Ondeck Sailing and Powerboat School

Maritime Training


Yachtmaster Ocean Theory Practical Day - Ondeck Sailing Antigua


Yachtmaster Ocean Theory Practical Day


This will be a day mostly at sea designed as a practice day for navigating and preparation for taking sights on your 650nm + Qualifying passage.


Candidates should have already completed the RYA Ocean theory with Ondeck Sailing or another school and this can be taken as an optional extra day at the end of the course.


Candidates can also use this to brush up their skills.


The day will combine sailing with navigation so as to re-produce the practicalities of celestial navigation at sea.


The first session consists of prep work:


Working out time of Meridian Passage and Working out optimum time for Morning and afternoon Sights


At Sea:
Taking the Morning Sight Time

Taking a series of sights and averaging them
Reducing sights and plotting the Sight
Taking the Noon Sight
Plotting the Noon Sight and transferring the Morning Sight to establish a fix
Taking the Afternoon Sight; Time and taking a series of sights
Reducing and plotting the sights
Transferring the Afternoon sight back to noon, to confirm Noon fix.



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