Voyage planning Flashcards
What rate of speed does the sun move
rate of 15 degrees of arc an hour measured at the equator
(15 degrees of longitude per hour)
How many time zones or vertical sectors are there
24, each 15 degrees of longitude wide
What time should be kept on the ships clock
local time where the vessel is operating
What are the four main categories for voyage planning/preparation for nav officers
Publications and charts
Equipment
Personnel
Operations
What publications are used planning and executing initial transits
Coast pilot and sailing directions
What publications can you find planning distances for voyage planning
Pub no 151 Distance between ports
what does OTSR stand for
Optimum track ship routing
When should you send requests for service to OTSR
at least 72 hours before departure
When should OTSR send you the short range weather forecast
at least 36 hours before departure
What publication can you find guidance on requesting OTSR services
NAVOCEANCOMINST 3140.1
How often do you submit a position report
3 times daily to the master 0800, 1200, 2000
What does PIM stand for
position of intended movement
How close are vessels required to stay to their PIM
50 miles or 4 hours
How often are night orders completed by the master and when
every night even if master is on the bridge.
When is the navigation brief required to be completed
within 24 hours from time expected to arrive to station the special sea or anchorage area
