Author
The Naavra operations desk
People who have run port calls, dry docks and crew changes, writing about what actually happens on the day.
How-to · 6 min read
Disbursement accounts: the 12 lines to always check, and how to query them
A final DA has ten to forty lines. Twelve decide whether it is right. How each is charged, what to check it against, and how to query without a fight.
The Naavra operations desk · 2026-09-24Crew and people · 5 min read
Crew change economics: the real cost per relief, and how to plan it
Flights are only part of a relief. The full cost stack, the MLC limits that set the timing, and a way to choose the port and the week with the numbers.
The Naavra operations desk · 2026-09-24Guides · 5 min read
Dry-dock budgeting: why dockings overrun, and how to control variations
Most docking overruns are decided before the ship enters the dock. How to build the budget, price the unknowns at tender and run variations day by day.
The Naavra operations desk · 2026-09-24Crew and people · 6 min read
MLC rest hours: the rules, the common violations and the audit trail
10 hours in any 24, 77 in any 7 days, no more than two periods. Why compliant-looking days still breach, and how to keep a record that survives inspection.
The Naavra operations desk · 2026-09-24Operations · 5 min read
OVID for offshore: how an OVIQ4 inspection works, and how to prepare
OVIQ4 went live in April 2025. How OVID inspections are run, how they differ from SIRE 2.0, and a preparation routine for offshore operators.
The Naavra operations desk · 2026-09-24Operations · 5 min read
Port State detention: the top deficiency areas by MoU, and how to stay off the list
Fire safety leads both the Paris and Tokyo MoU tables. What the 2024 figures say, which items detain ships, and a pre-arrival routine that works.
The Naavra operations desk · 2026-09-24Operations · 6 min read
SIRE 2.0 and human factors: how the human questions change a tanker inspection
SIRE 2.0 grades people, not only pumps. The four human responses, the nine performance influencing factors, and a preparation routine that works.
The Naavra operations desk · 2026-09-24