates), and is the most complete record available to SAQA as of today. Some Primary or Delegated Quality Assurance Functionaries have a lag in their recording systems for provider accreditation, in turn leading to a lag in notifying SAQA of all the providers that they have accredited to offer qualifications and unit standards, as well as any extensions to accreditation end dates. The relevant Primary or Delegated Quality Assurance Functionary should be notified if a record appears to be missing from here.
     
    NONE 



    All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.