Vessel & Ice Navigation
You should never enter the ice without this
What is an exit plan?
Manual topside de-icing must always happen in this directional order
What is top down (from top to bottom)?
This system must be isolated and drained for operating in freezing weather
What is the firemain?
Symptoms to watch for in shipmates working in cold weather
What is slurred speech, confusion, or uncontrolled shivering?
This type of ice should be avoided due to its density & hazard to the hull
What is glacial ice (or multi-year ice)?
Manual tools aboard Fairweather for de-icing
What are rubber mallets, snow shovels, and scrapers?
To ensure it starts reliably, this should be stowed dry, have an ice cover, and an engine block heather
What is the Fast Rescue Boat?
Implement these protocols on emergency handheld VHF radios & EPRIBS
What are battery conversation?
This IMO risk indexing system is used by bridge watch standers to evaluate safe operating limits based on observed sea ice?
What is POLARIS (Polar Operation Limit Assessment Risk Indexing System)?
The time period a mariner should consider a warming period
What is 20-45 minutes?
Precautionary action when using hydraulic systems in sub-freezing air
What is warm up time?
When operating above 60°N, the time to rescue is
What is more than 4 hours?
What is damage to rudder and propeller?
Monitor personnel for exposure and modify work rotations near this threshold
What is 5°C (35°F)?
Slush ice can block this piece of equipment and cause overheating
What are sea water chests?
Often happens to a victim after being rescued, especially from cold waters
What is Rescue Collapse?
The assigned PARs route for Fairweather goes to this latitude
What is 72°N?
In open water, sub-freezing air, & wave induced spray create this ship vulerablity
What is loss of metacentric height (GM) and risk of capsizing?
Discharge of food waste onto this polar surface is prohibited
What is sea ice?
The four main hazards of operating above 60°N
What is sea ice, ice accretion, cold temperatures and remoteness?