Help Center
Help articles from theONE’s in-app Help Center, grouped the way the app groups them.
Trips & legs
- Cancel or reschedule a trip (and aborting a leg)Weather changed. Plans changed. Here's how to back out cleanly.
- Add or edit a legHow legs work and how to change one.
- Arrival debrief — what broke, what's low, what to rememberThe sixty-second capture on End Trip: three lanes, no mandatory fields. Lines become issues, needed supplies, and jots — all tagged with the leg — when you tap Mark Trip Completed.
- Create a new tripFrom a blank slate to a trip you can plan.
- Departments, tasks, and phasesTrip tasks group by department. Inside each department, tasks group by phase. Both lists come from real enums in the code, so they'll always look the same.
- Trip departure planning — the next 72 hoursDeparture Windows finds the best times to leave the dock over the next 72 hours by scoring each hourly slot against four criteria.
- The End-Cruise wizard — 9 steps explainedClosing out a trip is a 9-step wizard ending on a recap you commit. Ending one leg mid-cruise runs the same wizard in a 5-step form.
- Complete (end) a tripWalk through the End Trip wizard and what each step asks for.
- Go now — cast off from the chart in one tapLeaving right now with nothing planned? One tap on the chart starts a trip, a leg and its track; you name the destination when you tie up.
- Inside a trip — what every section meansTour the Trip Detail screen.
- Reschedule cascade — what each option doesWhen you start or end a leg off its planned time and legs follow it, theONE asks how to handle those legs. Three exact options. Editing a leg's ETD or ETA by hand does not ask — it moves that leg alone.
- What the phase chip meansPre-departure, Departing soon, Underway, Post-operation — what the chip reads at each point and what it changes.
- Voice memos on a legRecord a voice memo on any leg. theONE transcribes it on this device, and both the caption and the transcript become searchable.
- Where I've been — every leg and every track, one listFind where the boat actually went: every leg that ended and every recorded track, newest first, tap to replay it on the chart.
Crew & access
- Pre-expiry banners and extension requestsWith notifications allowed, theONE notifies you 12 hours, 6 hours and 1 hour before your access toggle expires, and tapping one opens a sheet to acknowledge or request an extension. With notifications off, a banner counts the last 24 hours down instead.
- Importing contacts — one search screen, roles includedBring people from your device's contacts into theONE through one searchable screen, and set who they are to the boat before anything saves.
- Crew allergies & dietary notes — on the trip, at a glanceRecord allergies, dietary restrictions and medical notes on crew cards. The owner, captain and manager see them on every card; each person sees their own; other crew do not.
- The Crew Book — your personal rolodexKeep a card for everyone who works this boat — captain, mate, chef or deckhand — with their contact details, licences, certifications and notes. The cards belong to the boat's record.
- Crew licenses — Captain's licenses and ABYC certsStore every license, certificate, and credential for each crew member in their Crew Book entry.
- Guest cards — preferences, allergies, emergency contactKeep a card for every guest: food and drink preferences, allergies, preferred bunk, and who to call if something goes wrong.
- A guest messaging the crewHow a guest aboard asks the crew for something, and where it lands.
- Bring a guest aboardHow to add someone who is aboard but is not crew.
- Invite crew or a co-ownerAdd people who help run the boat.
- The Member Users screen — invites, roles, expiryMember Users lists every active and pending membership for the active vessel, grouped by role. Pending invites show their 6-digit code so the inviter can read it out.
- Permissions — who can see what, by roleWho sees what, by role — and the two rules that decide it.
- Reassign a task to someone elseTap-and-hold a task to reassign it across roles. By default the owner, a manager holding Owner authority and a captain whose Captain may edit is on; the owner can give the key to someone else, crew included. Vendors and guests never.
- Owner / Manager / Captain / Crew / Vendor / Guest — what can each do?Which actions are gated by role.
- Ship's Directory — every contact, one doorOne master directory for crew, vendors, guests, and float-plan contacts — filter by role instead of hunting through separate screens.
- When your access to a boat ends — and asking for more timeAccess given for set dates stops at the end date, and someone senior can take you off a boat. Either way the boat's records come off your phone; if your dates ran out, you can ask for more time.
- Doors and keys — who can open whatEvery part of a boat's record sits behind a door. Each person holds the keys their role gives, plus any the owner — or a manager, for keys they hold — adds or takes away.
Telemetry & gauges
- Log a fuel fill — gallons, marina, receiptRecord a fuel fill so theONE can compute gallons-per-hour against engine hours.
- Connect a Wi-Fi gateway for live telemetryWhat a gateway is, what to buy, and how its live values reach the tiles.
- Depth & soundings — the depth chip on Mission ControlRead the depth tile, keep soundings honest, and know the depth rules the route planner uses.
- Log engine and generator hoursHow hour tracking works, where to type it, how it drives maintenance.
- Log a fuel stopRecord a fill-up so consumption math works.
- Hearing your gauges — readings spoken aloudGet the depth, the hour meter or the coolant temperature read out loud, so you can keep your eyes up and your hands on the wheel.
- Make a Logbook entryCaptain's log — formal record of a watch, a passage, or a noteworthy event.
- Enter telemetry by hand — one-off readingsHow to log fuel level, tank levels, battery state, wind, engine temps manually.
- Silence an active alarm temporarilyDismiss an alert banner on Mission Control and re-tune the alert that raised it.
- Telemetry history — graph + readingsEvery Mission Control tile drills into a per-metric history page. The page is calm by default: entry point on top, graph and history collapsible.
- Why did this alert fire? — the causal traceOpen the causal trace on a record to see the links the engine has drawn between it and everything else.
Mission Control
- Add a NMEA gatewayGet a Wi-Fi gateway onto theONE so the telemetry tiles fill themselves.
- Add a maintenance taskCreate a new task — recurring or one-off — on a system.
- Add a tender, dinghy, or toyRegister a tender, jetski, e-foil, paddleboard, or other small craft against your vessel.
- Rode and scope — pick a length you will trustUnderstand scope, and set the drift radius the anchor watch alarms on.
- Battery voltage on the telemetry stripTrack battery bank voltage — live from a monitor on the bus, or entered by hand.
- Light, dark, or follow iOSThree appearance modes, two controls: the header sun/moon flips Light and Dark, Preferences is where you hand the choice back to iOS.
- Engine fluids — oil pressure and coolant tempTrack oil pressure and coolant temperature — live from the engine ECU, or entered by hand.
- Service due soon — what the countdown meansUnderstand how theONE counts down to a service item's next due point.
Tips & shortcuts
- Add or edit a vessel systemEngine, watermaker, windlass, AC unit — how to add one.
- Add a stowage locationCreate a named stowage location — locker, drawer, lazarette — that other items can be assigned to.
- Light, dark, and the sun-moon buttonWhere the sun/moon button lives, what it does, and why System is in Preferences instead.
- Boat IT — WiFi passwords and account loginsStore the boat's WiFi passwords, Starlink credentials, marina account logins, and other IT secrets in one private vault.
- Calendar conflicts — when two things overlapUnderstand how theONE flags overlapping events on the boat calendar and how to resolve them.
- The Calendar — what's there and what isn'ttheONE uses your Apple Calendar — it doesn't have its own.
- Claim packet — one PDF about one incident, for an insurer, a surveyor or a yardTurn one incident, observation or work order into one PDF built from what is already in theONE — pick who it is for, trim the sections, set the three privacy switches, generate, share.
- Running-low forecasts — from your real usageSee roughly when a supply runs out, computed from how fast you've actually been using it.
- Ask — how it answers, and where the answer comes fromAsk a question in your own words and get an answer on this device. Nothing is sent anywhere.
- Where your data lives — and the one thing that does leaveUntil you sign in, everything you enter stays on this device. Your position goes out to fetch weather, tides and charts, and to Apple to name the place you are. Here is exactly what leaves, and when.
- Delete vs. archive — what happensWhat delete actually does, what archive does instead, and the sixty minutes you have to change your mind.
- Document Vault — manuals, warranties, registrationsWhere to put PDF manuals and how to scan paper documents.
- Insurance export — your maintenance record as one PDF for your underwriterGenerate one PDF of the vessel's maintenance record for your underwriter at renewal.
- Jot — capture it in ten seconds, file it laterGet a thought out of your head and into the boat's record before it evaporates, without filling in a form.
- The Jot Inbox — turn a jot into a real recordWork through what you captured and file each one where it belongs — observation, issue, maintenance, note and more.
- Let the boat log itself — automationsHave the track start when you step aboard, the leg close when you reach the marina, and the morning status read itself — with nothing said and nothing tapped.
- Notepad — quick thoughts, kept in contextCapture a quick note and understand how Notepad keeps it attached to the right boat, trip, leg, or vendor — and who can see it.
- Where notes and logs live nowNotes, Notepad and the Jot inbox are one door. Deck Logbook, Telemetry History and Anchorage History are one door. Here is what moved and what did not.
- Pinned weather locationsPin the spots you cruise to — home port, favorite anchorages, destinations — to see weather for each at a glance.
- Reorder list — low spares, emailed to the chandleryTurn what is on the shopping list, low, or running low into one emailed parts list with part numbers, and mark it ordered in the same tap.
- Scan a paper documenttheONE uses iOS's built-in document scanner (the same one Notes uses). You'll see a 'Scan' tile inside the attachment picker — but only on screens that accept paperwork.
- Find anything with the search boxOne box, behind the magnifier in the top right of every screen — a screen, a record, or a question. You never have to learn the menu.
- Your boat and the cloud — sending her up, bringing her down, and checkingSigning in does not send your boat by itself. This is the one-time send, the pull onto a second device, and the check that tells you in numbers whether her record is whole.
- Still stuck — send us feedbackHow to reach the people who built theONE.
- Spares list — track what you have on boardKeep a running list of spare parts, filters, and consumables stowed on the boat so you know what you have before you order.
- Suggested spares — seeded from your enginesLoad a sensible spares list for your exact engines, generators, and watermaker in a few taps instead of typing it all in.
- Stowage — where everything livesInventory your boat by location.
- QR labels for lockers — print one, scan it laterGive each stowage locker a printed QR label, then point a camera at it to jump straight to that locker in the app.
- The Sync row in the menu (☰)If your local changes haven't yet reached the cloud, the menu (☰) surfaces a Sync row so you can see the state at a glance. Here's what it means and what it doesn't.
- The one question we asked you — usage and crash reportstheONE asked once whether you would share anonymous usage and crash reports. Here is exactly what each one does, what it can never see, and how to change your mind.
- Tenders & Toys — your toy rosterWhere dinghies, jet skis, paddleboards, and other toys live in the app, and how they stay separate from main-vessel systems.
- Undo — what it catches and for how longMost deletes can be taken back for 60 minutes, and deleting a second thing no longer costs you the first.
- Vessel briefing — the PDF for a relief captain or surveyorGenerate the captain's operational briefing as a PDF — safety gear, systems, open observations, service due, recent trips — for a relief captain, a surveyor, or your own records.
- Vessel Handbook — one PDF about the boat, for whoever needs itBuild one PDF about the boat from what is already in theONE — for a surveyor, a buyer, new crew, or all of it — and hand it over from the share sheet.
- Manuals — the whole book in your pocket, always editableKeep every owner's, service and installation manual as a living PDF you can add pages to, reorder, search inside, and pin to the system it belongs to.
Safety & emergency
- Anchorage history — every place you've dropped the hookUse your automatic list of past anchorages to review where you've been, read the notes you left, and plan a confident return.
- The Emergency drawer — what's there and when to use itMayday assist, nearest harbors, USCG districts.
- Send a float planGet your plan to the right people, before you leave the dock or while you are underway.
- Float plan contacts — add, edit, channelsThe Float Plan address book lives once-per-vessel. Each contact has a name, phone, email, channel preference, and an optional note.
- Float plan overdue — what happensUnderstand the overdue nudge and how to close a filed plan when you're home safe.
- Mayday and emergency referenceFind the Mayday assist, the marine distress reference, and the float plan share.
- MOB (Man Overboard) — what happens when you tap itThe pin, the history, and why this is on every screen.
- Privacy lock — biometric lock and emergency screenLock theONE behind Face ID or Touch ID, and see what the locked screen still offers without unlocking.
- Safety Equipment — the gear, where it is, and when it lapsesKeep the boat's safety gear and its dates on file so nothing expires unnoticed.
Alerts
- Anomaly watch — flags when live readings driftSet the watch rules and trip-points that check the readings streaming in from a connected NMEA gateway.
- Expiry reminders — 60, 30, 7 days, and day-ofGet a morning notification before registrations, insurance, and crew licenses lapse — even if you haven't opened the app in weeks.
- Engine temperature alerts — overheat warningsSet the temperature where theONE warns you the engine or generator is running hot, before it becomes a haul-out.
- Hour meter alerts — service intervals by engine hoursGet warned when an engine or generator approaches the next scheduled service hour.
- Tank alerts — get pinged before you run dry or fill upSet thresholds on fuel, water, and holding tanks so theONE warns you before a problem becomes urgent.
Getting started
- theONE on Apple Watch — what's on your wristInstall the watch app, know what it can do without the phone, and pick the complications worth a face slot.
- First day — getting your vessel into theONEWalk through the boat survey and Vessel Setup so the app understands your boat.
- Your first fifteen minutesThree things make a new boat yours; the search box, the Chart tab and a long-press answer everything else. Fifteen minutes, start to comfortable.
- theONE on iPad — what works todayRun theONE on an iPad now, and know honestly which parts are still built for a phone.
- Language — theONE is in EnglishtheONE's screens, alerts and help are in English, and it is not offered in another language.
- What Mission Control is showing youDecode every band, chip, and tile on the dashboard.
- Welcome — the 5 things to know firstIf you only read one article, read this one.
- Search anywhere — the queries that workGet more out of the search box by understanding what it indexes and how to phrase queries.
- Settings — where every preference livesFind the Settings screen and the high-level map of which preference lives where.
- theONE on iPad — what is different, and what is notSame app, same data, one screen bigger. Here is what changes on an iPad, and the one thing an iPad genuinely cannot do that an iPhone can.
- Mission Control TODAY chip — your phase-aware checklist for right nowUnderstand the Mission Control TODAY chip — what it shows, how it's different from Mission Control, and how the Morning Brief works.
- What is theONE? — for brand new ownersPlain-language explanation of what theONE does, for someone who just installed it and hasn't started vessel setup.
- What search actually looks atSearch reads from one index of the boat's records — trips and legs, observations and issues, work orders, playbooks, people, stowage and supplies, documents and manuals, and more.
- Where each feature lives in the tab barFive tabs at the bottom, one menu (☰) top-left. Here's exactly which door opens which feature so you don't have to hunt.
- The screen before the app — what you agreed toThe first thing theONE shows is the Privacy Policy, the Terms and one question about your age. Here is what that screen is, what gets recorded, and where to find it again.
Chart & navigation
- Tracks that start by themselves — the cruising trackWhen you leave the dock without a leg, the app records a cruising track on its own: three minutes above two knots starts it, thirty minutes stopped saves it. Record tracks by itself is on unless you turn it off.
- Track line — the path you are recording on the chartWhat the line behind your boat is, the difference between recording it and showing it, and how it can start without you touching anything.
- Chart — what the chart and map show youRead the chart view — your vessel's position, course over ground, breadcrumb track, and the chart layers underneath.
- Chart layers — GPS, channel markers, weather radar, buoys, track lineToggle the five chart overlays — GPS position, channel markers (AtoN buoys and beacons from NOAA), NEXRAD weather radar, NOAA weather buoys and the track line — and start a cruising track from the Track line row.
- Follow a route — go-from-here and the next waypointFollow a saved route: the chart shows cross-track error and distance to go.
- Reroute mid-trip — change the destination from the chartUnderway and the plan changed? Tap Reroute on the chart, tap the new destination, say why with one chip, Save.
- Open a route someone sent youAdd a route that arrived by AirDrop, message, email or file — including a GPX from a plotter or another app.
- Range ring — how far the fuel aboard takes youRead the fuel range ring on the chart: what the two circles mean, where the number comes from, and why the ring may not be there.
- Route distance and ETA on a planned routeRead the total distance for a route you've built.
- Route Editor — draw, edit, and reorder waypointsPlot a route on the chart by tapping waypoints, then move, insert, delete, or reorder them.
- Saved routes — find, rename, reverse, deleteBrowse, rename, reverse, or delete a route you've already built.
- Share a route with someoneSend a route you've built to another captain, or to a chartplotter or another app.
- Wind, waves, and the forecast — reading the outlookRead the wind direction, wind speed, wave height and sea state, and forecast periods for any pinned location.
- Weather details — wind, gusts, forecast, marine outlookRead the full weather sheet — current conditions, the outlook periods, marine alerts, and the source line that names which feed produced them.
- Weather radar on the chart — NEXRAD overlayTurn on the NEXRAD weather radar overlay on the chart so you can see precipitation moving across your route.
- Where am I? — find your boat on the chartRecenter the chart on your vessel and confirm your GPS position is live.
Vessel setup
- Backup & Restore — your whole boat in one fileWrite everything theONE knows about your boat to one file you keep, and bring it all back after a lost phone or a fresh install.
- Export my data — a readable copy (and the better option)Two ways to get your boat out of the phone, and which one you actually want.
- Vessel card — hull number, air draft and papers at a glanceOpen the one screen that answers a dockmaster, a bridge tender or a boarding officer: hull number, air draft, MMSI, call sign, documentation number, and which papers are about to expire.
- Edit vessel specs — engines, tanks, configurationChange the vessel's underlying setup — engine count and model, generator config, tank sizes — after first-day setup.
- Vessel transfer — handing the boat to a new ownerExport the vessel's history, vendors, playbooks and documents into a file the next owner imports. Owner-only, one-way, and nothing on your side changes.
Observations & issues
- Patterns on this vessel — recurring causes the app spottedRead the recurring cause-and-effect shapes on your vessel so you can fix the root, not just the latest symptom.
- Comm log — post a quick note on a vendor, issue, or incidentDrop a short, dated, author-tagged note onto a vendor, issue, or incident without opening a full edit form.
- Dry window — outdoor work matched to the forecastRead the Dry window card in the Foresight™ inbox: what counts as a dry day, which jobs it lists, and where the forecast comes from.
- Email a service advisor or vendorSend the photos and notes to a vendor contact who already has an email on file.
- Issue lifecycle — open, in-progress, resolvedAn Issue moves through three states: open → in progress → resolved. Severity is low / medium / high / critical. There is no 'Closed' state — resolved is the terminal state.
- Log an observationCapture what you saw, where, and how urgent.
- Observation vs. Issue — what's the difference?Same tab, two intents. Use the right one.
- Schedule service from an observationTake an observation and put it on the calendar.
Maintenance & service
- Checklist items and work orders — linked both waysA checklist item can cover a recurring work order (its tick is the order's state, read live) or raise a new one — and ticking an item never silently closes a work order.
- Hours Monitor — track engine and generator runtimeKeep accurate run-hour counts so service intervals fire on time and absolute hours never drift from the engine display.
- Log a completed serviceRecord an oil change, filter swap, zinc, or any service event.
- How maintenance scheduling worksService intervals, the Maintenance list, and the Maintenance Log.
- Work List — everything the boat owes, on one screenSee what needs doing without opening four different screens.
- Completed — what has been done, rolling twelve monthsThe reference page behind the Work List: every service, resolved repair and safety test, with who, hours and cost, for the last twelve months from each item's own date.
- Work orders, jobs, and tasks — what theONE calls themMatch the words a captain or vendor uses to the words in theONE.
- Close out a work order — what the vendor foundCapture what the vendor actually found and whether the work was to satisfaction — the two things a surveyor reads three years later.
- Build a work order from observationsWalk the boat, log what you find, then fold those observations into one work order a yard can act on.
- Send a work order to a vendor — notes and photos attachedSend the whole job to your yard: vessel dimensions, the task, your notes, every linked observation and its photos.
Playbooks
- Edit a playbook — who can change one, and howCustomise any playbook for your boat — including the eight theONE ships with — if you hold the key to write playbooks.
- Run a playbook end-to-endTips for actually getting through one.
- What is a Playbook?Checklists you run on the boat, with every run kept in its history.
Vendors
- My Sessions — your record of every visitFor vendors: review your own work sessions — clock-ins, clock-outs, notes, and sign-off details — across the jobs you service.
- Give a vendor the history they needSend a vendor the last service on a system, who did it, and what is still open — without the cost.
- Find a vendor fast — search companies and their peopleType a few letters and find the right vendor by company name, a person's name, or your own notes.
- Vendor sign-off — vendor came aboard, did the workSign off the one work order a vendor was assigned, once their session is on record.
Cloud & sync
- Sync Health — what got dropped, and what got stuckFind entries the cloud sent that this device could not read, and changes that could not be sent and were set aside, and do something about both.
- Sync notices — when two phones disagreedSee every time two phones changed the same cost, expiry, service interval or the boat's own numbers while apart — which figure stands, which was overwritten, and who wrote each.