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MARY SHELLEY

Pleasure craft · United States · AIS Class B

IMONo IMOMMSI338547748Last AIS position Oct 6, 2026, 15:23 UTC

In short

MARY SHELLEY (Pleasure craft, United States flag) was last seen on AIS on , not moving, near Tacoma (North Pacific Ocean).

Vessel type
Pleasure craft
Year built
—
Gross tonnage
—
Size (length × beam)
—
Registered owner
—

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Last reported position

received
Position
47.399° N, 122.33° W
Area
North Pacific Ocean
Speed
0 kn
Course
143°
Heading
295°
47.399° N, 122.33° W
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Voydar detected no port call in the last 30 days.

Port calls are detected by Voydar from AIS (at least 30 minutes slow inside a harbour area); see Port calls below.

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Identity & particulars

Name
MARY SHELLEY
MMSIWhat is an MMSI?
338547748
Vessel type
Pleasure craft
Length overall
—
Beam
—
Year built
—

A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.

Ownership & management

Each line shows where the fact comes from. Links backed by an identifier point to the company page.

No owner, operator or manager is recorded for this vessel yet.

Behaviour at sea Voydar-derived

Patterns Voydar derived from this ship's AIS broadcasts. They are inferences, not reports: each one shows how it was computed and how confident we are, and none of them says why a ship behaved this way.

WhenWhat we observedConfidence
Sep 23, 2026, 16:43 UTC
Two positions

This MMSI was reported in two places 12 km apart at the same time: two transmitters may share the number, or the positions were disturbed.

Method seadar.behaviour.mmsi_conflict v1

Medium (60%)

Source: AISstream.io global terrestrial AIS. AIS data: AISstream.io. Licence: none published.

Derived from AIS positions of feeds whose terms allow display on Voydar. Coverage is terrestrial: gaps are reported only where our receivers kept hearing other ships. Detections below medium confidence are not shown.

How these are computed →

Frequently asked questions

Where is MARY SHELLEY now?
MARY SHELLEY (Pleasure craft, United States flag) was last seen on AIS on Oct 6, 2026, 15:23 UTC, not moving, near Tacoma (North Pacific Ocean).
What kind of ship is MARY SHELLEY?
MARY SHELLEY is a pleasure craft sailing under the flag of United States.
What sanctions and inspection records does Voydar hold for MARY SHELLEY?
Voydar has no matched sanctions record displayed for MARY SHELLEY from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for MARY SHELLEY. Missing records do not establish whether the ship has been detained.

Use this data

This page is also available as JSON, free, with the source and licence of every section. Sections whose sources do not permit redistribution are listed as withheld.

GET /api/v1/vessels/mmsi-338547748
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