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🚢 When should I report BOSP and EOSP events? Are they the same as Departure and Arrival?

Understand when to report Beginning and End of Sea Passage events and how they differ from Departure and Arrival.

BOSP (Beginning of Sea Passage) and EOSP (End of Sea Passage) are separate reporting events and should not be confused with Departure and Arrival.

Do not report BOSP automatically at departure. BOSP should be recorded when the ship actually begins its sea passage, normally at Full Ahead on Passage (FAOP).

Similarly, EOSP should be recorded when the sea passage ends, before the subsequent manoeuvring and port operations.

What is the correct reporting sequence?


Why is this distinction important?

Reporting these events separately helps distinguish between:

  • Port-to-port voyage boundaries, defined by Departure and Arrival.
  • Actual sea passage, defined by BOSP and EOSP.
  • Manoeuvring periods, which occur between Departure and BOSP or between EOSP and Arrival.

This distinction supports accurate allocation of operational time and fuel consumption to the corresponding voyage phases.

❗Important: BOSP and EOSP should reflect the ship's actual operational status. Do not create a BOSP event simply because a Departure event has been reported.