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Learn the rules, the tricks and the tools
Plain-English explainers on the regulations that change your year, how-tos from people who have done the job, a glossary, templates, and product tours.
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From the blog
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 · 2026-09-24Regulation · 7 min read
CII in 2026–2027: the tightening, the correction factors and what a C, D or E rating costs you
The CII reduction factor jumps to 13.625% in 2027 and 21.5% by 2030. How the bands move, which corrections apply and what a D really costs.
The Naavra regulatory 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 · 2026-09-24Explore
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Glossary
66 maritime terms, plainly explained.
OpenTemplates and checklists
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OpenWebinars and events
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OpenProduct tours
Click through the product.
OpenPorts, terminals and berths
Key facts, depths, DA estimates and PSC risk, by port.
OpenGuides by ship type
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OpenCertificate trackers
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OpenPort State guides
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OpenVetting practice
SIRE 2.0 practice by chapter.
OpenCII by ship type
Rating calculators per type.
OpenDredging calculators
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OpenFlag guides
What to track, by flag.
OpenThe monthly brief
One email a month: the rules that changed, what they mean on board, and one thing to try. No spam, and one-click unsubscribe.
See your own fleet in Naavra
A 30-minute walk-through on your ships, your ports and your people. We bring the synthetic fleet; you bring the questions.