Baetnil: Boat Maintenance Log

Where did you stow it? When did you last change the oil? Still writing it all in a notebook?

Baetnil keeps your boat's inventory, maintenance and trips in one place.
Sailboats, powerboats and fishing boats alike.

1. Where did I put that?

Draw lockers on your boat's plan and put things in them.
Even with 300 items aboard, type a name and it tells you which locker it's in.
• Built-in plans by boat type, so you can start without your own drawing
• Add a photo to any item so you never pick the wrong one
• Set a minimum quantity and get a "Running low" alert

2. When did you change the oil?

Set a service interval in months, weeks or days, in engine hours, or both.
It reminds you when one is due, and keeps a record of what you did.
• Photos, the steps you took, the parts you used, what it cost
• Replace a piece of equipment and the old one moves to its replacement history
• Repairs list — what's not working, until it's fixed
• Checklists (e.g. pre-departure) and documents with expiry dates
• Fuel log — refueling, fuel checks, consumption and engine hours

3. Can I go out now?

Wind, gusts, wave height, wave period, visibility and currents on one screen.
The same wind means different things to different boats, so it judges by yours.
• Enter your boat's length and type, and your limits are filled in for you
• Go over a limit and it tells you which one: "Gusts are over your limit"
• Sailboats also get reefing advice — "Reef 2 in the mainsail"
• Enter your air draft and it works out whether you clear a bridge at a given time
• Marine warnings from Korea's KMA and Japan's JMA, plus spring and neap tide names

4. Every trip stays on record

Departure and arrival times, with the wind, sea and position at the time.
• Turn on tracking and your route is drawn on the map (every 5 s by default, adjustable)
• Pick who sailed with you and the trip is added to their sea time

5. Works without internet

Offshore with no signal, your inventory, maintenance, plans and logbook are all still there — and you can still add to them.
• Once you're back online, your changes upload and your crew's changes download
• Write on your phone, read on your computer at baetnil.com/app
• Marina and anchorage data (Korea, Japan, Russian Far East) is built in, so it works with no signal

6. If more than one of you runs the boat

• Members — who sails this boat, and who they are
• Roles — the owner decides who can edit what
• Tasks — assign maintenance and it lands on that person's list
• Calendar — maintenance, trips and events in one place
• Board — posts only this boat's crew can see
• Plan a departure and the people you pick are notified in advance

7. Connect with other boaters

• Marinas and anchorages — depth, fees and phone numbers, added by people who have been there
• Marketplace — buy and sell anchors, sails, life jackets and other gear (meet in person; no payment in the app)
• Forum — questions and answers from fellow boaters, with marine news and warnings
• Browse boats — see boats other owners have made public

8. When you sell her

Export equipment, maintenance, repairs and trips as your boat's history.
Hand it straight to the buyer.

9. Your location

Your current position is used only with your permission, to show local weather and tides. To get the weather, only that spot's coordinates are sent to weather providers (e.g. Open-Meteo, national agencies).
While you record a trip, its GPS track is saved with that trip on our server. Only your boat's crew can see it, unless you turn on track sharing for that trip — then the parts near departure and arrival are hidden.
No location? Just pick a spot yourself.

10. Questions and ideas

Free, with no ads and no in-app purchases. Available in English, Korean, Russian and Japanese.
We read every message, and good ideas go into the next update.
help@baetnil.com

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