MOB

Question 1

Factors influencing the speed of recovery? MOB

Answer 1

Ships’ s manoeuvring characteristics
Wind direction and sea state
Crew’s experience and level of training
Capability of the engine plant
Location of the incident
Visibility level
Recovery technique
Possibility of having other vessels assist

Question 2

What is the Anderson turn?

Answer 2

Single turn
Hard over towards the casualty until 250° from the original course, then straighten the rudder.

Question 3

What is the Williamson turn?

Answer 3

1. Turn the rudder hard towards the casualty.
2. When the ship has turned 60° from its original course, turn the rudder hard to the opposite side.
3. As the ship nears 20° short of the reciprocal original course, straighten the rudder.

Question 4

What are the different MOBs?

Answer 4

Witnessed:
Immediate
Delayed

Unwitnessed:
Person-missing

Question 5

Windward or leeward of casualty?

Answer 5

Windward

Question 6

What would you as a OOW on watch do in event of MOB witnessed by the bridge?

Answer 6

Engage hand-steering and turn towards the casualty
Throw lifebouy with light & smoke
Inform the master
Raise the alarm saying where the MOB is and muster
Post lookouts with binoculars high up on the ship
Sound “Oscar” & hoist flag
MOB buttons on all bridge equipment
Commence turn depending on the factors present (Weather, own ship, viz, etc..)
Prepare R/T team with VHF radios
On master command - Send a distress call “MAYDAY”
Rig pilot ladder
Rig Jasons cradle

Question 7

Which SAR patterns are there?

Answer 7

Witnessed:
Expanding Square
Sector Search

Unwitnessed:
Creeping line

Question 8

What does the leg sizes of the SAR patterns depend on?

Answer 8

How visible the object/person being rescued is in the water (Sea state, characteristics)

Question 9

Datum IAMSAR?

Answer 9

Reported position and time of the SAR incident