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Monitoring (1/2) - Coggle Diagram
Monitoring (1/2)
Fix Frequency
Already determined
at Planning stage
Might be revised
Minimum frequency
Ship can`t get in danger BTW fixes
Visual Bearings
Lack of visual objects
Use RADAR distances
Or whole fix
Mixtures of
Visual and Radar Bearings
with Radar ranges (distances)
Electronic position fiing
No shore-based objects
Radar costline indistinct
Operator
Needs good understanding of principles of electronic system
Estimated Position
When fix different than EP
1st - Check EP
2nd - Check the fix
If both correct
External forces acting
Wind
current
Fix one position, Estimate next
Monitoring
Ensure ship is following
Pre-determined Passage Plan
Function of OOW
Alone
Assited by other personnel
as back up for another officer with the con
First Requirement
Know where you are
Establish Position
Soundings
Good to check
at the time of the Fix
whereabouts the ship is
Check UKC
Cross Track Error
If deviating from track
OOW determine
If might go into danger
Action to remedy and return
Judge how much alters course to return