SHIP HANDLING Flashcards
What do you consider before berthing?
Controllable factors:
- engine
- rudder
- anchor
- fenders
- first and last line
- pivot point
- transverse thrust
- bow/stern thrust
What are the uncontrollable facotrs?
Tides and wind (weather)
When would you use an anchor?
Tight spaces, controll my bow. Onshore winds.
Can you berth with the tide astern?
NEVER (not for this exam)
Revise GMA ship handling situations
What is squat and what is the calculation for squat?
Displaced water is not easily replaced and suction happens. It is proportionate to depth of water and speed. Reduction in UKC. Squat= CB x Velocity2 / 100 (open water) or 2 x (cb x V2) / 100.
Describe bank affect
What is girting?