The Marine OS blog
Field notes for modern marinas
Operations playbooks, compliance deep-dives, and industry research — for the people who run marinas.
FishingBooker Commission: The Real Math for Charter Captains (2026)
What FishingBooker and charter marketplaces actually cost per season: commission rates, when the fee is worth paying, when it is not, and how captains keep repeat business commission-free.
SEFHIER Electronic Reporting: A Plain Guide for Charter Captains (2026)
What SEFHIER requires from federally permitted charter and headboat captains: who must report, what goes in an electronic trip report, deadlines, approved apps, and the Gulf reinstatement status.
Spray Drone Record Keeping: What Part 137 Operators Must Log (2026)
The records agricultural spray-drone operators are required to keep: FAA Part 137 obligations, state pesticide application records, the weather fields that matter in a drift dispute, and how long to keep everything.
Pesticide Drift Liability for Drone Operators: The Records That Protect You (2026)
How drift claims against spray-drone applicators actually work: the legal theories, the evidence courts weigh, why wind records decide outcomes, and the defense file every operator should build per job.
Bridge & Lock Opening Times in the Netherlands: Planning a Canal Route Around Them (2026)
Dutch canal trips are timed by bridges and locks, not distance: fixed clearances, bedientijden (operating hours), seasonal schedules, and how to plan a route that arrives when the bridge actually opens.
How to Plan a Boat Trip with Multiple Stops (2026 Guide)
Planning a boat trip with several stops - fuel dock, anchorage, waterfront restaurant, home - is an ordering problem. How stop order changes total distance, how to sequence stops the smart way, and tools that do it automatically.
Island Hopping Route Planning: Get the Island Order Right (2026)
Island hopping by boat - Bahamas, Caribbean, Greek islands, San Juans - lives or dies on the order you visit the islands. How to sequence an island itinerary, when to break the loop for weather, and tools that compute the order.
The Perfect Boat Day Trip Itinerary: Fuel, Sandbar, Lunch, Home (2026)
How to plan a boat day trip with several stops: sequencing the fuel dock, sandbar, waterfront lunch, and swim anchorage so the day flows instead of zigzags, with realistic timing and fuel math.
Why the Shortest Route Between Multiple Stops Is Not Obvious (Boater's Edition, 2026)
The traveling salesman problem, on the water: why humans mis-order stops past four or five, how orderings explode factorially, what routed sea distance changes, and how exact optimization works for boat trips.
How to Build a Weekend Boat Cruise Itinerary (With Real Distances, 2026)
A two-day cruise plan that actually works: how far a weekend really reaches, sequencing overnight and day stops, Sunday-afternoon weather risk, and computing the stop order instead of sketching it.
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