CharFarr notes

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pottielottie
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153792
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CharFarr notes
Updated:
2012-05-14 14:22:10
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Orals
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ORALS notes
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  1. 3rd Officer duties?
    • Safe Navigational watch
    • Maintain LSA/FFA
    • Update charts/publications
    • Port watchkeeping
    • Bonded store
    • ISPS duties
    • Follow PMS
    • GMDSS Radio Officer
  2. What are the Emission Requirements outside an ECA area?
    • 3.5% after 01.01.2012
    • 0.5% after 01.01.2020
  3. Conditions for Discharge from a Tanker Cargo area?
    • Not in a special area
    • Must be more that 50nm from land
    • Proceeding en route
    • Rate of discharge not to exceed 30 litres per nm
    • Total quantity discharged : before 1979 = 1/15,000
    • after 1979 = 1/30,000
  4. How does MARPOL Annex 1 affect you?
    • Follow discharge criteria
    • Maintain records on Oil Record Book
    • Maintain Oil Pollution equipmen
    • Follow & implement SOPEP
    • SOPEP drills every 3 months
    • Display placards
  5. Who is the ISM Code mandatory for?
    • Cargo Ships
    • MODU > 500gt
    • All passenger ships
  6. How do you know ISM is working onboard?
    • Vessel will have valid DOC and SMC
    • Passes port state inspections
    • Complies with standards under ISM Code
    • Few near-miss reports
  7. Gyro Failure onboard. Actions?
    • Switch to 2nd Gyro
    • If that fails, Call Master
    • Raise the alarm
    • Steer by Magnetic Compass
    • Reduce speed
    • Post extra lookouts
    • Display NUC lights (if totally disabled)
    • Reporting as per Masters instructions
  8. What is NAVTEX?
    • Provides low cost, simple & automated means of recieving MSI
    • 518khz = international
    • 490khz = national
    • Coverage = 400nm
    • A - nav warmings
    • B - met warings
    • D - SAR/piracy warnings
    • L - additional nav warnings
  9. What are the problems with ECDIS?
    • Training (not properly trained)
    • Data sometimes not displayed on layers
    • Not every hydrographer updates them regularly
    • Not always a smooth transistion from chart to chart
    • Hardware/software failures
    • Position based from satellite info (errors)
  10. What are the requirements to go paperless?
    • SOLAS states that vessels must have either dual or single ECDIS
    • Vessel needs 2 independant ECDIS systems + seperate power supplies
    • Charts used to be of IHO standards
    • Company to risk assess voyages and send to the MCA
    • Vessel should have ENCs to go paperless
  11. When does the GPS go into DR mode? How can you avoid this?
    • When the signal is lost
    • Satellite configuration (DOP) is greater than 5

    • Enter the GPS set up
    • Manually disable the satellite
  12. How would you set up your RADAR for collision avoidance?
    • X-band
    • Relative trails
    • Relative Motion
    • Adjust gain/sea/rain clutter
    • Adjust to adequate range
  13. What is ARPA? Limitations?
    • Automatic Radar Plotting Aid
    • Must give: course, bearing, cpa, tcpa
    • Accuracy: 0.3nm

    • Depends on gyro & speed log accuracies
    • Have to enter STW
  14. Contents of Sailing Directions?
    • Info for Ports and Coastal nav
    • Each book as regulations/navigation for the area covered
    • Demographic information for countries and ports
  15. What is IAMSAR? Contents?
    • International Aeronautical & Maritime Search and Rescue
    • 1 - Organisation + Management
    • 2 - Mission co-ordination
    • 3 - Mobile facilities
  16. Explain transverse thrust on a right-handed ship
    • Propellar moves clockwise
    • Sideways thrust of the propellar blades as they rotate displaces water
    • Bow moves to PORT
    • Stern moves to STBD
  17. What is a Decleration Of Security?
    • A contract between the Ship and the Port
    • Used at all security levels
    • Details duties of each party for the duration of the Port stay
  18. When is a Decleration Of Security sent?
    • Security level 3
    • Ship-to-Ship transfer
    • When entering a non-contracting Port
    • When security level changes in Port
    • When ship level is higher than Port level
    • When ship has a security threat
  19. What is a Risk?
    • 2 elements:
    • (i) liklihood that a hazard may occur
    • (ii) the consequences of the hazardous event
  20. What is a Hazard?
    A source of potential harm/damage
  21. What is a Risk Assessment?
    • Measures to improve health & safety of workers
    • Examines all sources of potential harm
    • Ensures steps are in place to eliminate risks
    • Looking at:
    • (i) work activity
    • (ii) hazards
    • (iii) controls in place
    • (iv) crew at risk
    • (v) liklihood of risk
    • (vi) actions to prevent hazard
  22. How do you know if charts are corrected?
    • Check latest Weekly NtM
    • Check latest Cumulative List of NtM
    • Check latest Annual Summary of NtM
    • Check chart correction log
  23. What is the Ballast Management Plan?
    • When ballasting in USA, Brazil + Ukraine waters
    • 200nm from land
    • Depth not less than 200m
    • If this is not possible, then 50nm from land but depth not less than 200m
    • All ships to have a treatment plant by 2017
  24. What are the sources of Weather Information?
    • Radio 4 shipping forecast
    • NAVTEX
    • Met Office website
    • Newspapers
    • Fax
    • Local VTS reports
  25. What are the conditions needed for a TRS?
    • Latitude between 8 - 20 North and South
    • Sea temperature of 26 degrees and above
    • No vertical wind sheer
    • Islands close by
    • Pre-existing disturbace
  26. What are the warning signs of a TRS?
    • Ugly, lurid sky and sunrise and sunset
    • Cirriform clouds in thick spiral bands
    • An oppresive atmosphere
    • Increased humidity
    • Change in intensity/direction of Trade Winds
    • Pressure 3mb below seasonal average
    • Increase in sea swell
  27. What are the factors taken into account when calculating a Datum point?
    • Size of area to be searched
    • Available numbers
    • Type of assisting craft
    • Size of distress craft
    • Time of day
    • Visibility
    • Weather forecast
  28. What are the contents of a Fire Plan?
    • Crew list
    • Cargo plans
    • GA plan for LSA/FFA
    • MSDS
    • Bunker tank location
    • Emergency contacts
    • DG list
  29. What are the sequence of events for a Freefall lifeboat launch?
    • Carry out a risk assessment
    • Raise the alarm
    • Muster crew + head count
    • Ask individual duties of each crew member
    • Check lifeboat engines & rudder movement
    • Remove batter connection
    • Make fast the painter
    • Remove lashings from the stern
    • Swing davit completely out
    • Lower to the waterline
    • Crew to go down on a ladder
    • Lower boat to the water
    • Remove lashing, triangle bar and painter
    • Close hatches + drive away
  30. What are the contents of a SOLAS training manual?
    • Explains how to use LSA and FFA equipment
    • Contrains manufacturers instructions on equipment
  31. Explain how the IG system works
    • Flue gas produced from Auxillary Boilers
    • Enters the scubber tower (cleans + cools the gas)
    • Travels up to the demister (removes moisture from gas)
    • Gas travels through impingment plates
    • 2 blowers push the IG at 125%
    • Enters deck water seal (protects ER from HC backflow)
    • Enters PV breaker (protects tanks from pressure/vacuum)
    • Cargo goes down to tanks
    • IG moves to Mast Riser (ventilation outlet)
  32. What documents are required for DG?
    • MSDS
    • IMDG Code
    • Document of Authorisation
    • DG Manifest
    • DG Decleration
  33. How do you use a Masons Hygrometer to find humidity?
    • Note dry + wet bulb temperatures
    • Find the difference (depression of wet bulb)
    • Use rel humidity table, obtain humidity using depression of wet bulb and dry bulb reading
    • If both readings are the same = 100% humidity
    • If both readings are far apart = much drier air
  34. What is a Whirling Psychrometer? What is it used for?
    • Provides a mechanical draft
    • Used in cargo hold
    • Can predict ship & cargo sweat
    • If the hold humidity is higher than the outside air = CARGO SWEAT
  35. How do you predict fog?
    • Note dry + wet bulb temperatures for a given time
    • Find the difference (depression of wet bulb)
    • Enter the dew point table (using dry and wet bulb temps)
    • Get sea temperature from the ER
    • Plot these figures on a graph (time axis)
    • Extend the lines - gives predicted time of fog
  36. 6 non-correctable errors of the Sextant?
    • Prismatic
    • Worm + Rack
    • Graduation
    • Centring
    • Shade
    • Collimation
  37. What is Deviation?
    The difference between Compass north and Magnetic North
  38. What is Variation?
    The difference between Magnetic North and True North
  39. What are the uses of the Magnetic Compass?
    • Calculating compass errors
    • Obtaining deviation
    • Gyro failure
  40. What is a fall preventor device?
    • Prevents lifeboats/FRC from falling o the water in the event of equipment failure
    • Not mandatory under SOLAS
  41. What are your duties under MGN 315?
    • In no cirmumstances leave the Bridge
    • Responsible for safe navigation
    • Notify the master if in any doubt
    • No distractions
    • Maintain deck log book
    • Check vessel position frequently
    • Have a helmsman available at all times
    • Dont undertake any additional duties
    • Ensure hand steering is enganged in all hazardous nav situations
  42. Which ships require a liferaft forward?
    Ships whose extreme stern to the nearest end of the survival craft is greater than 100m
  43. How many pyrotechnics are required in a lifeboat/liferaft?
    • 6 x hand flares
    • 4 x rocket parachutes
    • 2 x smoke floats
  44. How many SARTs does a ship require to carry?
    2
  45. What are the regulations for a cargo ship to carry Fire Hoses?
    • 1 hose for every 30m of the ship + 1 spare
    • Not less than a total of 5
    • Ships with DG = 3 additional hoses and nozzles
  46. What are the regulations for EEBD?
    • 2 in the accommodation space + 1 spare
    • ER - variable as per Flag State
  47. How long is the painter for a liferaft?
    • Length not less than 10m +
    • Distance from the stowage position to the Waterline
    • In the lightest seagoing condition
    • OR
    • 15m
    • Whichever is greatest
  48. What are your actions in a Steering Gear Failure?
    • Switch to 2nd Pump
    • Try NFU steering
    • Raise alarm, Call master
    • Establish comms with steering gear flat
    • Engage emergency steering
    • Consider use of Bow Thruster
    • SECURITE broadcast
    • NUC lights/shapes
    • Increase position fixing frequency
    • Report to nearest VTS
    • Prepare for possible anchorage
  49. What weather is expected with a Warm Front?
    • Cirrus cloud >> Cirrostratus
    • Light rainfall
    • Cool winds
    • Temperatures begin to rise slowly
    • Increase of air pressure
    • Clouds thin out
  50. What weather is expected with a Cold Front?
    • Cumulus clouds
    • Pressure drop
    • Temperature drop
    • Increase in wind speed
    • Prolonged rain
    • Poor visibility

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