Let’s get one thing out of the way: you don’t buy “megabits.” You buy whether the email goes when the mate is yelling for the manifest, whether the chart update finishes before the pilot boards, and whether the crew Wi-Fi stops them from staging a mutiny at 19:30. You’re buying a service, a technical and well-being lifeline. The pretty “$/Mbps” number on a brochure is like the sea state forecast you got three days ago: fine print that doesn’t drive the ship.
Speed tests are party tricks. They happen at midnight when half the crew is asleep and the weather is kind. What matters is what the link delivers when everyone is online and a squall rolls through. Ka-band sulks in heavy rain unless you bought margin. Margin isn’t magic; it’s a bigger dish, smarter coding, better shaping, or a second path that doesn’t drown when Ka does. You either pay for that up front or you pay later in downtime and apologizing to the office. Both show up on a ledger. One of them is quieter.
LEO looks like a sports car. It sprints hard, especially when the network’s in a good mood. But it comes with a top shelf called “priority.” That shelf is not infinite. Treat it like it is and you’ll discover the throttle on a Friday night when the crew wants football and you want weather charts. Then someone calls the provider for “just a little more” and the bill grows a tail. The antennas are not the expensive part. Human behavior is.
VSAT is boring, and boring is good. It gives you a steady heartbeat, the sort of speed you can plan around, and it doesn’t throw tantrums when the clouds stack up. It also won’t win any races, which is why people get tempted by LEO. The trick isn’t choosing one religion. The trick is putting them together so they cover each other’s bad moods. VSAT for the stuff that must work every time. LEO for the bursts and the crew’s sanity. 5G for the harbor and the coast where cheap and loud is exactly what you want. When it’s done right, the network gets dull. Failover happens without fanfare. Logs show a blip. Nobody notices. That dullness is the product you’re really buying.
If you want a number you can live with, stop dividing the bill by a fantasy speed. Take what you pay each month, add what the hardware really costs when you stretch it over its service life and the support you actually need, and divide by the speed you genuinely see during the busy hour in fair weather. Then do the same math for a filthy, wet day on a Ka route. That second number is your “weather tax.” Keep both taped to the bulkhead. They’ll tell you more than any “up to” on a slide.
There’s a second number you should keep: the cost of one bad hour at the worst time. If the link dies when you’re lining up cargo ops or waiting on paperwork, what does that hour really cost in delays, overtime, or fuel while you loiter? Multiply that by how long it usually takes to recover and by how often it happens in the season you’re sailing. Call it ugly, write it down anyway. It keeps the adults honest.
Crew Wi-Fi is not a morality play. It’s plumbing. Cap video per person. Push big OS and phone updates to the night watch or (better) into port on 5G. Spread the fun across the day with basic vouchers or tiers so the LEO bucket doesn’t vanish exactly when the office wants a video call. Give people rules that work and they’ll work with you. Give speeches and the network will teach you the same lesson the hard way.
Antenna changes always take longer than the salesperson promised. It’s crane time, cable runs, connectors, sealing, class paperwork, and someone in coveralls doing a job that’s harder in wind than on a whiteboard. Treat it like you treat a dry-dock item: plan it, price it over years, and you won’t be surprised every quarter. Space on the mast is real estate. Choose like it is.
When you write the check, you’re paying for behavior. You’re paying for a link that doesn’t blink in the rain, for a handover that happens without dropping your call to the office, for a Friday night that doesn’t eat your priority like popcorn. VSAT-only feels thrifty until the squall line shows up. LEO-only feels heroic until the bucket says “no.” The blend wins because it turns drama into boredom. And boredom, on a ship, is the nicest thing a network can be.
If you want to prove it to yourself, don’t hire a poet. Pull three months of your own logs. Hour by hour: business traffic, crew traffic, the streaming and the updates. Mark the rain. Mark the outages, even the short ones that nobody admits happened. Note the handovers and how long it took to settle. Then stack those charts next to your bill and the contract you actually signed. The story writes itself: what you really got, when it mattered, and what it cost when it didn’t.
That’s the truth captains need. Not “$/Mbps.” Not midnight Speedtests. Just a network that behaves when people are watching and keeps behaving when they aren’t. If your setup gives you that, keep it. If it doesn’t, don’t argue with the brochure, argue with the behavior and change the rig until the ship is quiet again.
