MOB

Question 1

Factors influencing an effective recovery
(list 5)

Answer 1

1. Weather
2. Sea Temp
3. Day/Night
4. Crew Experience
5. Time Delay
   Geographic Location
   No. Search Units
   Condition of the person falling

Question 2

Some factors that will affect speed of recovery
(list 6)

Answer 2

1. Ship manoeuvring characteristics
2. Wind + Sea State
3. Experience of Crew
4. Visibility
5. Recovery Technique
6. Other vessels assisting

Engine capabilities
Location of incident

Question 3

Anderson Turn

Answer 3

Used if casualty witnessed
1. Fastest recovery method
2. used by most ships with considerable power
3. Good for ships with tight turning characteristics
4. Difficult for single screw vessel
5. Approach to person not straight

single turn_hardover_250 deg midships_stop

Question 4

Williamson Turn

Answer 4

1. Makes good original track line
2. Good in reduced visibility
3. Simple
4. Takes ship farther away from scene of incident
5. Slow Procedure

hard over_ 60 deg off course_hard over_20 deg short recip course_midship

Question 5

Requirements of the OOW in the event of a MOB

Answer 5

Liefbuoy with light and smoke
Look outs
GNSS MOB marker
MOB on ECDIS
Hand steering
Immediate turning for safety of MOB
General Emergency alarm + 3 prolonged blasts (OSCAR)
Call Master
Recovery manoeuvre
Prepare for recovery
Broastcast DISTRESS message
Engines on standby
Assume role On Scene Coordinator
Signal flag OSCAR
Maintain Log

Question 6

Initial Action

Answer 6

1. Turn towards casualty
2. Lifebuoy Light + Smoke
3. Oscar (3 prolonged)
4. General Alarm, Muster Crew
5. Inform Master
6. Decide Recovery Method
7. Hit MOB button in Bridg
8. Lookouts with BINOS
9. Rescue boat team ready w/ VHFs
10. Broadcast DISTRESS message

Question 7

Witnessed vs Unwitnessed

Answer 7

1.Immediate (witnessed)
2. Delayed (unwitnessed)
3. Missing Persons (unwitnessed)

Question 8

Search Patterns

Answer 8

Use the book IAMSAR VOL III

Use tenders/jetskis/rescue boat to assist

-Expanding Square
-Straight back down heading with other craft / heli zig zagging over