GMDSS & IAMSAR Vol. III Flashcards
1
Q
GMDSS
What are the three main search patterns?
A
For witnessed MOB:
- Expanding Square search - good over a small search area
- Sector Search -
How would you know / determine your search leg lengths?
What are you searching for? Person? Liferaft?
What are the weather conditions? Wave height, visibility?
Look at table inside IAMSAR - “uncorrected sweep widths for merchant vessels”
For unwitnessed MOB:
- Creeping line search - in collaberation with yachts tenders? While waiting for SAR helicopter / professional help
2
Q
GMDSS
What are your actions in the event of a MOB?
A
- Turn towards casualty
- Mark the position (GPS MOB button on all equipment)
- Release MOB buoy / lifering with smoke
- Sound General Alarm / Sound OSCAR and Raise flag (3 long blasts)
- Make decision regarding manoeuvre (Williamson, Anderson Sharnov)
- Lookouts posted with binoculars + instructions to keep eyes on MOB
- Rescue boat team to must and brief
- Send out distress message
3
Q
GMDSS
How long will your reserve power sources last?
A
- Emergency generator 18 hours
- Batteries only 6 hours
- Both will power steering, bridge equipment, fire pump and bilge pumps etc
4
Q
GMDSS
What would be an OK reading for your emergency GMDSS battery during your daily checks?
A
- 13.2 V
- Hydrometer to check battery acid - PPE!
- Distilled water