Official ENC and RNC offline
Region-cached, weekly cadence, with the epoch recorded.
Industries · Movement · Whitepaper
The chart is the operation.
Commercial maritime operations run on chart data, traffic separation, tidal windows and crew welfare obligations. NavTrax carries twenty-five nautical layers and a comms fabric that assumes the vessel spends most of its life outside cellular coverage.
01 / Problem statement
What actually goes wrong.
A commercial vessel presents a different problem from a cruising yacht in three ways.
Compliance is continuous. Traffic separation schemes, EEZ boundaries, marine protected areas and port state requirements are ongoing obligations, not passage-planning trivia. A track that clips a TSS is a reportable event.
The crew is a monitored population. Hours of rest, welfare and medical capability aboard are regulated. A crew member's incapacity is a scheduling problem, a medical problem and a compliance problem simultaneously.
Connectivity is a budget line. Satellite bandwidth aboard is metered and contended. Software that assumes it can sync whenever it likes is software that generates an invoice.
02 / Mechanism
How NavTrax addresses each one.
Each entry names the mechanism rather than the benefit, so it can be evaluated rather than believed.
- Official chart carriage
- NOAA ENC in S-57 and RNC raster, CHS for Canadian waters, UKHO Admiralty and Inland ENC for European waterways, each updated weekly and cached by region.
- Traffic and boundary compliance
- IMO traffic separation schemes, EEZ limits from VLIZ and marine protected areas from WDPA, drawn on the working chart rather than a separate compliance tool.
- Tidal window computation
- Live NOAA tide and tidal-current station data, so a berth window or a bar crossing is computed rather than estimated.
- Byte-aware satellite sync
- Over a metered link the fabric sends a compacted digest of safety-relevant state. Bulk sync waits for port Wi-Fi. This is a design constraint, not a setting.
- Crew welfare monitoring
- Wearable fusion with personal baselines and a privacy scope the crew member controls, surfaced to the master at the level agreed.
- Ice and weather routing
- NOAA ice charts for high latitudes, Copernicus Marine for currents and wave height, GRIB wind on the model cycle.
03 / Capabilities
In the field, this is what you have.
TSS and EEZ on the working chart
Compliance visible where the decision is made.
AIS traffic
Live vessel positions alongside the separation schemes.
Tidal windows computed
From station data, for berths and bar crossings.
Metered-link discipline
Compacted digests over satellite; bulk sync in port.
Crew welfare with consent
Baseline-relative monitoring, privacy-scoped, auditable.
04 / Reference
| Class | Sources | Cadence |
|---|---|---|
| Official charts | NOAA ENC and RNC, CHS, UKHO Admiralty, Inland ENC | Weekly |
| Tides and currents | NOAA tide stations, NOAA tidal currents | Real-time |
| Ocean state | Copernicus currents, waves, SST, salinity | Daily |
| Wind | GRIB from NOAA models | 6-hourly |
| Traffic | MarineTraffic AIS, IMO TSS | Real-time / annual |
| Ice | NOAA ice charts | Daily |
| Boundaries | VLIZ EEZ, WDPA marine protected areas | Annual |
| Infrastructure | Ports, marinas, seamarks, submarine cables, offshore wind | Continuous / annual |
05 / Process
Traced, node by node.
Compliance on the working chart.
All nautical layers are Pro. Fleet administration, audit and SSO are Enterprise.