Duties of OOW

Question 1

When is it appropriate to call the master when on watch?

(Visibility/Malfunctions/Response/Navigation)

(11)

Answer 1

• Restricted Vis
• Heavy weather
• Steering or Propulsion malfunction
• GMDSS malfunctions
• Witnessing or receiving a distress
• Unable to maintain course
• Traffic congestion concern
• When in a different position than expected
• Sighting Nav mark when not expected to
• When a Nav mark is not sighted when expected to
• Meteorological hazards / threat to security
• Amendment to passage plan

Question 2

What should be logged in the GMDSS log?

(5)

Answer 2

• Summary of communications
• Daily position
• ID of other stations communicated with
• Difficulties experienced with communication
• False alerts / Inappropriate transmissions

Question 3

Which MGN highlights Fatigue & fitness for duty?

Answer 3

MGN 505
Human Element Guidance

Question 4

Maintaining a proper lookout:

(6)

Answer 4

• ID Nav hazards
• ID AtoN
• ID threats to security
• Risk of collision appraisal
• Respond to weather
• Respond to distress

Question 5

Who is the OOW with regards to MGN315?

Answer 5

Masters representative.

Responsible for the safe navigation of the vessel in full compliance with the IMO.

Question 6

What 2 pieces of information guides an OOW on bridge watch?

Answer 6

SMS + Masters standing orders

Question 7

List the 5 steps of conducting a risk assessment:

Answer 7

1. ID hazards & likelihood
2. Indicate who may be harmed + how
3. Evaluate risks / decide on precautions
4. Record findings & implement precautions
5. Review the risk assessment

Question 8

What shipboard operations will an OOW oversee?

(7)

Answer 8

• General watch over ships decks
• Monitoring (where possible) people working on deck
• Understanding work going on onboard (permits to work)
• Monitoring machinery status
• Supervision of ships safety & environmental systems
• Consider weather and sea state for safety

Question 9

What generally follows a risk assessment?

Answer 9

A permit to work.

Question 10

What stability information needs to be monitored by the OOW?

(8)

Answer 10

• Status of ballast tanks

• Status of fuel + oil tanks

• Status of fresh water tanks

• Draughts (hogging & sagging)

• Ships trim

• Bending moments and shear forces

• List or heel experienced

• Approx. Metacentric height (GM)

Question 11

Ann OOW should be familiar with what regarding manoeuvrability?

Where will this information be found?

Answer 11

Stopping distance, handling characteristics.

Found on the wheelhouse poster, pilot card, ships manoeuvring booklet.

Question 12

When should a helmsman take over steering control?

(4)

Answer 12

• High traffic density
• Restricted visibility
• Ship manoeuvring / Pilotage
• Any other potentially hazardous situations

Question 13

Where would information for keeping a safe Nav watch be found?

Hint MGN

Answer 13

MGN 315
KEEPING A SAFE NAV WATCH KN MERCHANT VESSELS