Navigation (STCW Ch VIII, At Sea, Pilotage) Flashcards
Describe the rest hours for seafarer to be fit for duty?
- 24 hour period = 10 HOURS MINIMUM
- 10 hours split into = ONE PERIOD AT LEAST 6 HOURS
- 7 day period = 77 HOURS MINIMUM
What is the Master’s obligation for the Vessel’s Passage Plan?
- To be checked prior to sailing
- Using adequate and appropriate charts and nautical publications
- Contain accurate, complete and up-to-date information regarding:
Navigational Limitations
Hazards
Relevant to the safe navigation of the ship
State where the Passage Plan should be displayed?
Displayed on appropriate charts, and should be available to the OOW at all times
If the vessel is to deviate from the original passage for whatever reason, state what should happen before taking such action?
An amended route needs to be planned, checked and approved before taking the deviation.
State the Master’s obligations for maintaining a watch?
That the manning is adequate at every stage of the voyage, and gives general direction to the OOW’s of his/her instructions to perform the watch.
Determine when it is suitable to keep a sole-lookout on the Bridge?
- Must be during daylight hours
- The situation has been assessed of current and forecasted conditions
- Factors have been taken into account
Weather
Visibility
Traffic Density
Proximity of Navigational Hazards
In OR Near TSS’ - Assistance is immediately available if required
Outline the factors that would effect the composition of a Bridge Team?
- State of visibility, weather and sea conditions
- Traffic density
- In OR Near TSS’
- Additional workload of the ship
- Fitness for Duty of crew
- Competence of the crew
- Crew’s knowledge of trading route
- Experience of the crew (with equipment, procedures, manouverability of ship)
- Activities taking place at a specific time
- Operational status of equipment
- Manoeuvring characteristics
- Size of ship & field of vision from conning position
- Configuration of Bridge
- Extra procedures or guidance
When deciding your composition of Bridge Team, what other factors should you consider?
- At no time should the bridge be unattended
- Environmental conditions (weather /visibility/day/night)
- Proximity to navigational hazards
- Use and operational condition of navigational aids
- If the ship is fitted with auto-steering
- What radio communications are expected
- Any increase in workload due to UMS controls and alarms
- Any special circumstances which may place additional demands on the navigational watch
Describe the scenarios in which the reliving OOW cannot hand over the watch?
- If they believe that the relief is not capable to carry out their duties effectively - if so, they should notify the Master
- When a manoeuvre or any other action to avoid any hazard is taking place
State when the reliving OOW can begin to take over the watch?
- They are fully capable of performing their duties
- Their vision is fully adjusted to the present light / dark conditions
- Know the position, course, speed of the ship, whether it is on track
- Note dangers to navigation and upcoming traffic
List the areas that should be covered when handing over the watch?
- Standing Orders and Special Instructions (Night Orders)
- Position, Course, Speed and Draught of Ship
- Prevailing and Predicted
Tides
Currents
Weather
Visibility - Readiness of engines
- Operational condition of Nav & Safety equipment
- Errors of Gyro and Magnetic Compass
- Traffic and other ship movements
- Conditions and hazards expected during watch
- Heel, Trim, Water Density and Squat changes on UKC
Give 5 entries that Should be made in the Deck Logbook?
- Ship’s position recorded at regular intervals.
- Any alterations of course and speed
- Weather and sea conditions.
- Precautions taken in restricted visibility or heavy weather
- Any significant navigational events.
Describe the regular checks that the OOW should make?
- Person steering or automatic pilot steering correct cause
- Standard compass error (once a watch, after major alterations)
- Automatic pilot manually tested
- Navigation & Signal Lights
- Radio equipment
- UMS controls, alarms and indicators
What is the main responsibility of the Pilot?
Director of the navigation whilst receiving assistance from the Master and Bridge Team at critical stages of the voyage.
Describe the preparations of the vessel in order to be ready for pilotage?
- Passage plan - from berth to berth. The pilot might request changes according to his experience and the Master must be ready in case
- Appropriate manning - duties outlined, briefed
- Know the pilot coming is qualified, certified and rested
- Pilot card - prepared with stability, particulars, any known defects
