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A towboat pushing a long tow of loaded barges along a wide river
X3 TowingSubchapter M & TSMS ControlStep 02 · Vessels

Subchapter M Without the Spreadsheet.Every Window. Every Vessel.

Towing vessels run on certificates, surveys and audits that each keep their own clock. X3 Towing puts every Certificate of Inspection, TSMS audit window, drydock exam and drill on one board, so the next deadline finds you before the Coast Guard does.

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  • COI dates
  • TSMS audits
  • Drydock & hull exams
  • Drills
  • Findings
What X3 Towing keeps on every record
  • 46 CFR 136Certification
  • 46 CFR 137Vessel compliance
  • 46 CFR 138Towing Safety Management System
  • 46 CFR 138.310Internal audits
  • 46 CFR 138.315External audits
  • 46 CFR 140Operations
  • 46 CFR 141Lifesaving
  • 46 CFR 142Fire protection
  • 46 CFR 143Machinery & electrical
  • 46 CFR 144Construction & arrangement
The Exposure

Five Clocks Per Boat. One Missed Window Grounds It.

The COI runs five years. The internal TSMS audit has to land within three months of the certificate anniversary. The mid-period external audit must happen between month 27 and month 33. Every vessel has to see an external auditor sometime in the five-year cycle. Drydock and hull exams run on their own schedule. Most fleets track this in a spreadsheet one person understands.

The window you did not see is the one that costs you. X3 puts it on the clock.

A towboat and barges passing under a steel truss bridge
A tugboat underway with spray at the bow
X3 Intelligence

One Fleet In. Every Deadline Out.

Add your boats once. X3 Towing works out the windows the rules set and shows the next one for each vessel and for the company.

COI cycle

Issue and expiry for every Certificate of Inspection, with a 90-day early warning.

TSMS internal audit window

The three-month window around each certificate anniversary, worked out for you (46 CFR 138.310).

Mid-period external audit

The month 27 to month 33 window, shown as a countdown (46 CFR 138.315(a)(2)).

Vessel audit coverage

Which boats have not yet had an external audit in this certificate cycle (46 CFR 138.315(b)(3)).

Drydock & internal structure

Last and next exams per vessel, so no hull exam slips past its date.

Findings to close

Survey and audit findings with one owner, one due date and proof of the fix.

Stop chasing dates. Start seeing them coming.

Working dashboard

A Fleet Board That Shows the Next Window First.

A sample fleet the way X3 Towing shows it: each boat, its COI, its audit windows and anything overdue at the top.

A deckhand in a hard hat and life vest working on a barge deck beside the pier
MV Delta Star · Towing vesselSample
Illustrative · your records fill the same view
Day 141
Of the 5-year COI
38 days
To internal audit window
Month 29
Mid-period audit window open
1
Finding past due
Next on this vessel
  • Internal TSMS audit window opens in 38 days (46 CFR 138.310)
  • Mid-period external management audit window is open, months 27-33 (46 CFR 138.315(a)(2))
  • Drydock exam due in 7 months
  • Close the open survey finding with photo proof

Sample screen. No real records or determinations are shown. Your company starts with an empty workspace.

12 Working Screens in X3 Towing

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How the work flows

Add. Load. See. Log. Run. Close.

Six moves, in the order the work really happens.

  1. 01

    Add the fleet

    Each towing vessel with its compliance option and COI dates.

  2. 02

    Load the TSMS

    Certificate issue date and audit history.

  3. 03

    See the windows

    Internal, mid-period and vessel audits worked out.

  4. 04

    Log surveys

    Drydock, hull and annual surveys with dates.

  5. 05

    Run the drills

    Drills logged by vessel with the crew who took part.

  6. 06

    Close findings

    Each finding tracked to a verified fix.

Every item gets an owner and a date. Every date gets proof.

A tugboat underway with spray at the bow
Where X3 Towing Fits

One Maritime Loop. X3 Towing Owns the “Vessels” Step.

Nine products, six steps, one job each. Use X3 Towing on its own, or add the product on either side of it when that job matters.

  1. 01

    People

    Is every person fit, tested and qualified for the job?X3 CrewX3 Marine Testing
  2. 02

    Vessels

    Is every vessel in date with its certificate, surveys and drills?X3 TowingX3 Vessel
  3. 03

    Work

    Is the work in the yard and on the terminal under control?X3 ShipyardX3 Terminals
  4. 04

    Protect

    Is the port protected from threats and spills?X3 Port SecurityX3 Spill Response
  5. 05

    Respond

    When something happens, is it reported on time and learned from?X3 Casualty
  6. 06

    Command

    What needs a leader today?AI Safety Director
Where X3 Towing hands work off
Your Part

X3 Keeps the Calendar. Your Surveyors and Auditors Make the Calls.

X3 Towing organizes dates, evidence and findings. Determinations stay with the Coast Guard, your Third-Party Organization and your managing operator.

A towboat pushing a long tow of loaded barges along a wide river

TPO decides

Surveys and external audits are performed by your Third-Party Organization.

Coast Guard certifies

Only the Coast Guard issues or endorses a COI.

You own the TSMS

Your safety management system stays your document.

Proof stays attached

Every date can carry the record that proves it.

A towboat moving barges on a calm river at dusk
The Outcome

No Boat Tied Up for Paperwork.

An operation that runs X3 Towing sees every deadline early and proves every one.

See it early.

Every window shows up months before it closes.

Fix it once.

Findings close with proof, not a note.

Prove it fast.

Audit day is a print button, not a scramble.

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Access

Start Empty. Bring Your Own Records In.

Create your account and your company starts with a clean, empty workspace. Add X3 Towing or all nine products. One sign-in opens every product you pay for.

One product · from $195 a month
X3 Towing

$195 a month covers your first 5 vessels. Then $39 a month for each vessel after that, less as you grow. Two months free when you pay for a year. Cancel any time.

  • Every towing vessel, certificate, survey and audit window on one clock.
  • Works on its own. No other X3 product required
  • Your company, vessels, sites and people, saved to your account
  • Ask X3 for the regulation behind any question
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Best value · 30% off
All 9 Maritime Products

X3 Towing and the other eight, one sign-in, one bill, 30% off what the nine cost on their own.

  • Crew, vessels, yards, terminals, security, spill and casualty
  • Records flow from one product to the next
  • The AI Safety Director shows leaders what needs attention
  • Same per-vessel and per-worker counts, one price
Choose All 9
$195a month minimum, covering your first 5 vessels.
$39a month per vessel up to 25, then 20% less up to 100 and 40% less after that.
2 monthsfree when you pay for a year.

$468 a month for X3 Towing

$4,680 a year (2 months free)

Prices in US dollars. Subscriptions renew each month or year until cancelled. Lab, collection and third-party fees are billed by those providers.

Straight Answers

Questions Operators Ask About X3 Towing.

Have one that is not here? Ask X3, or write to us and a person will answer.

A towboat and barges passing under a steel truss bridge
Does X3 Towing work for both the TSMS option and the Coast Guard option?
Yes. Each vessel carries its compliance option. TSMS audit windows show only for TSMS vessels.
How are audit windows worked out?
From your TSMS certificate issue date, using 46 CFR 138.310 for the internal audit and 138.315 for external audits. You can always override a date.
Can my TPO see the records?
You can export a full evidence package for any vessel or the whole company.
Do you replace our TSMS?
No. X3 Towing tracks what your TSMS requires and proves it was done.
How is it priced?
Per towing vessel per month, with a monthly minimum that covers your first five boats.
Every towing vessel, certificate, survey and audit window on one clock.

No Boat Tied Up for Paperwork.

Create your account, open X3 Towing and add your first vessel in under five minutes.

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